How to check the MAC address of a Huawei switch

You can view a Huawei switch's MAC address using commands like display bridge mac-address, display mac-address, or display system-mac depending on the switch model and the type of MAC address you...

How to check the MAC address of a Huawei switch

You can view a Huawei switch's MAC address using commands like display bridge mac-address, display mac-address, or display system-mac depending on the switch model and the type of MAC address you need.

Viewing the Switch's Own MAC Address

  • System MAC (Device MAC): Use the command display bridge mac-address to see the switch's system MAC address, which is shared by the management interface and Layer 2 physical interfaces on most models .
  • S9300 Series: Use display system-mac to view the device MAC .
  • Layer 2 Interface MAC: On S2700, S5700, and S6700, the MAC of the Layer 2 interface represents the device's MAC .

Viewing Learned MAC Addresses

  • MAC Address Table: Use display mac-address to see all MAC addresses learned by the switch, including the VLAN ID, outbound interface, and entry type (dynamic or static), .
  • Filtering by VLAN or Interface: You can specify a VLAN or interface to narrow the results:

    display mac-address vlan <vlan-id>display mac-address interface <interface-type> <interface-number>

  • Verbose Output: Add the verbose parameter to get detailed information about each MAC entry .

Viewing MAC Addresses via IP

  • ARP Table: Use display arp to see IP-to-MAC mappings for devices that have communicated with the switch. You can filter by interface to find MAC addresses associated with a specific IP .

Additional Tools

  • Interface Status: display interface brief shows which interfaces are up and can help identify connected devices .
  • LLDP Neighbors: display lldp neighbor lists neighboring devices and their MAC addresses, useful for network topology mapping .

Summary

  • System MAC: display bridge mac-address or display system-mac
  • Learned MACs: display mac-address (optionally filtered by VLAN or interface)
  • IP-to-MAC: display arp
  • Interface and Neighbor Info: display interface brief and display lldp neighbor These commands allow network administrators to efficiently manage and troubleshoot MAC addresses on Huawei switches across different series and models.
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