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Examples
# C on f i gu r e t h e r o u te r I D f or B G P a s 1.1.1.1.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] router-id 1.1.1.1
Related commands
• router id (system view)
• router-id (BGP-VPN instance view)
router-id (BGP-VPN instance view)
Use router-id to configure a router ID for a BGP VPN instance.
Use undo router-id to remove the router ID for a BGP VPN instance.
Syntax
router-id { router-id | auto-select }
undo router-id
Default
A BGP VPN instance uses the router ID configured in BGP view. If no router ID is configured in BGP view,
the BGP VPN instance uses the global router ID configured in system view.
Views
BGP-VPN instance view
Predefined user roles
network-admin
Parameters
router-id: Specifies a router ID in IP address format.
auto-select: Automatically selects a router ID for the BGP VPN instance.
Usage guidelines
To run BGP, a VPN instance must have a router ID, which is an unsigned 32-bit integer that uniquely
identifies the BGP VPN router in the AS.
To improve availability, specify the IP address of a loopback interface as the router ID.
You can specify a different router ID for each VPN instance on a device.
If you execute this command in the same BGP-VPN instance view multiple times, the most recent
configuration takes effect.
If the auto-select keyword is specified, the system selects a router ID for the BGP VPN instance in the
following order:
1. The highest loopback address in the BGP VPN instance as the router ID.
2. The highest physical interface address in the BGP VPN instance as the router ID, regardless of the
interface status.
3. 0.0.0.0 as the router ID.
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