A SAN switch serial number is a unique identifier required when logging support tickets, verifying hardware warranties, or planning fabric maintenance. Whether you manage enterprise Fibre Channel fabrics or basics of SAN switch setups, quickly retrieving this data via command line interface (CLI) is an essential storage administrator skill.
While management GUIs like Brocade Network Advisor or Cisco DCNM offer graphical views, CLI access is faster and often the only option during outages. In this comprehensive guide, we will cover how to find SAN switch serial numbers across major vendor platforms including Brocade, Cisco MDS, and HPE SN series switches.
How To Find Serial Number Of Brocade SAN Switch?
To find a Brocade SAN switch serial number, log in to the switch using SSH or PuTTY with admin credentials. Once logged in, execute the Broadcom Fibre Channel documentation referenced command:
switch1:admin> chassisShow

The output of the chassisShow command displays two serial numbers. The first entry is typically the factory serial number tied directly to the manufacturer, while the bottom entry indicates the supplier or OEM serial number.
If you cannot access the CLI, you can inspect the physical hardware label, which is located on the rear pull-out tab or chassis bezel.

How To Find Cisco MDS Switch Serial Number?
For Cisco MDS series switches running NX-OS, you can retrieve the backplane serial number and hardware identifiers via CLI using the following command:
switch# show sprom backplane 1

Additionally, according to Cisco Systems technical documentation, you can run show inventory to get a detailed list of modules, Power Supply Units (PSUs), and fan trays along with their respective serial numbers and Product IDs (PIDs).
How To Find HPE SN Series SAN Switch Serial Number?
If your environment utilizes HPE SN series switches (OEM Brocade or QLogic-based switches), you can log in through the management IP and run system information queries or check the chassis status via HPE Support Center guidelines:
switch:admin> chassisshow
For modular director-class switches or standalone storage routers, checking the asset tag sticker on the sliding rail or pull-out ID tab is a reliable offline method.
Conclusion
Knowing how to accurately retrieve your SAN switch serial number via CLI ensures rapid vendor support engagement and prevents configuration mistakes during maintenance windows. To dive deeper into switch management, explore our guides on what is zoning and port channel configuration.
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