FS S3900 SERIES SWITCHES

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FS S3900 SERIES SWITCHES

Overview

The S3900 series switches consist of three models: S3900-24T4S, S3900-24F4S, S3900-48T4S, which are fully managed stackable Gigabit switches, equipped with Broadcom chips, supporting 10G SFP+ uplinks, designed for SMB, campus and enterprise networks.

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

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Product Guideline : Product Guideline

Case Study

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FAQ

 Basic Information: Overview; Test Report; EOM, EOFS and EOS Date; Supported Module & Cable

 Configuration Guide: Switch Stack; Voice VLAN; STP Configuration; Interface-based VLAN; IP Subnet-based VLAN; Protocol-based VLAN; Traffic Segmentation; Log in Guide; Port Mirroring; MAC Address-based VLAN; LACP; SNMP; DHCP Snooping

How to Configure MAC Address-based VLAN on FS S3900 Series Switches?

Posted on September 27, 2019 By FS.COM

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MAC address-based VLAN is a method to allow incoming untagged packets to be assigned to a VLAN based on the source MAC address of the packet. Even if the users frequently change their physical locations, the network administration won’t need to reconfigure VLANs which improves security and access flexibility on a network. The FS S3900 series switches, supporting MAC address-based VLAN configuration, are quite suitable for SMB of which physical locations change frequently while network cards are replaced infrequently, such as laptops.

MAC Address-based VLAN Application on FS S3900 Series Switches

The following figure shows a typical MAC address-based VLAN application on FS S3900-24T4S switches. The two S3900-24T4S switches are connected together and the S3900-24T4S switch 2 is connected with PC1 and PC2. Then by configuring the MAC address-based VLAN for the S3900-24T4S switch 1, the PC1 or PC2 can easily get access to the company network. Even if the physical location of the PC1 or PC2 changes, they still can access the company network. However,other PCs are not allowed to access this network, which greatly enhances network security and flexibility.

MAC Address-based VLAN Application.jpg

How to Implement MAC Address-based VLAN on FS S3900 Series Switches?

FS S3900 series switches consist of S3900-24T4S, S3900-24F4S and S3900-48T4S switch which support MAC address-based VLAN configuration. When configuring a static MAC VLAN, the network administrator needs to manually configure the MAC address entries to enable the MAC address-based VLAN feature. This method is suitable for small networks with a few users.

Notes:

When configuring the static MAC manually, you need to enter the right MAC address of the PC.
If a MAC address is associated with the MAC VLAN, you can’t use the MAC address to configure other MAC VLANs.
In the access and trunk interface, only if the MAC address-based VLAN is the same as the PVID (Port VLAN ID) can the feature be applied normally. Therefore, MAC address-based VLAN must be configured in the hybrid interface.

MAC Address-based VLAN Configuration Roadmap of S3900 Series Switches

The MAC address-based VLAN configuration of S3900 series switches can be realized via CLI and web GUI interface. Here are the configuration processes via the CLI interface:

Check the MAC addresses of the PCs.
Create VLANs on the switch and set the IP address.
Configure the port of the switch as hybrid interface and remove the VLAN tags.
Configure the MAC address for the PC and associate it with the corresponding VLAN.
Use the ping commands to inquiry the VLAN IP address of the switch on the PC and verify the configuration.

S3900 Series Switches MAC Address-based VLAN Configuration via CLI

1. Check the MAC addresses of the PC1/ PC2 (PC1: E4-54-E8-9D-AB-42; PC2: 8C-EC-4B-4F-77-E2).

2. Create VLAN 10 on the S3900-24T4S switch 1 and set the IP address.

S3900-24T4S#configure terminal
S3900-24T4S(config)#vlan database
S3900-24T4S(config-vlan)#vlan 10
S3900-24T4S(config-vlan)#exit
S3900-24T4S(config)#int vlan 10
S3900-24T4S(config-if)#ip add 192.168.20.1/24

3. Configure the eth1/1 of the S3900-24T4S switch 1 as hybrid port and remove the tags of VLAN 10.

S3900-24T4S(config)#int ethernet 1/1
S3900-24T4S(config-if)#switchport mode hybrid
S3900-24T4S(config-if)#switchport hybrid allowed vlan add 10 untagged

4. Configure the MAC addresses of the PC1 and PC2 and associate them with VLAN 10 (support priority setting and generally the default VLAN is 0).

