bridge-id
To set the bridge ID for this device for an Access Gateway instance, use the bridge-id command in MSTAG interface configuration, REPAG Interface configuration, PVSTAG VLAN configuration, or PVRSTAG VLAN configuration submode.
bridge-id id [startup-value startup-id]
Syntax Description
id |
MAC address of the switch. It can be any 48-bit value. |
startup-value |
Specifies an alternate value to use when the interface first comes up, while the preempt delay timer is running. |
startup-id |
Sets the startup bridge ID. |
Command Default
For MSTAG/REPAG, the MAC address of the switch. For PVSTAG/PVRSTAG, the interface MAC address.
If no startup value is specified, the normal value is used during startup.
Command Modes
MSTAG interface configuration, REPAG Interface configuration, PVSTAG VLAN configuration, PVRSTAG VLAN configuration
Command History
Release |
Modification |
---|---|
Release 3.7.1 |
This command was introduced. |
Release 4.0.0 |
This command was supported in the PVSTAG VLAN configuration and PVRSTAG VLAN configuration submodes. |
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
When configuring access gateway, this command is used to modify the value of the bridge ID that is advertised in the STP BPDUs.
Task ID
Task ID |
Operations |
---|---|
interface ( for MSTAG/REPAG) |
read, write |
ethernet-services ( for PVSTAG/PVRSTAG) |
read, write |
Examples
The following example shows how to set the bridge ID:
RP/0/RSP0/CPU0:router(config-mstag-if)# bridge-id 001c.0000.0011