S3900-Serie-Switches von FS

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S3900-Serie-Switches von FS

Überblick

Die Switches der S3900-Serie umfassen drei Modelle: S3900-24T4S, S3900-24F4S, S3900-48T4S, vollständig managed stackable Gigabit-Switches, die mit Broadcom-Chips ausgestattet sind, 10G SFP+ Uplinks unterstützen und für SMB-, Campus- und Unternehmensnetzwerke ausgelegt sind.

S3900-24T4S S3900-24F4S S3900-48T4S

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Produktrichtlinie : Produktrichtlinie

Case Study

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FAQ

 Basisinformationen: Übersicht; Testbericht; EOM-, EOFS- und EOS-Termine; Unterstützte Module und Kabel

 Konfigurationsleitfaden: Switch-Stacking; Voice-VLAN; STP-Konfiguration; Schnittstellenbasiertes VLAN; IP-Subnet-basiertes VLAN; Protokoll-basiertes VLAN; Traffic-Segmentierung; Anleitung zum Login; Port-Mirroring; MAC-Adresse-basiertes VLAN; LACP; SNMP; DHCP-Snooping

Schnittstellenbasierte VLAN-Konfiguration auf Switches der S3900-Serie von FS

Veröffentlicht 2019-09-27 00:00:00 By FS.COM

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VLAN (Virtual Local Area Network) ist eine Technologie, die ein physisches LAN in mehrere Broadcast-Domains unterteilt, um die LAN-Sicherheit zu erhöhen und die Netzwerkverwaltung zu vereinfachen. Die Hosts im VLAN können miteinander kommunizieren, aber andere VLANs können nicht untereinander kommunizieren. Folglich sind die Broadcast-Pakete auf ein einziges VLAN beschränkt.

VLAN kann in schnittstellenbasiertes VLAN, MAC-Adressen-basiertes VLAN, IP-Subnetz-basiertes VLAN, Protokoll-basiertes VLAN und Richtlinien-basiertes VLAN unterteilt werden. Dieser Artikel konzentriert sich auf die schnittstellenbasierte VLAN-Konfiguration auf Switches der S3900-Serie von FS, die für das Campusnetzwerk, SMB und Heimnetzwerk ausgelegt sind.

Anwendung von schnittstellenbasiertem VLAN auf Switches der S3900-Serie von FS

Die folgende Abbildung zeigt eine typische VLAN-Netzwerkanwendung eines verwalteten S3900-24F4S-Switches. Im ersten Stock gibt es zwei Abteilungen - IT und Vertrieb. Das Unternehmen möchte, dass verschiedene Abteilungen nicht miteinander kommunizieren können, nur die Hosts in derselben Abteilung können aufeinander zugreifen. Daher werden auf dem S3900-24F4S-Switch unterschiedliche VLANs konfiguriert, um die beiden Abteilungen zu isolieren.

1. Real Case.jpg

Leitfaden zum Hardware-Anschluss für die schnittstellenbasierte VLAN-Konfiguration auf Switches der S3900-Serie

Basierend auf dem Typ des verbundenen Geräts und der Art und Weise, wie die Schnittstelle Frames verarbeitet, können die Switch-Ports im schnittstellenbasierten VLAN in die folgenden Typen unterteilt werden:

Access-Port

Der Access-Port kann nur unmarkierte Frames empfangen und senden, da er VLAN-Tags nicht identifizieren kann. Er kann jedoch unmarkierten Frames ein eindeutiges VLAN-Tag hinzufügen. Normalerweise stellt die Zugriffsschnittstelle eine Verbindung zu einem Benutzerendgerät wie dem Benutzer-Host oder -Server her.

2. Access Interface Application.jpg

Trunk-Port

Ein Trunk-Port kann mehrere VLANs-Frames mit Tags durchlassen, aber er kann nur die Frames eines VLANs ohne Tags aus der Trunk-Schnittstelle heraussenden (d.h.: die Tags entfernen). Daher wird über die Trunk-Schnittstelle oft ein Switch, Router, AP oder Sprachterminal angeschlossen, der markierte und nicht markierte Frames gleichzeitig durchlässt.

3. Trunk Interface Application.jpg

Hybrid-Port

Der Hybrid-Port ermöglicht den Durchgang von markierten Frames aus mehreren VLANs. Von einer Hybridschnittstelle gesendete Frames werden je nach VLAN-Konfiguration tagged oder untagged. Der Hybrid-Port kann außerdem eine Verbindung mit Endgeräten herstellen, die getaggte und ungetaggte Frames empfangen und senden können.

4. Hybrid Interface Application.jpg

Hinweise:

Hosts im gleichen VLAN können miteinander kommunizieren, während verschiedene VLANs nicht miteinander kommunizieren können (der Trunk- oder Hybrid-Port für den Switch oder Router muss konfiguriert werden).
In jedem Port gibt es ein Standard-VLAN. Im Allgemeinen ist das Standard-VLAN aller Ports VLAN 1, aber Benutzer können es entsprechend ihren Anforderungen konfigurieren.
Der Trunk- und Hybrid-Port kann in vielen Anwendungsszenarien universell verwendet werden, aber in einigen Szenarien müssen Sie die Hybrid-Ports verwenden. Wenn Sie beispielsweise einen Port verwenden möchten, um ein Netzwerksegment eines anderen VLANs zu verbinden, müssen Sie die Hybridschnittstelle verwenden, da die Schnittstelle Tags zu mehreren nicht markierten Paketen hinzufügen muss.
Da ein Access-Port nur ein VLAN verbinden kann, ist das Standard-VLAN das VLAN, zu dem er gehört, und kann nicht konfiguriert werden. Im Umkehrschluss können Sie ein Standard-VLAN für den Trunk und den Hybrid-Port konfigurieren, da diese mehrere VLANs miteinander verbinden können.
Die Konfiguration erfolgt auf der Grundlage der drei oben angeführten Bilder.

Roadmap zur schnittstellenbasierten VLAN-Konfiguration mit Switches der S3900-Serie

Die schnittstellenbasierte VLAN-Konfiguration von Switches der S3900-Serie kann über CLI und Web-GUI-Schnittstelle realisiert werden. Der Konfigurationsprozess eignet sich für alle Modi der Switches der S3900-Serie. Als Beispiel wird hier S3900-24F4S verwendet.

Konfigurations-Roadmap:

Verbinden Sie den PC mit dem Switch und melden Sie sich über den Konsolenport, Telnet oder SSH an der CLI-Schnittstelle an.
Erstellen Sie das VLAN und vergeben Sie eine ID für das VLAN.
Konfigurieren Sie den Switch-Port-Modus und fügen Sie ihn dem entsprechenden VLAN hinzu.

Schnittstellenbasierte VLAN-Konfiguration über CLI auf Switches der S3900-Serie

Konfiguration von VLAN für Access-Interface

1. Loggen Sie sich am Switch S3900-24F4S ein und rufen Sie die CLI-Schnittstelle auf.

2. Erstellen Sie VLAN 10 und VLAN 20 auf dem Switch 1.

S3900-24F4S-1#configure terminal
S3900-24F4S-1(config)#vlan database
S3900-24F4S-1(config-vlan)#vlan 10,20

3. Konfigurieren Sie den 1/1-Port als Access-Schnittstelle und fügen Sie ihn dem VLAN 10 hinzu.

S3900-24F4S-1(config)#interface ethernet 1/1
S3900-24F4S-1(config-if)#switchport mode access
S3900-24F4S-1(config-if)#switchport access vlan 10

4. Konfigurieren Sie den 1/2-Port als Access-Schnittstelle und fügen Sie ihn dem VLAN 20 hinzu.

S3900-24F4S-1(config)#interface ethernet 1/2
S3900-24F4S-1(config-if)#switchport mode access
S3900-24F4S-1(config-if)#switchport access vlan 20

5. Konfigurieren Sie den 1/3-Port als Access-Schnittstelle und fügen Sie ihn dem VLAN 10 hinzu.

S3900-24F4S-1(config)#interface ethernet 1/3
S3900-24F4S-1(config-if)#switchport mode access
S3900-24F4S-1(config-if)#switchport access vlan 10

6. Konfigurieren Sie den 1/4-Port als Access-Schnittstelle und fügen Sie ihn dem VLAN 20 hinzu.

S3900-24F4S-1(config)#interface ethernet 1/4
S3900-24F4S-1(config-if)#switchport mode access
S3900-24F4S-1(config-if)#switchport access vlan 20

7. Nach erfolgreicher Konfiguration befinden sich PC1 und PC3 im selben VLAN 10 und können miteinander kommunizieren. PC2 und PC4 können miteinander und nicht mit PC1 und PC3 kommunizieren.

