Specifying a preferred value for routes received

Perform this task to set a preferred value for specific routes to control BGP path selection.

Among multiple routes that have the same destination/mask and are learned from different peers, the one with the greatest preferred value is selected as the optimal route.

To specify a preferred value for routes from a peer or peer group (IPv4):

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter BGP view or BGP-VPN instance view.

  • Enter BGP view:bgp as-number

  • Enter BGP-VPN instance view:

    1. bgp as-number

    2. ip vpn-instance vpn-instance-name

N/A

3. Enter BGP IPv4 unicast address family view or BGP-VPN IPv4 unicast address family view.

address-family ipv4 [ unicast ]

N/A

4. Specify a preferred value for routes received from a peer or peer group.

peer { group-name | ip-address } preferred-value value

The default preferred value is 0.

To specify a preferred value for routes from a peer or peer group (IPv6):

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter BGP view or BGP-VPN instance view.

  • Enter BGP view:bgp as-number

  • Enter BGP-VPN instance view:

    1. bgp as-number

    2. ip vpn-instance vpn-instance-name

N/A

3. Enter BGP IPv6 unicast address family view or BGP-VPN IPv6 unicast address family view.

address-family ipv6 [ unicast ]

N/A

4. Specify a preferred value for routes received from a peer or peer group.

peer { group-name | ipv6-address } preferred-value value

The default preferred value is 0.