S3900-24T4S(config)# mac-vlan mac-address E4-54-E8-9D-AB-42 vlan 10
S3900-24T4S(config)# mac-vlan mac-address 8C-EC-4B-4F-77-E2 vlan 10

5. Verify the configuration. Use ping commands to inquiry the IP address of VLAN 10 on the PC1.

C:UsersDell>ping 192.168.20.1
Pinging 192.168.20.1 with 32 bytes of data:
Reply from 192.168.20.1: bytes=32 time=11ms TTL=64
Reply from 192.168.20.1: bytes=32 time=2ms TTL=64
Reply from 192.168.20.1: bytes=32 time=2ms TTL=64
Reply from 192.168.20.1: bytes=32 time=2ms TTL=64

Ping statistics for 192.168.20.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 2ms, Maximum = 11ms, Average = 4ms

Use ping commands to inquiry the IP address of VLAN 10 on the PC2.

Connect the PC2 with the S3900-24T4S switch 2 (the MAC address of the PC2 is not associated with VLAN 10) and use the ping commands to inquiry the IP address of VLAN 10 of S3900-24T4S switch 1.

C:UsersDell>ping 192.168.20.1
Pinging 192.168.20.1 with 32 bytes of data:
Request timed out
Request timed out
Request timed out
Request timed out

Ping statistics for 192.168.20.1:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss)

S3900 Series Switches MAC Address-based VLAN Configuration via Web GUI

Log in to the web GUI interface of the S3900 series switches to configure the MAC address-based VLAN for the switch. The detailed processes are listed below:

1. Switch Management > VLAN > Static VLAN >VLAN Management > New, create new VLAN on the switch.

2. Enter the VLAN-MAC-Based Vlan interface and associate the MAC address with VLAN 10 in PC1. At the same time, you can choose the priority setting and generally the default VLAN is 0 (the processes of the PC2 are same to the PC1).

Interface-based VLAN Configuration on FS S3900 Series Switches
Voice VLAN Configuration on FS S3900 Series Switches

Name

All Type 

Date

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

See Full Details

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 September 8, 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 September 9, 2021
Q:
How many switch stacks does it support? I will have a Ring link needs to be built By Schauer on August 23, 2021

A:
It supports up to 6 Units (Same Models) stacking, two of my switches stacking are working well. By FS on August 23, 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 August 4, 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 August 4, 2021
Q:
Does S3900-24T4S support FS.com Extreme optics (10301-compatible)? By AFI.IT Dept on August 1, 2021

A:
Yes, FS S3900-24T4S has a low compatibility restriction and Extreme optics will work on it. By FS on August 2, 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 July 31, 2021

A:
I tried it and it works. By FS on August 2, 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 July 23, 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 July 25, 2021
Q:
What's the advantage of fully managed switches compared with smart managed pro switches? By Phengie on July 19, 2021

A:
One advantage I am aware of is that fully managed switches support Stacking or MLAG, but the smart managed pro switches do not. By FS on July 19, 2021
Q:
Are rack mount kits included on the switch #72944? By Guinn on July 18, 2021

A:
I have purchsed this switch, and it includes rack mount kits. By FS on July 20, 2021
Q:
Can you give me a pointer on how to change that to 192.168.1.7 via the webinterface? By Demar on July 12, 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 July 12, 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 July 6, 2021