Konfiguration von VLAN für Trunk-Interface

1. Loggen Sie sich am Switch S3900-24F4S ein und rufen Sie die CLI-Schnittstelle auf.

2. Erstellen Sie VLAN 10 und VLAN 20 auf dem Switch 1.

S3900-24F4S-1#configure terminal
S3900-24F4S-1(config)#vlan database
S3900-24F4S-1(config-vlan)#vlan 10,20

3. Konfigurieren Sie den 1/1-Port als Access-Schnittstelle und fügen Sie ihn dem VLAN 10 hinzu.

S3900-24F4S-1(config)#interface ethernet 1/1
S3900-24F4S-1(config-if)#switchport mode access
S3900-24F4S-1(config-if)#switchport access vlan 10

4. Konfigurieren Sie den 1/2-Port als Access-Schnittstelle und fügen Sie ihn dem VLAN 20 hinzu.

S3900-24F4S-1(config)#interface ethernet 1/2
S3900-24F4S-1(config-if)#switchport mode access
S3900-24F4S-1(config-if)#switchport access vlan 20

5. Konfigurieren Sie den 1/3-Port als Trunk-Schnittstelle und lassen Sie alle VLANs passieren.

S3900-24F4S-1(config)#interface ethernet 1/3
S3900-24F4S-1(config-if)#switchport mode trunk
S3900-24F4S-1(config-if)#switchport trunk allowed vlan all

6. Führen Sie am S3900-24F4S Switch 2 die gleiche Konfiguration wie am Switch 1 oben durch und verbinden Sie dann die beiden Trunk-Ports miteinander.

7. Nach erfolgreicher Konfiguration können PC1 und PC3 miteinander kommunizieren, und PC2 und PC4 können auch miteinander kommunizieren.

Konfiguration von VLAN für Hybrid-Interface

1. Loggen Sie sich am Switch S3900-24F4S ein und rufen Sie die CLI-Schnittstelle auf.

2. Konfigurieren Sie VLAN 10, VLAN 20 und VLAN 30 auf dem Switch 1.

S3900-24F4S-1#configure terminal
S3900-24F4S-1(config)#vlan database
S3900-24F4S-1(config-vlan)#vlan 10,20,30

3. Konfigurieren Sie den 1/1-Port als Hybrid-Schnittstelle, setzen Sie VLAN standardmäßig auf 10 und lassen Sie untagged VLAN 10, 30 passieren.

S3900-24F4S-1(config)#interface ethernet 1/1
S3900-24F4S-1(config-if)#switchport mode hybrid
S3900-24F4S-1(config-if)#switchport hybrid pvid 10
S3900-24F4S-1(config-if)#switchport hybrid allowed vlan add 10,30 untagged

4. Konfigurieren Sie den 1/2-Port als Hybrid-Schnittstelle, setzen Sie VLAN standardmäßig auf 20 und lassen Sie untagged VLAN 20, 30 passieren.

S3900-24F4S-1(config)#interface ethernet 1/2
S3900-24F4S-1(config-if)#switchport mode hybrid
S3900-24F4S-1(config-if)#switchport hybrid pvid 20
S3900-24F4S-1(config-if)#switchport hybrid allowed vlan add 20,30 untagged

5. Konfigurieren Sie den 1/3-Port als Hybrid-Schnittstelle und lassen Sie getaggtes VLAN 10, 20, 30 passieren.

S3900-24F4S-1(config)#interface ethernet 1/3
S3900-24F4S-1(config-if)#switchport mode hybrid
S3900-24F4S-1(config-if)#switchport hybrid allowed vlan add 10,20,30 tagged

6. Erstellen Sie VLAN 10, 20, 30 auf dem Switch 2.

S3900-24F4S-2#configure terminal
S3900-24F4S-2(config)#vlan database
S3900-24F4S-2(config-vlan)#vlan 10,20,30

7. Konfigurieren Sie den 1/1-Port als Hybrid-Schnittstelle, setzen Sie VLAN standardmäßig auf 30 und lassen Sie untagged VLAN 10, 20, 30 passieren.

S3900-24F4S-2(config)#interface ethernet 1/1
S3900-24F4S-2(config-if)#switchport mode hybrid
S3900-24F4S-2(config-if)#switchport hybrid pvid 30
S3900-24F4S-2(config-if)#switchport hybrid allowed vlan add 10,20,30 untagged

8. Konfigurieren Sie den 1/3-Port als Hybrid-Schnittstelle und lassen Sie tagged VLAN 10, 20, 30 passieren.

S3900-24F4S-2(config)#interface ethernet 1/3
S3900-24F4S-2(config-if)#switchport mode hybrid
S3900-24F4S-2(config-if)#switchport hybrid allowed vlan add 10,20,30 tagged

9. Nachdem die Konfiguration erfolgreich abgeschlossen ist, können PC1 und PC2 mit PC3 kommunizieren. PC1 kann nicht mit PC2 kommunizieren.

Schnittstellenbasierte VLAN-Konfiguration über Web-GUI auf Switches der S3900-Serie

1. Öffnen Sie den Browser und geben Sie die Web-GUI über die IP-Adresse 10.32.96.153 ein (die IP-Adresse wird eingestellt, wenn Sie den Web-Service in der CLI-Schnittstelle aktivieren).

2. Melden Sie sich mit dem Standardkonto und -passwort (admin/admin) bei der Web-GUI an.

3. Switch-Verwaltung > VLAN > Static VLAN > VLAN-Management > Neu, neues VLAN auf dem Switch erstellen.

5. Web GUI First Step.png

4. Geben Sie 10, 20, 30 in die "VLAN-ID" ein und klicken Sie der Reihe nach auf "Übernehmen", dann schließen Sie die Seite.

6. Web GUI Second Step.png

5. Konfigurieren Sie den Port 1 als Access-Schnittstelle in der "Member-Einstellung" und fügen Sie ihn zum VLAN 10 hinzu.

Enter 1 in "Port Range", choose "Access" port mode and input 10 on the "VLAN ID", then click "Apply".

7. Web GUI Third Step.png

6. Konfigurieren Sie den Port 2 als Trunk-Schnittstelle und lassen Sie VLAN 10, 20, 30 passieren.

Enter 2 in "Port Range", choose 1Q "Trunk" port mode, input 10, 20, 30 on "VLAN ID" and click "Apply" separately.

8. Web GUI Fourth Step.png

7. Konfigurieren Sie Port 3 als Hybrid-Schnittstelle und lassen Sie getaggtes VLAN 10, 20, 30 passieren.

Enter 3 in "Port Range", choose "Hybrid" mode, input 10, 20, 30 on "VLAN ID" and click "Apply" separately.

9. Web GUI Fifth Step.png

8. Nachdem die Konfiguration abgeschlossen ist, können Sie die Port-Details in den entsprechenden VLANs in der " Member List" einsehen.

10G Netzwerk-Upgrade zwischen zwei Gebäuden

Eine typische 10G-Netzwerklösung für Unternehmen, die für kleine und mittlere Unternehmen geeignet ist.

Veröffentlicht 27. Januar 2021 von FS.COM

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Die stapelbaren Switches der S3900-Serie bieten die Flexibilität, genügend Anschlüsse für Endgeräte hinzuzufügen und unterstützen problemlos zukünftige Netzwerk-Upgrades.

Veröffentlicht 27. Januar 2021 von FS.COM

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Einer unserer Kunden aus der Hotellerie hatte ein solches Problem und suchte eine Lösung für eine zukunftssichere und geräuschlose Netzwerkumgebung.

Veröffentlicht 27. Januar 2021 von FS.COM

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Kostengünstige Access Network Lösung für Büros

In dieser Lösung unterstützt FS seine Kunden beim Aufbau eines robusten Netzwerks mit LACP, so dass nicht nur die Zuverlässigkeit und Verfügbarkeit des gesamten Netzwerks erhöht wird, sondern auch eine höhere Bandbreite durch die aggregierten physikalischen Verbindungen bereitgestellt wird.

