Using XPL to Filter the BGP4+ Routes to Be Received

A BGP4+ device can use a route-filter to filter the routes to be received and modify route attributes to control network traffic forwarding paths.

Context

A BGP4+ device can use a route-filter to filter the routes to be received from all its peers or peer groups or only from a specified peer or peer group.

Procedure

Configure a BGP4+ device to filter the routes to be received from all its peers or peer groups.
Perform the following steps on the BGP4+ device:
1. Run system-view
  The system view is displayed.
2. Run bgp { as-number-plain | as-number-dot }
  The BGP view is displayed.
3. Run ipv6-family unicast
  The IPv6 unicast address family view is displayed.
4. Run route-filter route-filter-name import
  The BGP4+ device has been configured to filter the routes to be received from all its peers or peer groups.
5. Run commit
  The configuration is committed.
Configure a BGP4+ device to filter the routes to be received from a specified peer or peer group.
Perform the following steps on the BGP4+ device:
1. Run system-view
  The system view is displayed.
2. Run bgp { as-number-plain | as-number-dot }
  The BGP view is displayed.
3. Run ipv6-family unicast
  The IPv6 unicast address family view is displayed.
4. Run peer ipv6-address route-filter route-filter-name import
  The BGP4+ device has been configured to filter the routes to be received from the specified peer or peer group.
5. Run commit
  The configuration is committed.