A:
Recommended use #S3900-24T4S, Fanless, suitable for your use. By FS on July 6, 2021
Q:
Can you recommend a substitute for MikroTik CSS610-8G-2S+IN (CSS610-8G-2SPLIN)? By Kujawa on June 23, 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 June 25, 2021
Q:
Does this switch need a license? By Portugal on June 18, 2021

A:
The functions were all activated When I received the device, I can use it directly without license activation. By FS on June 18, 2021
Q:
Is it possible to install a different OS? By Capps on June 10, 2021

A:
FS has their own FS OS system, also convenient and reliable. By FS on June 11, 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 May 31, 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 May 31, 2021
Q:
How many switch stacks does it support at most? By Duell on May 31, 2021

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

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

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

A:
I bought some pcs and they are working well. A cost-effective choice. By FS on May 18, 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 May 14, 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 May 14, 2021
Q:
Is it possible to use the S3900-24T4S switch to connect 2 routers and have traffic segmentation for those? By Butcher on May 12, 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 May 13, 2021
Q:
Is this switch also manageable via CLI and not only https / Web-based? By Adam Harper on May 12, 2021

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

A:
Max Power Consumption is 21W, the idle or average watt consumption is around 60% of maximum power consumption. By FS on May 12, 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 May 10, 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 May 10, 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 May 10, 2021

A:
Both cat6 or cat6a cable will work. By FS on May 10, 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 May 10, 2021

A:
In page 4 of the link of datasheet: https://img-en.fs.com/file/datasheet/s3900-series-switches-datasheet.pdf, you can find 802.1x authentication is supported. By FS on May 10, 2021
Q:
I believe S3900-24T4S supports intervlan routing but i cannot find it in the documentation. please help to confirm By Zee on May 9, 2021

A:
check this one: https://img-en.fs.com/file/user_manual/s3900-series-switches-configuration-guide.pdf By FS on May 10, 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 May 8, 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 May 8, 2021
Q:
May I know the MTBF for S3900-24T4S? By Maximo on May 7, 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 May 7, 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 May 7, 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 May 8, 2021
Q:
Where can I find the newest firmware? By Karp on May 6, 2021

A:
Here you go! You can find all the related documents here. https://www.fs.com/products_support/c/1g-10g-switches-3256?model=S3900-24T4S By FS on May 6, 2021
Q:
Does this particular model support IGMP v3 and flow control? By Guinn on May 5, 2021

A:
It seems that it only supports flow control not IGMP v3, but the working performance is really great~ By FS on May 5, 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 May 5, 2021

A:
It doesn't support OSPF dynamic routing. By FS on May 10, 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 May 4, 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 February 8, 2021
Q:
Does S3900-24T4S support 1G SFP? I want to use my old SFP. By Curamuels on April 29, 2021

A:
I asked the same question last week, and my account manager told me YES. By FS on April 29, 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 April 28, 2021

A:
Of course! I use all the SFP+ ports to connect other switches in our lab. No only for stacking. By FS on April 28, 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 April 24, 2021

A:
By FS on
Q:
Can I use my copper module on 10G Uplink? By Sitton on April 14, 2021

A:
I think the answer is yes as this is what I do By FS on May 5, 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 April 6, 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 April 7, 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 March 18, 2021

A:
Hello, 2.5G is not supported. By FS on March 18, 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 October 19, 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 October 20, 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 August 26, 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 August 27, 2020
Q:
After the S3900 switches are stacked, the device has lost the stacking port. What is the reason? By henson on June 19, 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 June 19, 2020
Q:
Why is the calendar set time of the switch restored after restarting? By Emoef on June 18, 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 June 18, 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 June 16, 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 June 16, 2020
Q:
Can the stacking and LACP functions of the S3900 be used together? By Helfer on June 15, 2020

A:
Yes, after the S3900 switches are stacked, they are logically one device and can implement LACP with other devices. By FS on June 15, 2020
Q:
Hello, why do I fail to upload firmware to the S3900 switch when upgrading the switch? By Dennis Haislip on June 12, 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 June 12, 2020
Q:
When configuring QinQ, how many QinQ can be configured for each port? By Jimmina on June 10, 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 June 10, 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 June 9, 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 June 9, 2020
Q:
Does the QinQ function of S3900 series switches support no vlan tags or add double vlan tags? By Jamange on June 9, 2020