Veröffentlicht 27. Januar 2021 von FS.COM

S3900-24T4S S3900-24F4S S3900-48T4S

Alle Details erfahren

Q:
Can we use 10GBASE-T SFP+ Copper RJ-45 30m Transceivers (SFP-10G-T) in the SFP+ ports? By Christian.Schrefl on 16. November 2021

A:
By FS on
Q:
Ich habe den S3900-24T4S und möchte an die SFP+ Ports meinen Server und meine Workstations anbinden. Die NICs in den Rechnern sind Mellanox Connect-X 3 Karten. Welche SFP+ Transceiver könnte ich dafür nutzen? Es ginge sowohl um DAC als auch LWL (welches LWL wäre geeignet? Die längste Strecke ist 10m.) Vielen Dank! By Patrick.Pabst on 13. Februar 2021

A:
# 11552 10G SR kann mit S3900-24T4S kompatibel sein, # 65334 10G SR kann mit Mellanox Connect-X3 kompatibel sein. Das DAC-Kabel ist ein Kupferkabel. Sie können # 69906 wählen (eine Seite Cisco-kompatibel, die andere Seite Mellanox-kompatibel). Das Glasfaserkabel können Sie # 30746 wählen (eine Seite Cisco-kompatibel, die andere Seite Mellanox-kompatibel) By FS on 20. Februar 2021
Q:
Trying to SSH to one of the switches we have (running on the 1.7.1 Release) with a recent Linux OS (Fedora33) or MacOS BigSur i'm not able to connect to the switches: ssh basti@10.60.101.8 Unable to negotiate with 10.60.101.8 port 22: no matching host key type found. Their offer: ssh-dss After allowing the ssh-dss within the ssh config, i then get the next error: ssh basti@10.60.101.8 Unable to negotiate with 10.60.101.8 port 22: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1,diffie-hellman-group14-sha1 None of this key exchanges is "up to date" and working out of the box - you might want to change that in a future software release. Btw. thats the same problem: https://www.fs.com/de/index.php?main_page=customer_qa&qid=67697&type=0 By Sebastian.Schubert on 14. Januar 2021

A:
The current version supports: RSA1, DSA2 , AES-128, AES-192, AES-256, 3DES, des_cbc, Blowfish , MD5, SHA1 The next version will support the latest key exchange algorithms, including: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group- exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256。 By FS on 15. Januar 2021
Q:
Does this switch requiere the "FS" 10GBASE-SR Transceiver or could I use the "generic" ones? By Erik.Liebenau on 20. November 2020

A:
Yes, the generic transceivers can work well on your switch S3900-24T4S. By FS on 23. November 2020
Q:
Does it need any configuration or can it work by plug and play or won’t I be able to use it without any configuration? I don't need advanced features like VLANs by now... By Nils.Scheider on 30. Juli 2020

A:
Hello, if you need to use other functions, you need to configure it. If you are only involved in simple use, there is no problem if you only need to connect the corresponding cable, that is, you can use it after powering on. By FS on 31. Juli 2020
Q:
Are there any 10GBASE-T SFP+ Modules that i can use with S3900-24T4S? By Pascal.Wolz on 27. Februar 2020

A:
Yes, we would recommend the # 66612 SFP-10G-T for you, which is compatible with the S3900-24T4S switch. You could also refer to the “Matching Products” section on the product details page or the S3900 Series Switches Transceiver Modules Guide , which recommends various kinds of transceiver modules and cables that could be used together this switch. By FS on 28. Februar 2020
Q:
Hi, I wonder if the device is shipped with rack mount kit? Thank you! By Malte on 24. Juni 2019

A:
Yes, the S3900-24T4S switch is shipped with rack mount kit, including a grounding cable, a couple of rack mount brackets, two power cords, six screws and four rubber pads. By FS on 25. Juni 2019
Q:
Does this switch support any dynamic routing protocol such as OSPF? Do you plan a switch in the price range of By Adam on 13. Januar 2019

A:
Regarding to #72944 (S3900-24T4S), confirmed that it is the Layer 2 switches that only supports static routing. If the dynamic routing protocol is what you want, our S58 series switches will be suitable, because they can support OSPF, RIP various dynamic routing protocols. Below switch is listed for your reference. S5850-48T4Q 48-Port 10GBase-T L2/L3 Data Center ToR/Leaf Switch with 4 40G QSFP+ Uplinks#69378 By FS on 17. Januar 2019
Q:
kann der S3900-24T4S und der S3900-24F4S mit dem Artikel #74676 oder #11552 über eine Entfernung von 50m gestapelt werden? wieviele LWL Fasern / SFPs sind dazu nötig By xaver on 20. November 2018

A:
der S3900-24T4S und der S3900-24F4S können nicht zusammen gestapelt werden. Der S3900-24T4S kann nur den S3900-24T4S gestapelt werden. Mit freundlichen Grüßen By FS on 21. November 2018
Q:
Can a port group be a downlink port if the group is a trunk? By Chavers on 1. Mai 2022

A:
Yes, if the port group is trunk type, it can also be used as a downlink port. By FS on 2. Mai 2022
Q:
How loud is it? I plan to use it in a homelab office and need to know if I will be able to sit next to it all day. Thanks By Harlan on 14. März 2022

A:
It is fanless, so it's suitable for deployment in work areas or home scenes. By FS on 15. März 2022
Q:
Does this switch requires liscensing like the cisco types? By Aaron Laymon on 14. März 2022

A:
It does not require a license, all the features listed are available directly on the switch. By FS on 14. März 2022
Q:
What are the dimensions? By Kilby on 10. März 2022

A:
Physical dimensions 44 x 440 x 280mm(1.73'' x 17.32'' x 11.02''), this fits a standard19"rack slot with a minimum of 1U height. By FS on 11. März 2022
Q:
Does this switch come with rack mount ears and screws? By Herbert on 9. März 2022

A:
Mine come with the ears and screws for the ears. By FS on 11. März 2022
Q:
Does the 10G Uplink port of this switch support the electrical interface module of FS? What happens to the rate? By Colby on 1. Januar 2022

A:
The 10G port of S3900-24T4S switch can use FS electrical interface module, which has no impact on the rate. It only says that the electrical interface module is used with network cables, and the optical module is used with fiber optic cables. By FS on 1. Januar 2022
Q:
Does the switch support other operating systems besides FSOS? By Keith Carter on 30. Dezember 2021

A:
S3900-24T4S is a hardware and software integrated switch. It cannot be installed and adapted to other operating systems. By FS on 30. Dezember 2021
Q:
Could you provide inter-VLAN routing and relevant documents? By Bruck on 25. Dezember 2021

A:
Hello, S3900-24T4S supports inter VLAN routing, You can refer to section 3.1 of this document: S3900 Series Switches Configuration Guide . By FS on 25. Dezember 2021
Q:
Can the S3900-24T4S switch connect two routers and then segment the network? By Jacob on 21. Dezember 2021

A:
S3900-24T4S supports VLAN, L3 Static Routing, and QoS, which can meet your requirements for network segmentation. By FS on 21. Dezember 2021
Q:
DHCP Server can be configured on S3900-24T4S switches, correct? By Goulet on 17. Dezember 2021

A:
I'm sorry you can't, it doesn't support DHCP Server. By FS on 17. Dezember 2021
Q:
How about the noise of this switch? By Irving on 12. Dezember 2021

A:
I bought this switch and used it in my office without noise because it’s fanless. By FS on 12. Dezember 2021
Q:
Does the S3900-24T4S allow loopback testing? By Gainer on 4. Dezember 2021

A:
Yes, my sales told me that this switch supports it. By FS on 4. Dezember 2021
Q:
I have a project that needs 10GbE fanless switch. Do you have any recommendations? Don't need too many ports, 16-24 is enough. By Poulin on 1. Dezember 2021

A:
We recommend S3900-24T4S and S3900-24T4S-R. You can check their datasheets for further information. S3900-24T4S: S3900 Series Switches Datasheet ; S3900-24T4S-R: S3900-R Series Switches Datasheet . By FS on 1. Dezember 2021
Q:
It's a gigabit hub of S3900-24T4S, but convert SPF to rj45. Can I connect to 0Ghub, connect a computer to 1G RJ45, and use it without any special settings? By Miranda on 20. November 2021

A:
S3900-24T4S features 24x 10/100/1000Base-T RJ45, 4x 10G SFP+, which can be directly connected to the computer through the network cable. If the optical port is needed to be connected to the electrical port, it is necessary to insert a fiber optic transceiver on the optical port, such as #11773. And the speed is reduced to 1G, then you can use the network cable to connect the computer. The following describes the command for reducing speed: S3900-24T4S-1#configure terminal S3900-24T4S-1(config)#interface ethernet 1/28 S3900-24T4S-1(config-if)#speed-duplex 1000full By FS on 20. November 2021
Q:
I do not know a lot of CLI when it comes to switches. How is the GUI on this switch? By Smit on 18. November 2021

A:
You can refer to the web configuration manual: S3900 Series Switches Web Management Configuration Guide . If you are confused about the reference manual, or do not feel intuitive, we can provide remote experience for you:Request Demo, operate the Web in the remote environment set up in the laboratory. By FS on 18. November 2021
Q:
Can the S3900-24T4S four SFP+ ports be arbitrarily configured for both uplink and use for connected servers? Or, are ports 27/28 reserved/limited config for stacking and uplink only? By Cyril Opara on 14. November 2021

A:
The four SFP+ ports on this switch can be used for any uplinks or server connection not only for stacking ports. There are no restrictions on port usage. By FS on 14. November 2021
Q:
Can I use any port or only the uplinks for stacking? By Bode on 8. November 2021

A:
S3900-24T4S can be stacked only through the last two 10G optical ports (ports 27&28), and the stack links must be cross-connected. Stack links can be established in module + fiber optical cables or in DAC/AOC. By FS on 8. November 2021
Q:
Does S3900-24T4S LACP work across the stack? So, for example, one port from one switch and one port from another as part of the same port-channel? By Brad Medina on 7. November 2021

