Stacking on FS S3410 Series Switches

Posted on Oct 18, 2023 by

In today's ever-evolving digital landscape, network efficiency is paramount. The ability to seamlessly manage your network, scale it according to your needs, and ensure redundancy can make or break your operations. This is where network stacking comes into play, and the FS S3410 Series Switches are at the forefront of providing robust solutions for efficient stack configuration.

Understanding Network Stacking

Before we delve into the specifics of configuring network stacks with FS S3410 Series Switches, let's understand what network stacking is and why it's so crucial. Network stacking is the process of interconnecting multiple switches to form one logical unit. This unit operates as a single switch, allowing for centralized management and shared resources. The advantages are multifaceted:

  • Scalability: As your network grows, so does your need for more ports and better performance. Network stacking allows you to expand your network with ease.

  • Redundancy: Network stack setups provide redundancy, ensuring that if one switch fails, the others seamlessly take over, minimizing downtime.

  • Improved Network Performance: By consolidating switches into a stack, you increase bandwidth, improve network performance, and reduce latency.

Introduction to FS S3410 Series Switches

Benefits of Stacking S3410 Switches

At the core of mastering network stacking are the FS S3410 Series Switches. These managed switches are built to deliver exceptional performance and facilitate stack configuration. They come with features that make them an ideal choice for network stacking:

  • High Port Density: The S3410 Series offers a wide range of port options, ensuring you can accommodate your entire network in the stack.

  • Advanced Management: These switches provide robust management capabilities, making it easy to configure and maintain your stack.

  • PoE Functionality: Some models of the S3410 Series are Power over Ethernet (PoE) capable, simplifying the power supply to connected devices.

  • Redundancy: With redundant power supplies and hot-swappable fans, these switches are designed for 24/7 reliability.

  • Enhanced Security: Robust security features, such as Access Control Lists (ACLs) and port isolation, help safeguard your network.

Stacking Basic Information

Three S3410 series switch models support virtual stacking, which means all of them can be configured into a virtual stack using the Ethernet ports in front of the switch panels. From the chart below you can find basic information about Stacking on S3410 series switches.

Part Name
Stacking Technology
Virtual stacking via Ethernet ports
Stack Ports
Port 25-28 (4*1G)
Port 25-26 (2*10G)
Port 49-50 (2*10G)
Supported stack
Stack with other
S3410-24TF-P or S3910-48TF
with the same OS version
Stack with other
S3410-24TS-P or S3410-48TS-P
with the same OS version
Stack with other
S3410-24TS-P or S3410-48TS-P
with the same OS version
Maximum number
of VSL links
Number of members

The two switches to set up a stack must be running the same software version. For the latest S3410 series switch version, please check the Technical Documents.

Stacking Port Display

This figure 1 shows the locations of ports that can be used as stack ports on the switches, and the stacking ports can both be used as business ports.

S3410 Series Switches Stacking Port

Figure 1: Stacking Ports of S3410 Series Switches

Recommended Stacking Connection

The S3410 series uses service ports to set up a stack, thus there is no need to buy proprietary stack cards or cables for establishing a stack. As shown in the figure below, the 10G SFP+ ports are used for stacking.

S3410 -48TS-P Stacking

Figure 2: Stacking S3410 Series Switches via 10G SFP+ Ports

FS provides three solutions to establish a stack using standard service ports. For those who need cost-effective stack solutions, DAC cables are enough. While for those who emphasize stability, AOC or optical cables in combination with optical transceivers are the better choices.

For transceivers or DAC/AOC cables applicable for S3410 series switches, please check:

Stacking Configuration Settings Reference

For details about the configuration settings on S3410 series switches, please see page 1638 of the Configuration Guide.

S3410 Switch Stack Troubleshooting FAQ

Q: My S3410 stack isn't forming. What should I check?
A: First, verify that you are using the correct stacking cables. Check the stack ID and ensure the primary switch is configured correctly. Ensure the stack ports are free of physical damage.
Q: How can I resolve issues with a new member switch not joining the stack?
A: Double-check the connections, ensure the member switch is properly configured to join the stack, and verify the stack's software versions are consistent.
Q: What to do when a stack member switch is constantly rebooting?
A: This might indicate power issues or corrupted firmware. Check power sources, cables, and try updating the firmware. If it persists, contact support.
Q: My stack's performance has dropped. How can I troubleshoot it?
A: Start by checking network traffic and CPU usage. Consider adjusting Quality of Service (QoS) settings, and ensure you have the latest firmware.
Q: How do I recover a stack after a failed software upgrade?
A: Perform a recovery procedure. Consult the user manual for detailed instructions. It often involves rebooting switches and selecting the correct software version.
Q: Why is my stack showing an "inconsistent" status?
A: It's likely due to firmware version mismatch. Ensure all stack members have the same software version, and then reboot.
Q: What should I do if a stack member switch loses connectivity?
A: Check cables, network configuration, and the health of the member switch. Reboot the disconnected switch if necessary.
Q: I'm facing erratic network behavior with the stack. How can I diagnose it?
A: Investigate network issues systematically. Start with cables and physical connections, review configurations, and monitor traffic for irregularities.

By following these troubleshooting tips, you can resolve common stack-related problems with your S3410 switches and ensure a more reliable and efficient network. If issues persist, consult the user manual or contact our support team for further assistance.


Mastering stack configuration with FS S3410 Series Switches is crucial for efficient, scalable, and high-performance networks. Explore FS's solutions for enhanced network efficiency. Your network deserves it.

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