A:
The S3900 series switches don't support no vlan tags or add double vlan tags yet, but the S58 series switches support these. By FS on June 9, 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 June 8, 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 June 8, 2020
Q:
How to enable the IGMP Snooping function of S3900 series switches? By Danny on June 6, 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 June 6, 2020
Q:
Does S3900 series switch support 100M transceiver modules? By Jeffers on June 3, 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 June 3, 2020
Q:
management IP By J. L. on June 1, 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 June 1, 2020
Q:
What is the command to enable igmp snooping on S3900 series switches? By Lawrence on May 28, 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 May 28, 2020
Q:
Does the S3900-24T4S switch have Trunk function? If it supports it, does it support Dot1Q? By Huff on May 22, 2020

A:
Yes, the S3900-24T4S switch supports dot1q encapsulation in trunk and trunk modes. By FS on May 22, 2020
Q:
What is the stacking connection between S3900 switches? By Dougsrose on May 20, 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 May 20, 2020
Q:
Can different models of S3900 series switches be stacked? By Johgan on May 19, 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 May 19, 2020
Q:
Can the S3900 series switches modify the IP address of the management port through the web? By Tony Lee on May 14, 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 May 14, 2020
Q:
Does all ports of S3900 series switches support viewing DDM information? By Alford on May 8, 2020

A:
The S3900 series switches currently support 10G ports to view DDM information. By FS on May 8, 2020
Q:
Which switches in FS support stacking? By Trevor on May 2, 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 May 2, 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 April 29, 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 Configuration Guide and the stacking can be referred on page 134. By FS on April 30, 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 April 23, 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 April 23, 2020
Q:
What's the LACP limit entries of two 72944 stacks? I need more than 8. By Spigner on April 16, 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 April 16, 2020
Q:
if I create vlan 2 and vlan 3and create virtual interfaces on each can I route between them？ By Jed on April 13, 2020

A:
Yes, you can. This could work, and you can refer on page 24 and 25 of the S3900 Series Switches Configuration Guide . By FS on April 13, 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 April 7, 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 April 7, 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 March 17, 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 March 18, 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 February 20, 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 February 20, 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 February 17, 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 February 18, 2020
Q:
Does this switch support QinQ and vlan translation? By Gepack on February 11, 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 February 12, 2020
Q:
Can you forward multiple vlans to another device connected to an sfp port? By Gary.Ogden on January 24, 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 January 31, 2020
Q:
Does the sfp+ port support syncing on 2.5G? By Gary.Ogden on January 24, 2020

A:
S3900-24T4S switch does not support slowing down the 10G SFP+ port to 2.5G. By FS on January 31, 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 November 27, 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 November 27, 2019
Q:
set-up a port-mirror on the switch By Ajay.Sharma on November 14, 2019

A:
S3900 series switches support port-based isolation. The detailed configuration guide, please kindly check the page 415 of the S3900 Series CLI Reference Guide. By FS on November 16, 2019
Q:
Can the S3400-24T4FP switch be stacked with the S3900 series switches? By Jon Baer on October 20, 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 October 20, 2019
Q:
Is this switch available with DC power supplies? By Tim.Nowaczyk on October 2, 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 October 3, 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 September 20, 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 September 23, 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 July 21, 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 July 22, 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 July 5, 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 July 9, 2019
Q:
Are the SFP+ ports compatible with 10GBASE-T modules, such as FS P/N: SFP-10G-T? By Zan on May 9, 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 May 10, 2019
Q:
Does this switch work with a "C60 10G DWDM SFP+ 100GHz 80km Module, Cisco Compatible" transceiver? By Chinmay on April 22, 2019