A:
FS S39 series could support LACP and work across the stack. For example, the 2nd port of device 1 and 2nd port of device 2 could achieve LACP with the 3rd ports of device 3 & device 4, The prerequisite is that the stack of device 1 & 2 have been done. By FS on 8. November 2021
Q:
Hello, I want to know how long it will take to produce this product, I need it urgently By Ekaterine on 7. November 2021

A:
I also asked my account manager, she said it has enough stock. By FS on 8. November 2021
Q:
Can I connect the two switches S3900-24T4S using the 10GBASE-SR and the 30m (98ft) LC UPC to LC UPC Duplex OM3 Multimode Cable? By Timothy on 7. November 2021

A:
I tried it and it works. By FS on 7. November 2021
Q:
Do you have a recommendation on which of the smaller models would be a good unit to test? For requirements I’d say nothing bigger than 24 ports and is managed. Layer3 isn’t a requirement. 1 or 10GB uplink. By Jeffrey Vogt on 7. November 2021

A:
I think the S3900-24T4S can fully meet your 24 port requirements, and the 24 ports of this switch are all 10/100/1000M speed ports, which can be well connected to various wired terminals in your network. It also has 4*10Gb uplinks. By FS on 8. November 2021
Q:
LACPインターフェースを作成したいので、設置方法を教えてください。 By on 6. November 2021

A:
LACPの設置方法はhttps://img-en.fs.com/file/user_manual/s3900-series-switches-cli-reference-guide.pdf の197ページからご参照ください。 By FS on 7. November 2021
Q:
The S3900 series switch support stacking, may I know if I can stack them of the same series? such as stack S3900-24T4S with S3900-48T4S By Ashbaugh on 6. November 2021

A:
My account manager told me S3900 series switch only support stacking in the same model, and S3910 series switch support stacking in the same series By FS on 8. November 2021
Q:
it stated that prot 27 and port 28 are for stacking, if i connect a server or storage on that port 27 and port 28, and i connect a machine on the another port on the same switch, can i ping the machine connected on port 27 and 28? or those two ports are only for stacking By Alec George on 6. November 2021

A:
Yes. Ports 27 and 28 can be used as regular ports. They don't have to be used for stacking. By FS on 7. November 2021
Q:
Are rack mount kits included on the switch #72944? By Guinn on 6. November 2021

A:
I have purchsed this switch, and it includes rack mount kits. By FS on 8. November 2021
Q:
I've had a look through the switches that you offer and the S3900-24T4S appear to be the closest to what I will need. But I wanna know what's the difference between S3900-24T4S and MikroTik's CSS326-24G-2S+RM? By Gudino on 6. November 2021

A:
The CSS326-24G-2S+RM provides two 10G uplink ports and supports web management but not CLI management. It supports only simple layer 2 functions but does not support stacking. The advantage of this switch is that it has high-cost performance in the switch with 10G port, especially for small office networks; S3900-24T4S has four 10G uplink ports, supports web/ CLI management, and completes layer 2 functions, it can stack up to six devices. The advantage of this switch is that it is more convenient to expand port rate, link bandwidth, and adapt to a variety of complex network environments for fast-growing enterprises. By FS on 6. November 2021
Q:
We need to reset the password as we have lost it, or factory reset and reconfigure the switch. I have been looking through the documentation but have been unable to find the relevant commands. Is there a way to recover the switch, please? By Satasiya on 3. November 2021

A:
There are two ways to recover the switch: 1. There is a reset button on the switch, after a long press for 10 seconds, it will factory reset automatically. 2. You can also delete the configuration in the command line, refer to the command: delete file name startup-config. By FS on 4. November 2021
Q:
The S3900-24T4S switch, can I make VLAN? Can I do static routing? By Lennie on 3. November 2021

A:
S3900-24T4S supports creating VLANS and configuring static routes. You can learn more about the software functions of s3900-24T4S through the online products datasheet:S3900 Series Switches Datasheet . By FS on 3. November 2021
Q:
I see the S3900-24T4S comes with a 4-year warranty, does this apply to all parts of the hardware (like power supply)? By Matthew on 1. November 2021

A:
It is excluding power supplies and fans whose warranty is only one year. If the power supplies of the switch fail, you should only return the hot-swappable power supplies rather than the whole switch for repair and vice versa. Notably, it has two built-in power supplies. By FS on 1. November 2021
Q:
What is the difference between #134655(S3900-24T4S) and #72944(s3900-24T4S)? By Lovelace on 26. Oktober 2021

A:
The difference lies in 1. Stack number: 24T4S-R can support 8 stacks while 24T4S only can support 6 stacks of the same model; 2. Hardware: 24T4S-R supports more memory than 24T4S; The former DRAM: 256MB, the latter DRAM: 128MB 3. Functions: 24T4S-R supports layer-3 routing functions such as RIP and OSPF, and supports DHCP Server. 24T4S does not support such layer-3 routing functions. By FS on 26. Oktober 2021
Q:
I currently have a fs S3900-24T4S switch that was given to me by my former employer . He was not able to give me the Mounting brackets (L-shape rack ears) for the switch as they were replaced with other devices. Are you able to get me those or guide me in the right direction so I can purchase them? By Roy Owens on 1. Oktober 2021

A:
Yes, we can provide them by offline. You can consult your account manager. By FS on 1. Oktober 2021
Q:
Hello, Can this switch be directly connected to the cat6 patch cables? By Laverna on 8. September 2021

A:
Sure, they can work well. By FS on 9. September 2021
Q:
How many switch stacks does it support? I will have a Ring link needs to be built By Schauer on 23. August 2021

A:
It supports up to 6 Units (Same Models) stacking, two of my switches stacking are working well. By FS on 23. August 2021
Q:
Does S3900-24T4S support FS.com Extreme optics (10301-compatible)? By AFI.IT Dept on 1. August 2021

A:
Yes, FS S3900-24T4S has a low compatibility restriction and Extreme optics will work on it. By FS on 2. August 2021
Q:
Can you give me a pointer on how to change that to 192.168.1.7 via the webinterface? By Demar on 12. Juli 2021

A:
You can do it through CLI but not web, the command will be S3900-24T4S(config)#management ip address 192.168.1.7/24 By FS on 12. Juli 2021
Q:
We plan to install the switch in an open environment. We don't want to be bothered by the noise of the network switch, so silence is the most important thing. Any suggestions? By Bushnell on 6. Juli 2021

A:
Recommended use S3900-24T4S, Fanless, suitable for your use. By FS on 6. Juli 2021
Q:
Can you recommend a substitute for MikroTik CSS610-8G-2S+IN (CSS610-8G-2SPLIN)? By Kujawa on 23. Juni 2021

A:
I am using S3900-24T4S, it has got 24 x Gigabit RJ45, with 4 x 10Gb SFP+. I guess it could be good as a replacement. By FS on 25. Juni 2021
Q:
Does this switch need a license? By Portugal on 18. Juni 2021

A:
The functions were all activated When I received the device, I can use it directly without license activation. By FS on 18. Juni 2021
Q:
How should I configure LACP an this switch? By Rotteck on 17. Juni 2021

A:
Please note the following configuration instructions, LACP begins on page 6, section 2.5 https://img-en.fs.com/file/user_manual/s3900-series-switches-configuration-guide.pdf By FS on 17. Juni 2021
Q:
Is it possible to install a different OS? By Capps on 10. Juni 2021

A:
FS has their own FS OS system, also convenient and reliable. By FS on 11. Juni 2021
Q:
How do I change the default switch address 192.168.1.1, so it will not interfere with the routers address 192.168.1.1? By Bundy on 31. Mai 2021

A:
Please use the command: Switch-1#configure terminal , Switch-1(config)#management ip address 192.168.1.1/24 , Switch-1(config)#ip route 0.0.0.0 0.0.0.0 192.168.254. By FS on 31. Mai 2021
Q:
How many switch stacks does it support at most? By Duell on 31. Mai 2021

A:
It seems 6 is the most... By FS on 31. Mai 2021
Q:
Does this switch support the DC power supply? By Jan on 28. Mai 2021

A:
As far as I know, most of the FS switches are AC power supplies. By FS on 28. Mai 2021
Q:
Which network time protocols does this S3900-24T4S switch support? By Elina on 22. Mai 2021

A:
I see from their datasheet that this switch supports SNTP/NTP. By FS on 22. Mai 2021
Q:
I need a switch with 5 10/100 ports and low price, does S3900-24T4S work well? By Coptton on 18. Mai 2021

A:
I bought some pcs and they are working well. A cost-effective choice. By FS on 18. Mai 2021
Q:
I purchased 4 pcs S3900-24T4S, why there is one of the switches that only shows two 10G ports, it should be four high-speed 10G ports. By Deanblick on 14. Mai 2021

A:
Hi Bro, I met the same issue with you. Maybe you can check if this one switch is doing stacking. The FS tech guys provide the following commands to fix it: S3900-24T4S-1(config)#no stacking enable 1 S3900-24T4S-1#reboot By FS on 14. Mai 2021
Q:
Is it possible to use the S3900-24T4S switch to connect 2 routers and have traffic segmentation for those? By Butcher on 12. Mai 2021

