FS joins hands with Ixia, the industry switch test authority, to run performance benchmark tests based on RFC 2544 for FS S3900 series switches. The S3900 series consists 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.
The Ixia test results based on RFC2544 on FS S3900 series switches mainly focus on throughput, frame loss rate and latency, which are important hardware features when judging the performance of a network switch. Key Findings in the test results are as following:
Throughput：All the throughput results reach the corresponding standard for Gigabit ports and 10G ports.
Frame Loss Rate: The frame loss rate of the three Gigabit switches is 0%, meaning no frame loss at all.
Latency: The latency ranges from 0-45k ns on 1G ports and 0-6k ns on 10G ports, surpasses the required 50-125k ns for Gigabit ports and 5-50k ns for 10G ports on the whole market.
The Ixia test with Ixia XGS12-SDL chassis starts by sending frames at the specified rate and the frames are sent from and received at the Ixia device, by which the real throughput, frame loss rate and latency of the S3900 switch are recorded.
Ixia test reports reveal the real performance of throughput, frame loss rate and switch latency of FS S3900 series switches (S3900-24T4S, S3900-24F4S, and S3900-48T4S) with visualized data.
Throughput is defined as the maximum forwarding rate that a network switch can achieve without losing a single packet. The measure of packet forwarding line rate is based on the number of 64-byte packets (minimum packets) sent per unit time. The standard packet forwarding rate is 1.488 Mpps for a Gigabit Ethernet port and 14.88 Mpps for a 10G port when forwarding a 64-byte packet. Here are the theoretical forwarding rate/throughput of the three S3900 switches.
|1G Port Number||24||24||48|
|10G Port Number||4||4||4|
|Theoretical Throughput||95 Mpps||95 Mpps||130 Mpps|
Both 1G and 10G ports of the three S3900 switches are tested. The real throughput of the three Gigabit switches all reaches the theoretical number. Take four 10G ports of S3900-24T4S as an example.
The real forwarding rate/throughput of the four 10G ports is 59523809.4 FPS (based on 64 bytes). Thus, the real average forwarding rate for each 10G port is 14880952.35 FPS (14.880952.35 Mpps), which is almost the same as the theoretical forwarding rate 14.88 Mpps. Similarly, the real average forwarding rate for each 1G port is 1.488 Mpps, the same as the theoretical rate. Real throughput of FS S3900 series switches tested by Ixia:
|Real 1G Port Throughput||35.71 Mpps||35.71 Mpps||71.42 Mpps|
|Real 10G Port Throughput||59.52 Mpps||59.52 Mpps||59.52 Mpps|
|Real Overall Throughput||95.23 Mpps||
|Theoretical Throughput||95 Mpps||95 Mpps||130 Mpps|
Defined as the percentage of frames that should have been forwarded by a network but were not, the frame loss rate is closely associated with the overall performance of a device service. None of the three FS S3900 Gigabit stackable switches lose packet or frame under Ixia test. The frame loss rate of them is 0%, which is exactly the same as the theoretical situation.
Switch forwarding latency is the amount of time it takes for the switch to move a packet from its incoming port to its outgoing port. Essentially, the latency test measures how quickly a switch can forward a packet. Normally, the switch latency for the Gigabit Ethernet switch ranges from 50~125 µs (50-125k ns) and 10GbE switch from 5~50 µs (5~50k ns). The shorter a latency is, the better the performance of a switch is.
For S3900 series Gigabit switches, the switch latency of Gigabit ports even ranges from 0~45k ns, shorter than the normal 50-125k ns. It indicates that this switch has a much better performance in latency than "standard" situations.
The FS S3900 series managed stackable Gigabit switches are quality-assured network switches with high throughput, no frame loss, and low latency. The highest throughput is up to 130 Mpps at 100% line rate, the same as the theoretical number. The frame loss rate reaches the best value of 0% and the latency ranges from 0-45k ns on 1G ports and 0-6k ns on 10G ports, which is much lower than the average of the whole market indicating excellent low latency performance.
After the S3900 switches are stacked, the device has lost the stacking port. What is the reason? By henson on June 19, 2020
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
Why is the calendar set time of the switch restored after restarting? By Emoef on June 18, 2020
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
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
Can the stacking and LACP functions of the S3900 be used together? By Helfer on June 15, 2020
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
Hello, why do I fail to upload firmware to the S3900 switch when upgrading the switch? By Dennis Haislip on June 12, 2020
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
Does the S3900 switch support https import certificates? By Shuford on June 11, 2020
Yes, but there are some requirements for the size of the certificate, the maximum is 5KB and the key is 2KB. By FS on June 11, 2020
When configuring QinQ, how many QinQ can be configured for each port? By Jimmina on June 10, 2020
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
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
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
Does the QinQ function of S3900 series switches support no vlan tags or add double vlan tags? By Jamange on June 9, 2020
The S3900 series switches don't support no vlan tags or add double vlan tags yet, but the S58 series switches support these. For more information, please feel free to contact firstname.lastname@example.org. By FS on June 9, 2020
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