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

A:
S3900 series switches support port-based isolation. The detailed configuration guide, please kindly check the page 415 of the S3900 Series CLI Reference Guide. By FS on April 8, 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 April 4, 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 April 5, 2019
Q:
Is #72944 compatible with SFP-GE-L? By Eswaran on March 14, 2019

A:
Yes, the #72944 S3900-24T4S can be compatible with SFP-GE-L transceiver modules. By FS on March 14, 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 March 2, 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 March 4, 2019
Q:
Is there a POE version of the S3900-24T4S Fanless 24-Port By Erick on January 30, 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 January 31, 2019
Q:
Do you have a PoE switch that is able to stack with this one? By Bruno Silva on January 22, 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 January 23, 2019
Q:
Can we do most of basic configuration trough Webui ? including bandwidth limiting ? By Mathieu on January 19, 2019

A:
You can do most of basic configuration through Webui including bandwidth limiting, port settings, vlan settings and etc. By FS on January 21, 2019
Q:
Do your switch report PSU status ? are we going to be noticied if a PSU fail ? By mathieu on January 19, 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 January 21, 2019
Q:
Does this switch support LACP / port-channels, MSTP and/or PVSTP? By Niels.van Adrichem on January 10, 2019

A:
Our S3900-24T4S switch can support LACP and MSTP. By FS on January 11, 2019
Q:
Does this switch have POE? If not do you have a quiet 24port with POE? By Bob on November 28, 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 December 4, 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 November 27, 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 November 28, 2018
Q:
Are 10Gb SFP ports available for normal use, or only for stacking ? By crond on November 14, 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 November 15, 2018
Q:
is it suitable to use with sfp SFP1G-SX-31 transceiver? By IT9-Vincenzo on November 13, 2018

A:
Yes, it is suitable to use with SFP1G-SX-31 transceiver. Pls rest assured. By FS on November 14, 2018
Q:
Is the configuration via SSH or console similar to Cisco? Also, does FS keep the firmware up to date? By dragonforge on October 3, 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 October 4, 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 September 24, 2018

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

A:
The S3900-24T4S can support stacking. There are 10G fiber port on switch, the stacking cables are 10G DAC. By FS on September 21, 2018

Explore

Explore

FS S3900 SERIES SWITCHES

Overview

How to Configure MAC Address-based VLAN on FS S3900 Series Switches?

MAC Address-based VLAN Application on FS S3900 Series Switches

How to Implement MAC Address-based VLAN on FS S3900 Series Switches?

MAC Address-based VLAN Configuration Roadmap of S3900 Series Switches

S3900 Series Switches MAC Address-based VLAN Configuration via CLI

1. Check the MAC addresses of the PC1/ PC2 (PC1: E4-54-E8-9D-AB-42; PC2: 8C-EC-4B-4F-77-E2).

2. Create VLAN 10 on the S3900-24T4S switch 1 and set the IP address.

3. Configure the eth1/1 of the S3900-24T4S switch 1 as hybrid port and remove the tags of VLAN 10.

4. Configure the MAC addresses of the PC1 and PC2 and associate them with VLAN 10 (support priority setting and generally the default VLAN is 0).

5. Verify the configuration. Use ping commands to inquiry the IP address of VLAN 10 on the PC1.

Use ping commands to inquiry the IP address of VLAN 10 on the PC2.

Connect the PC2 with the S3900-24T4S switch 2 (the MAC address of the PC2 is not associated with VLAN 10) and use the ping commands to inquiry the IP address of VLAN 10 of S3900-24T4S switch 1.

S3900 Series Switches MAC Address-based VLAN Configuration via Web GUI

1. Switch Management > VLAN > Static VLAN >VLAN Management > New, create new VLAN on the switch.

2. Enter the VLAN-MAC-Based Vlan interface and associate the MAC address with VLAN 10 in PC1. At the same time, you can choose the priority setting and generally the default VLAN is 0 (the processes of the PC2 are same to the PC1).

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