A:
I have tried before, S3900-24T4S supports VLAN, L3 Static Routing，QOS functions, and can have traffic segmentation according to your requirements. By FS on 13. Mai 2021
Q:
Is this switch also manageable via CLI and not only https / Web-based? By Adam Harper on 12. Mai 2021

A:
S3900-24T4S supports Web, CLI, Telnet, SSH management. By FS on 14. Mai 2021
Q:
What's the idle or average watt consumption? By Robert on 11. Mai 2021

A:
Max Power Consumption is 21W, the idle or average watt consumption is around 60% of maximum power consumption. By FS on 12. Mai 2021
Q:
I have both S3900 stacked and working properly. When i power off the 1st switch in the stack, it takes about 1.5 minutes for the second switch to resume passing traffic. Why is that? By Nelida on 10. Mai 2021

A:
I have also encountered this situation. After testing the S3900 stack, the stack will renegotiate after the standby device is powered off and restarted. During the negotiation process, services will be temporarily interrupted.This is caused by the stack negotiation mechanism and is a normal phenomenon. Hope this helps. By FS on 10. Mai 2021
Q:
What patch cables would you recommend with the S3900-24T4S switch to utilize the 10GB capacity and the shielded Cat 6a I have in the whole house? By Jorge Daniel on 10. Mai 2021

A:
Both cat6 or cat6a cable will work. By FS on 10. Mai 2021
Q:
I'm unable to find information if they support 802.1x authentication. Do you have a specification sheet with more details? By Wendell on 10. Mai 2021

A:
In page 4 of the link of datasheet: S3900 Series Switches Datasheet , you can find 802.1x authentication is supported. By FS on 10. Mai 2021
Q:
I believe S3900-24T4S supports intervlan routing but i cannot find it in the documentation. please help to confirm By Zee on 9. Mai 2021

A:
check this one: S3900 Series Switches Configuration Guide . By FS on 10. Mai 2021
Q:
Can you tell me if the S3900-24T4S supports 4 client systems using its 10Gb SFP+ ports? I see it mentions the two end ports (27 and 28) being used for front plane stacking, but if I wasn't stacking another switch, I was wondering if I could use those two ports for client systems as well. By Chris on 8. Mai 2021

A:
Yes, the two end ports (27 and 28) can be used for 10G connection. I used these two ports to link with our servers. By FS on 8. Mai 2021
Q:
May I know the MTBF for S3900-24T4S? By Maximo on 7. Mai 2021

A:
You may download their datasheet and have a look. Most of important parameters are listed, and it shows MTBF (Hours) is more than 100,000. Isn't it vey convenient? By FS on 7. Mai 2021
Q:
if incoming connection is 1g can 10g transmission take place at the uplink? other side being a 10g fiber NAS By Mojica on 7. Mai 2021

A:
I'd suggest keeping both sides with the same speed. That is, if the one end switch for 10G rate, the othe end device should for 10G as well. By FS on 8. Mai 2021
Q:
Where can I find the newest firmware? By Karp on 6. Mai 2021

A:
The further new firmware will be updated in the "Resources" section of the product page. By FS on 6. Mai 2021
Q:
Does this particular model support IGMP v3 and flow control? By Guinn on 5. Mai 2021

A:
It seems that it only supports flow control not IGMP v3, but the working performance is really great~ By FS on 5. Mai 2021
Q:
I saw it supports a small number of static routes. Is there any way to have also OSPF protocol running on it? By Banjoe on 5. Mai 2021

A:
It doesn't support OSPF dynamic routing. By FS on 10. Mai 2021
Q:
Can lacp span over 2 stacked S3900 switches? So for example create a lacp interface containing interface 1/24 and interface 2/24? By Austria on 4. Mai 2021

A:
You can normally stack two switches A and B, and you can select the 24-port of A and the 24-port of B to form an LACP port By FS on 8. Februar 2021
Q:
Does S3900-24T4S support 1G SFP? I want to use my old SFP. By Curamuels on 29. April 2021

A:
I asked the same question last week, and my account manager told me YES. By FS on 29. April 2021
Q:
Can all 4 of these SFP+ ports be used to connect to clients? (ie. 2 for my nas, 1 for server, 1 for another switch) or can the last 2 only be used for stacking other switches? By Mauro on 28. April 2021

A:
Of course! I use all the SFP+ ports to connect other switches in our lab. No only for stacking. By FS on 28. April 2021
Q:
Hi, does this support MPLS VPLS? Which one supports BGP VPLS? That should be for your pro switches right? By Sator.Grand on 24. April 2021

A:
Hi, #72944 doesn't support MPLS and VPLS, S5850 series switches, S5800-48T4S and S5800-48F4SR support the MPLS and BGP-VPLS. By FS on 26. April 2021
Q:
Can I use my copper module on 10G Uplink? By Sitton on 14. April 2021

A:
I think the answer is yes as this is what I do By FS on 5. Mai 2021
Q:
hi does fs3900 SFP+ port support 2.5G speed. I'd like to connect usb to ethernet port 2.5G device By EOS.Srl on 18. März 2021

A:
Hello, 2.5G is not supported. By FS on 18. März 2021
Q:
Hi, is there a way to set a default gateway for the Management Interface - or is the accesss only possible from the same network Segment? By Sebastian.Schubert on 19. Oktober 2020

A:
Hello, the s3900 management port is not isolated from the service interface, so you only need to write a default route. For example: IP route 0.0.0.0 0.0.0.0 10.32.133.254 By FS on 20. Oktober 2020
Q:
My switches are running the most recent release of the software available, but the ssh server implementation is so ancient that it cannot interoperate with even a four-year-old Ubuntu 16.04 client. When can this be fixed? By Garrett.Wollman on 26. August 2020

A:
Hello, our switch supports ssh2.0, please describe in detail "the implementation of sh server is so old". Asymmetric encryption support: RSA1, DSA2 Symmetric encryption support: AES-128, AES-192, AES-256, 3DES, des_cbc, Blowfish HASH support: MD5, SHA1 By FS on 27. August 2020
Q:
After the S3900 switches are stacked, the device has lost the stacking port. What is the reason? By henson on 19. Juni 2020

A:
After the S3900 switch is successfully stacked and you check the port status through the commands, the two stacking ports of the device will disappear which is a normal situation. It is mainly to prevent misoperation. Please don't worry. By FS on 19. Juni 2020
Q:
Why is the calendar set time of the switch restored after restarting? By Emoef on 18. Juni 2020

A:
The time of calendar set is not saved in the configuration file so it will not continue counting after the device is turned off. It is recommended to use the ntp service to synchronize the system time, so that after the switch restarts, you only need to set the next restart time, and don‘t need to set the system time again. By FS on 18. Juni 2020
Q:
When multiple S3900 switches are stacked, one of them will go down. Will it affect the normal operation of other switches? By Soucie on 16. Juni 2020

A:
If the master is down, it will re-elect, the election process is the same as the first stack. If it is a slave downtime, there will be no impact. By FS on 16. Juni 2020
Q:
Can the stacking and LACP functions of the S3900 be used together? By Helfer on 15. Juni 2020

A:
Yes, after the S3900 switches are stacked, they are logically one device and can implement LACP with other devices. By FS on 15. Juni 2020
Q:
Hello, why do I fail to upload firmware to the S3900 switch when upgrading the switch? By Dennis Haislip on 12. Juni 2020

A:
The S3900 series switches only support a maximum of 2 firmwares. Please use the command dir to check whether there are currently two firmwares. If so, you need to delete one and add the new one. If there is only one, please check whether the firmware is damaged. It is recommended to download and install again. By FS on 12. Juni 2020
Q:
When configuring QinQ, how many QinQ can be configured for each port? By Jimmina on 10. Juni 2020

A:
The S3900 series are the access layer switches, which have certain restrictions on the hardware, so the maximum entry for QinQ is 24 per port. By FS on 10. Juni 2020
Q:
I'm currently evaluating your products for our own infrastructure. I think that your S3900-24T4S could be a good solution for our needs. I need 8 switch to popolate our racks and providing access connectivity to our servers. The main issue is that I also need 2 core switch for connecting the access layer each other and uplink to the network perimeter. I've not found in your catalog a switch model that couldd be used for this scope.We have in plan to upgrade the network with more advanced features in the next future so, for now, I'm investigating the market for an affordable solution. I'm evaluating ubiquity products becaue this vendor has a 12 SFP+ ports available in its catalogue. By Popovich on 9. Juni 2020

A:
Hello, i see you need a solution for your network; our tech and salers can help you design your whole network solution with best quality and price. And we recommend the S3900-24T4S for you to connect to the server. The function of the core switch is more abundant than that of the access layer switch. So as for the core switch, we recommend S5800-8TF12S for the core switch. By FS on 9. Juni 2020
Q:
Does the QinQ function of S3900 series switches support no vlan tags or add double vlan tags? By Jamange on 9. Juni 2020

