import-rib route next-hop-invariable

Function

The import-rib route next-hop-invariable command configures a VPN instance to retain the original next hops of imported routes when advertising these routes to its IBGP peers.

The undo import-rib route next-hop-invariable command restores the default configuration.

By default, a VPN instance changes the next hops of imported routes to its own next hop when advertising these routes to its IBGP peers.

Format

import-rib route next-hop-invariable

undo import-rib route next-hop-invariable

Parameters

None

Views

BGP-labeled VPN instance IPv4 address family view, BGP-VPN instance IPv4 address family view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
bgp	write

Usage Guidelines

Usage Scenario

To enable a VPN instance to retain the original next hops of imported routes when advertising these routes to its IBGP peers, run the import-rib route next-hop-invariable command for the VPN instance.

Example

# Configure a VPN instance to retain the original next hops of imported routes when advertising these routes to its IBGP peers.

<HUAWEI> system-view
[~HUAWEI] ip vpn-instance vpna
[*HUAWEI-vpn-instance-vpna] ipv4-family
[*HUAWEI-vpn-instance-vpna-af-ipv4] route-distinguisher 100:1
[*HUAWEI-vpn-instance-vpna-af-ipv4] vpn-target 111:1 both
[*HUAWEI-vpn-instance-vpna-af-ipv4] quit
[*HUAWEI-vpn-instance-vpna] quit
[*HUAWEI] bgp 100
[*HUAWEI-bgp] ipv4-family vpn-instance vpna
[*HUAWEI-bgp-vpna] import-rib route next-hop-invariable