A:
The S3900 series switches don't support no vlan tags or add double vlan tags yet, but the #S5810 Series Switches support these. By FS on 9. Juni 2020
Q:
The S3900 series switch is configured with the sflow function, and then after saving the configuration and restarting, the sflow function disappears. What is the reason? By Aneili on 8. Juni 2020

A:
After the switch is configured with sFlow function, the configuration file will not display the sFlow configuration. When you check the sFlow configuration command, it will show sFlow. By FS on 8. Juni 2020
Q:
How to enable the IGMP Snooping function of S3900 series switches? By Danny on 6. Juni 2020

A:
In order to make IGMP snooping effective on the S3900 series switches, you need to use the command: ip igmp snooping querier to make the switch actively send down Query. By FS on 6. Juni 2020
Q:
Does S3900 series switch support 100M transceiver modules? By Jeffers on 3. Juni 2020

A:
Yes, the 100M transceiver modules are supported on the Gigabit ports of S3900 series switches, but the version needs to be upgraded to V1.6.9 or higher (including V1.6.9). By FS on 3. Juni 2020
Q:
management IP By J. L. on 1. Juni 2020

A:
S3900 series switches don‘t support web interface to change the management port IP. We would recommend the S58 series switches, which could support this function. By FS on 1. Juni 2020
Q:
What is the command to enable igmp snooping on S3900 series switches? By Lawrence on 28. Mai 2020

A:
The command example is as follows: Run the following commands in sequence: Switch(config)#ip igmp snooping Switch(config)#ip igmp snooping vlan 1 Switch(config)#ip igmp snooping querier By FS on 28. Mai 2020
Q:
Does the S3900-24T4S switch have Trunk function? If it supports it, does it support Dot1Q? By Huff on 22. Mai 2020

A:
Yes, the S3900-24T4S switch supports dot1q encapsulation in trunk and trunk modes. By FS on 22. Mai 2020
Q:
What is the stacking connection between S3900 switches? By Dougsrose on 20. Mai 2020

A:
The S3900 switch uses the last two 10G ports as stack ports, and the connection method is cross-connect (daisy chain). By FS on 20. Mai 2020
Q:
Can different models of S3900 series switches be stacked? By Johgan on 19. Mai 2020

A:
It is not recommended to use different models of S3900 series for stacking because there is a problem with data forwarding. The model and software version of the two switches to be stacked must be consistent. By FS on 19. Mai 2020
Q:
Can the S3900 series switches modify the IP address of the management port through the web? By Tony Lee on 14. Mai 2020

A:
The IP address of the management port cannot be modified through the web currently, but can be modified through CLI commands. By FS on 14. Mai 2020
Q:
Does all ports of S3900 series switches support viewing DDM information? By Alford on 8. Mai 2020

A:
The S3900 series switches currently support 10G ports to view DDM information. By FS on 8. Mai 2020
Q:
Which switches in FS support stacking? By Trevor on 2. Mai 2020

A:
S3900 series switches, S5900-24S4T2Q switch, S5500-48T8SP switch support stacking. But FS equipment can be stacked only in the same model and version. By FS on 2. Mai 2020
Q:
If I configure a stack with two S3900 (S1 + S2), is it possible to use LACP with a client for redundancy purpose (e.g. server connected to S1_Port1 and S2_Port1 - so that one link or switch e.g. S1_Port1 or S1 can fail without connection issues)? By Pascal.Bubeck on 29. April 2020

A:
Yes, the LACP can be achieved with a client for redundancy purpose after two S3900-24T4S switches are stacked. The specific operations of LACP can be referred on page 6 of the S3900 Series Switches Configuration Guide. By FS on 30. April 2020
Q:
About the #72944, I want to know whether its SFP+ port can be used to connect devices or only for uplink? Can it be connected with single computer with 10G fiber interface? By Curtis Reid on 23. April 2020

A:
Hello, the SFP+ interface of the S3900 can not only be connected to upstream devices, but also be connected to computers and other devices. By FS on 23. April 2020
Q:
What's the LACP limit entries of two 72944 stacks? I need more than 8. By Spigner on 16. April 2020

A:
Hello, S3900-24T4S can create up to 26 groups of LACP, and the maximum number of ports in each group is 8. By FS on 16. April 2020
Q:
if I create vlan 2 and vlan 3and create virtual interfaces on each can I route between them？ By Jed on 13. April 2020

A:
Yes, you can. This could work, and you can refer on pages 24 and 25 of the S3900 Series Switches Configuration Guide . By FS on 13. April 2020
Q:
I see the mac-address-table aging time command in our S3900 manual on the website, i want to know whether "0" means to disable aging. By Kirk Handy on 7. April 2020

A:
Yes, the normal aging time of mac-address-table is 300s. But if you set static device to "0", the mac-address-table won't get aged. By FS on 7. April 2020
Q:
Can the switch be configured to block DHCP (udp port 67-68) in and out on only 1 port while allowing all other traffic on that port? By Frederick.Buzzell on 17. März 2020

A:
Yes, the S3900-24T4S switch can meet your need well. When the switch implements the above configuration, DHCP information can be filtered out. At this point, no matter what IP address DHCP obtains, as long as the traffics are obtained through DHCP, they will be completely filtered out. The specific configuration guide can be referred on page 137 of the S3900 Series Switches CLI Reference Guide. By FS on 18. März 2020
Q:
I tried a lot of ways to open the S3900-24T4S Switch Visio Stencils, but I failed. Could you tell me how to open it? By Sager on 20. Februar 2020

A:
Hello, you could download the Microsoft Office and choose the VisioPro on the “Main Window” of the Office, then you could open this visio stencils. By FS on 20. Februar 2020
Q:
Just wondering if you can confirm that the LACP link aggregation on your switches is fully compatible with HP Procurve switches? I have existing 5412zl and 2510G switches that I'm looking to connect to your S3900-24T4S and possibly S5800 series. Basically looking to add the FS switches to allow 10G fibre connections and aggregate 1G to existing switching. What is the max links that can be aggregated? By Erdman on 17. Februar 2020

A:
Yes, S3900 series and S5800 series switches are compatible with your HP Procurve switches because LACP is a public standard protocal and our devices support it. The max aggregated links of S3900 series is 8 and S5800 series is 16. By FS on 18. Februar 2020
Q:
Does this switch support QinQ and vlan translation? By Gepack on 11. Februar 2020

A:
Yes, S3900-24T4S supports QinQ and VLAN translation. And all S39 and S58 series switches support both QinQ and VLAN translation. By FS on 12. Februar 2020
Q:
Can you forward multiple vlans to another device connected to an sfp port? By Gary.Ogden on 24. Januar 2020

A:
S3900-24T4S switch could support the creation of up to 4096 vlans, which could meet your need for forwarding multiple vlans to another device connected to an SFP port. By FS on 31. Januar 2020
Q:
Does the sfp+ port support syncing on 2.5G? By Gary.Ogden on 24. Januar 2020

A:
S3900-24T4S switch does not support slowing down the 10G SFP+ port to 2.5G. By FS on 31. Januar 2020
Q:
Can I combine the 4x10G SFP+ to use 2 ports for stacking and 2 port to hookup servers and nas. By Roy on 27. November 2019

A:
Yes, you can. But it should be noted that only the last two 10G ports of the S3900-24T4S switch can be used for stacking. And you can use the other two 10G ports to connect the server and nas. By FS on 27. November 2019
Q:
set-up a port-mirror on the switch By Ajay.Sharma on 14. November 2019

A:
S3900 series switches support port-based isolation. The detailed configuration guide, please kindly check the page 415 of the S3900 Series Switches CLI Reference Guide By FS on 16. November 2019
Q:
Can the S3400-24T4FP switch be stacked with the S3900 series switches? By Jon Baer on 20. Oktober 2019

A:
Hello, the S3400-24T4FP switch can not be stacked with the S3900 series switches. First, the S3400-24T4FP doesn't support stacking. Second, it should be noted that the model and software version of the two switches to be stacked must be same. By FS on 20. Oktober 2019
Q:
Is this switch available with DC power supplies? By Tim.Nowaczyk on 2. Oktober 2019

A:
The S3900-24T4S switch is not available with DC power supplies. It is equipped with 2 built-in AC power supplies by default. If you need the switches with DC power, FS S58 series switches (except the S5850-48T4Q) can provide the DC power modules. By FS on 3. Oktober 2019
Q:
Hello. Does the equipment have Trunk Capabilities? If so does it support Dot1Q. Thank you and have a great day! By ITETINET.ITETINET on 20. September 2019

A:
The S3900-24T4S switch supports Trunk and Dot1Q. You can get the detailed configuration guide in the Web Management Manual and CLI Reference Guide. By FS on 23. September 2019
Q:
I have two computers using a 10Gbe network card (Mellanox) with optics transceiver and of course fiber optic cable. Could I use this switch to connect these computers together to transfer files using SPF+ ports? In other words I’m interested in using this switch as a 4-port 10Gbe switch for the home. Will that work? (I'm confused by the "uplinks" description of it). Thanks By Daren.Jacobs on 21. Juli 2019

A:
The S3900-24T4S switch can be used to connect computers and 10G network card (Mellanox) together by using SFP+ ports to transfer files. It can be used as a 4-port 10G switch for your home. We recommend the module #11552 to connect the terminal or connect the switch. By FS on 22. Juli 2019
Q:
I need to run a standard Linux user-mode application on this switch. Does the switch allow access to the Linux command line, or is the CLI the only thing that is available? There are other switches by FS that run Linux (ONIE), but those switches are too expensive for my particular application. By Just Curious on 5. Juli 2019

A:
The S3900-24T4S switch can support CLI and web management, but it doesn't allow access to the Linux command line. By FS on 9. Juli 2019
Q:
Are the SFP+ ports compatible with 10GBASE-T modules, such as FS P/N: SFP-10G-T? By Zan on 9. Mai 2019

A:
The S3900-24T4S switch's SFP+ ports can be compatible with 10GBASE-T modules, such as FS P/N: SFP-10G-T #66613 recommended. By FS on 10. Mai 2019
Q:
Does this switch work with a "C60 10G DWDM SFP+ 100GHz 80km Module, Cisco Compatible" transceiver? By Chinmay on 22. April 2019

A:
Hello, the S3900-24T4S switch can work with the Cisco compatible C60 10G DWDM SFP+ transceiver modules. By FS on 24. April 2019
Q:
Hi team, does this switch support port-isolation (layer 2 split-horizon between ports)? By Albert.Safiullin on 6. April 2019

A:
S3900 series switches support port-based isolation. The detailed configuration guide, please kindly check the page 415 of the S3900 Series Switches CLI Reference Guide. By FS on 8. April 2019
Q:
Hi, How can I start the User-web-interface (Ethernet) to make quickly and simply configurations? What is the default IP-Adress and the Login-data? I also like the answers to this question as I am about to buy this switch S3900-24T4S Can the 4 SFP+ be used in a common network together with the 24 RJ-45 ports since I need them for my NAS and 2 servers do not need the Uplinks and only need 1 switch By Volcano on 4. April 2019

A:
The default IP adderess is 192.168.1.1. The login information is--username: admin, password: admin. More detailed configuration guide, please check the web and CLI manual in the “Download” section of the product page. By FS on 5. April 2019
Q:
Is #72944 compatible with SFP-GE-L? By Eswaran on 14. März 2019

A:
Yes, the #72944 S3900-24T4S can be compatible with SFP-GE-L transceiver modules. By FS on 14. März 2019
Q:
This is the smallest switch you do that has a 10G sfp uplink, yes? I would love to find a cheaper and smaller 8 port 1GbaseT with a 10G uplink. That’d be amazing with a 10G fiber aggregation, at least for what I am looking for By Derek on 2. März 2019

A:
Yes, S3900-24T4S is the smallest switch with 10G SFP uplink, and 24 10/100/1000BASE-T ports which can meet the demand as you required. So we recommend the S3900-24T4S for you. Thanks! By FS on 4. März 2019
Q:
Is there a POE version of the S3900-24T4S Fanless 24-Port By Erick on 30. Januar 2019

A:
The S3900-24T4S does not have a POE version. POE requires hardware support. You can try POE switch#73459, the four optical ports of it is 1G SFP. By FS on 31. Januar 2019
Q:
Do you have a PoE switch that is able to stack with this one? By Bruno Silva on 22. Januar 2019

A:
A S3900-24T4S switch can only be stacked with other S3900-24T4S switches. It can not be stacked with other brands or other models. By FS on 23. Januar 2019
Q:
Can we do most of basic configuration trough Webui ? including bandwidth limiting ? By Mathieu on 19. Januar 2019

A:
You can do most of basic configuration through Webui including bandwidth limiting, port settings, vlan settings and etc. By FS on 21. Januar 2019
Q:
Do your switch report PSU status ? are we going to be noticied if a PSU fail ? By mathieu on 19. Januar 2019

A:
When this switch running SNMP, if the PSU fail, you will receive the Alarm information to be noticed for it. By FS on 21. Januar 2019
Q:
Does this switch support LACP / port-channels, MSTP and/or PVSTP? By Niels.van Adrichem on 10. Januar 2019

A:
Our S3900-24T4S switch can support LACP and MSTP. By FS on 11. Januar 2019
Q:
Does this switch have POE? If not do you have a quiet 24port with POE? By Bob on 28. November 2018

A:
Kindly noted that this switch does not support the POE, you can look through the 24 port POE switch from this item #73459. By FS on 4. Dezember 2018
Q:
Are you able to specify MDI/MDIX on this switch or any FS switch? Specification says Auto MDI/MDI-X but I would like to know if you can specify it per port? By quinniedid on 27. November 2018

A:
For the MDI/MDIX function, it is auto negotiating the RJ45 network cables. No matter crossover or straight through network cables you use, they all can be recognized. It is a basic function of switch. Our every port can support MDI/MDI-X, and the rate is 1000Mbps. You just need to use the normal network cables, then the port can work well. By FS on 28. November 2018
Q:
Are 10Gb SFP ports available for normal use, or only for stacking ? By crond on 14. November 2018

A:
Yes, 10G SFP Ports are not only available for normal use, but also can support 6pcs switches in stacking mode at the same time. By FS on 15. November 2018
Q:
is it suitable to use with sfp SFP1G-SX-31 transceiver? By IT9-Vincenzo on 13. November 2018

A:
Yes, it is suitable to use with SFP1G-SX-31 transceiver. Pls rest assured. By FS on 14. November 2018
Q:
Is the configuration via SSH or console similar to Cisco? Also, does FS keep the firmware up to date? By dragonforge on 3. Oktober 2018

A:
This switch can configure via console and the operation procedure is similar to Cisco, and the firmware update will informed through on FS website. By FS on 4. Oktober 2018
Q:
Hi, How can I start the User-web-interface (Ethernet) to make quickly and simply configurations? What is the default IP-Adress and the Login-data? How can I get the completely User-Manual for this type of switch? With best regards Lorenz By Lorenz on 24. September 2018

A:
Hello, your Account Manager will send the relevant documents to you by email. Thanks By FS on 25. September 2018
Q:
What cable(s) are needed to stack these switches? By tony722 on 18. September 2018

A:
The S3900-24T4S can support stacking. There are 10G fiber port on switch, the stacking cables are 10G DAC. By FS on 21. September 2018
Q:
このS3900-24T4Sスイッチはvlan 変換の機能を持っていますか？ By on 6. November 2021

A:
このスイッチは当該機能がありますよ。マニュアルを参照し設定しました。 By FS on 8. November 2021
Q:
Hello is the 4 sfp "uplink" port have the same fonctionnality like other port ? is it possible to use those 4 ports like the other port and not only for uplink beetwin switch ? id like to connect server or pc in a home use Thanks By Vincent.Meunier on 20. September 2021

A:
Hello yes, the 4 uplinks SFP+ 10G have the same fonctionnality like other port. You can connect your server or pc via these ports. By FS on 24. September 2021
Q:
Me dedico al sector audiovisual y al streaming. Estoy montando un rack con varios equipos incluido un PC con conexión 10Gbps que tendrá que recibir varios streams por NDI con una tasa de 100 a 120 Mbps. Los equipos que envían estos streams al PC son de 1 Gbps. Este a su vez tiene enviar a varios PCs una señal NDI de 100 a 120 Mbps, estos pc disponen de red de 1 Gbps y mandamos una señal por PC. En total la suma de todos los streams que salen del PC de 10 GB puede ir de 2500 Mbps a 4000 Mbps. Y lo que entra a este PC es una suma similar. ¿Podría funcionarme este equipo para este propósito? By José Daniel.Cantó Pérez on 24. August 2021

A:
By FS on
Q:
Hi, im on firmware 172 and my serial console is chinese. How do I change it to english? By Marc.Ernstberger on 15. Juli 2021

A:
Hello, this situation may generally be caused by the following two problems: 1. Remote software problem. 2. Your PC language problem. If it is a remote software problem, there are also several possible reasons: 1. The baud rate is not set correctly. 2. The flow control is not turned off. 3. The port is not selected correctly. Please check the reason at first. If it is still not resolved, please contact your Sales Engineer and provide a screenshot of the problem, thanks for your efforts! By FS on 19. Juli 2021
Q:
Hello, Is this switch compatible with SFP+ ER , 40Kms 1310 and/or 1550nm (SFP-10GER-31, SFP-10GER-55)? Does it provide enough power for those transceivers ? By Julien.DE SOUZA on 13. Juni 2021

A:
Hello, the switch support the maximum power of 21W. And the power of our SFP+ ER modules is 1W or 1.5W. So, they are compatible. By FS on 15. Juni 2021
Q:
Tengo un proyecto en el cual requiero pasar 5Gb de internet a 16 kilómetros de distancia y repartir con una OLT esos 5Gb. La pregunta es si con dos switch S3900-24TS y un par de de módulos Transceptor SFP-10GER-55 podría realizar mi proyecto con éxito? By David.Hernández on 13. März 2021

A:
Muchas gracias por su consulta. No puede usar el switch S3900 para completar estas conexiones, lo que necesita es el equipo ONT que coincida con el OLT. By FS on 17. März 2021
Q:
Bonjour, La console d'admin peut on l'avoir en Français ? Merci By LUDOVIC.DUROUSSEAU on 11. Januar 2021

A:
Malheureusement, il ne supporte que l’anglais pour le moment. By FS on 12. Januar 2021
Q:
Hello I need option remote-id for `ip dhcp relay information option`, as specified on page 355 of S3900 CLI Reference Guide. The options is missing. Version : Operation Code Version : 1.5.6 What can I do ? By Pierre.Gambarotto on 30. Oktober 2020

A:
For the configuration of DHCP relay related functions, please refer to appendix 2.2 for details, and the link is as follows: https://img-en.fs.com//file/user_manual/s3900-series-switches-configuration-guide.pdf By FS on 5. November 2020
Q:
Does the switch support IGMP snooping for all IGMP versions (v1/v2/v3)? By Michael.Armbruster on 8. September 2020

A:
yes，it's support IGMP snooping v1/v2/v3 By FS on 10. September 2020
Q:
Does this switch work with a external dhcp server ? As some switches refuse to send dhcp requests on the network My main goal is to boot multiple pxe servers connected to this switch that is connected to 10gbit port to the router By Nico.Quintiens on 6. August 2020

A:
It is supported. S3900-24T4S supports DHCP client, but does not support use as a DHCP server. By FS on 7. August 2020
Q:
Bonjour, serais t’il possible d'avoir une version POE , car je recherche un Switch empilable et POE, mais en 24 port, pour assurer une continuer de services, 2 switch 24 au lieu d'un switch 48 POE comme le S5500-48T8SP. Cordialement. By Nicolas.Mas on 24. Juni 2020

A:
Bonjour,il n'y a pas de switch PoE de 24 ports sur site web maintenant. By FS on 30. Juni 2020
Q:
Does LACP work across the stack? So, for example, one port from one switch and one port from another as part of the same port-channel? By Dan.Faulknor on 8. Februar 2020

A:
The S3900-24T4S switch could not support the feature that LACP works across the stack, the # 85069 S5850-24T16S switch, which supports MLAG and could meet your need well. By FS on 10. Februar 2020
Q:
Bonjour, j’avais une question sur la partie SFP+. Le switch S3900-24T4S est équipé de 4 ports 10G. Peuvent-ils tous être utilisés pour connecter des serveurs/pc? Dans l'une des question déjà posé, il est indiqué que ses ports peuvent les accueillir, mais dans la documentation, il semble que les port 27 et 28 sont réservé au stacking. Merci par avance. By Mathieu.Canevet on 4. Dezember 2019

A:
Oui, quand vous avez besoin du stack du S3900-24T4S, vous pouvez combiner les 4x10G SFP+, puis utiliser les ports 27 et 28 pour le stack et relier les ports 25 et 26 au serveurs et pc. Quand vous n'avez pas besoin de stack, tous les 4 ports 10G SFP+ peuvent être reliés aux switchs, routeurs, serveurs, pc et d'autres équipements. By FS on 6. Dezember 2019
Q:
Can I combine the 4x10G SFP+ to use 2 ports for stacking and 2 port to hookup servers and nas? By Aldrich.Thiel on 26. November 2019

A:
Yes, for the S3900-24T4S, you can combine the 4x10G SFP+ to use 2 ports for stacking and 2 ports to connect with servers and nas. When the stack is not needed, all four ports can connect with switches, routers, servers, and other devices. By FS on 27. November 2019
Q:
Bonjour, Comment changer l’ IP par défaut 192.168.1.1 de l'interface web de management? Merci By Ludovic.Rebord on 22. Oktober 2019

A:
Bonjour, voici les commandes pour changer l' adresse IP par défaut: S3900 #configure terminal S3900(config)#interface Craft S3900(config-if)#ip add 192.168.1.1/24 S3900(config-if)##exit Vous pouvez aussi voir la page 27 du document S3900 Series CLI Reference Guide By FS on 24. Oktober 2019
Q:
Bonjour, La documentation (s3900-series-switch-cli-reference-guide.pdf) ne mentionne pas la commande "clock summer-time". Serait-il possible d’obtenir de la documentation ? Merci. By Jean-Ronan.BOURDONNAY on 6. September 2019

A:
Thanks for your question. You can configure the “summer-time” using the web interface first, and we will update the “summer-time” CLI reference documentation as soon as possible. You account manager will email the documentation to you. By FS on 10. September 2019
Q:
Bonjour, Puis-je utiliser les ports SFP+ pour faire passer du trafique dans des VLAnN vers NAS, FireWall, ... Merci By Pascal.SENE on 22. August 2019

A:
Bonjour, Vous pouvez configurer les ports du switch connectant àserveur NAS et à Firewall en tant que port d'accès. By FS on 24. August 2019
Q:
Hi, does the switch support private vlan? Thank you, David. By david.gre on 31. Juli 2019

A:
S3900-24T4S switch doesn't support Private Vlan. We recommend S-Series Switches. By FS on 1. August 2019
Q:
If this stack connection is lost while this switch is in stack, please tell me the operation and workaround when it is in multi master status. For example, MAD (Multi Active Detection) of HPE switch By Kazuki on 10. Juni 2019

A:
Thanks for your question. Firstly, please check whether the module and the cable are normal, if not, we recommend you to replace a new one. Then restart the switches, and the devices will restack automatically. Before restarting, please remember to save the current configuration. By FS on 12. Juni 2019
Q:
Where i can get MIBs about those switchs ? (currently returned by netdisco : enterprises.51134.10.1.45.101), thanks ! By Clément XaT on 28. März 2019

A:
You can get the MIB file in the “Download” section of the product page. By FS on 29. März 2019
Q:
Bonjour, Question 1 : LACP 802.3ad Ce switch supporte t’il le 802.3ad (LACP) ? Peut on faire des ports channels? si oui, a combien de membres ? ( jusqu'à 16 membres ?) Si LACP est supporté, peux t'on faire du LACP sur 2 switchs de ce modèle avec 1 interface active sur chacun des switchs ? Question 2 : DOT1X Ce switch supporte t'il le protocole 802.1x ? Si oui, quels sont les protocoles d'authentifications utilisés (cdp, mab, etc...?) En vous remerciant d'avance, Cordialement, nbanba En vous remerciant d'avance By nbanba on 7. Februar 2019

A:
1. ce switch supporte LACP, 8 membres au maximum par chaque ports channels, et il supporte aussi des switch de même ou de différents modèles pour le LACP. 2. ce switch supporte 802.1x, concernant l’authentification, veuillez voir p145 de ce document https://www.feisu.com/file/user_manual/s3900-series-switches-cli-reference-guide.pdf By FS on 13. Februar 2019
Q:
Comment utilise-t-on le port MGT ? je n’ai trouvé aucune instruction dans la documentation. By Sebastien on 27. Januar 2019

A:
Bonjour, merci de votre question. Votre représentante commerciale va vous envoyer les documents de configurations, n’oubliez pas de vérifier la boîte aux lettres, cordialement. By FS on 28. Januar 2019
Q:
comment mettre a jour le firmware ? By .lionel on 6. Januar 2019

A:
Bonjour, votre représentant de ventes vous contactera pour vous offrir les instructions de mise à jour. Merci de votre question. By FS on 7. Januar 2019
Q:
Do SFPs have to be FS encoded, or does any vendor coding work? By Ian.Corrie on 29. Dezember 2018

A:
Theoretically, other brand SFP can also work on this switch. We recommend FS SFP Transceivers. By FS on 2. Januar 2019
Q:
Does this switch support POE? If so, max loading? By Mike on 29. November 2018

A:
The S3900-24T4S switch doesn't support POE, you can kindly click this link to find more PoE+ Switches. By FS on 30. November 2018
Q:
We have one Server with a NIC Card HP NC522SFP Dual Port 10GbE. This switch can be used with this Nic card? What tranceiver we need to bougth too? By Jose Santamaria on 20. November 2018

A:
1. Nuestro switch S3900-24T4S # 72944 se puede usar con tarjetas Nic HP NC522SFP. 2. Necesitamos confirmar sus necesidades de transmisión específicas para recomendar los transceptores. By FS on 22. November 2018
Q:
Can the 4x 10GE SFP+ ports be used to connect to servers via dac cables ? By fonts on 26. Oktober 2018

A:
You can use the DAC cables to connect our switch to servers. Please check the 10G DAC cables #30849 for your reference. By FS on 27. Oktober 2018

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