3com S7906E Instruccion De Instalación
1-34
Configure automatic soft-reset
After route refresh is enabled for peers and then a policy is modified, the router advertises a
route-refresh message to the peers, which then resend their routing information to the router. In this way,
the router can perform dynamic route update and apply the new policy without tearing down BGP
connections.
Follow these steps to enable BGP route refresh for a peer/peer group:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Enable BGP route refresh for a
peer/peer group
peer/peer group
peer { group-name |
ip-address }
capability-advertise
route-refresh
ip-address }
capability-advertise
route-refresh
Optional
Enabled by default
Configure manual soft-reset
If a BGP peer does not support route-refresh, you need to save updates from the peer on the local
router by using the peer keep-all-routes command. When a route selection policy is modified, you can
use the refresh bgp command to refresh the BGP routing table by applying the new policy.
Following these steps to save all route updates from a peer/peer group:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Disable BGP route-refresh and
multi-protocol extension capability for a
peer/peer group
multi-protocol extension capability for a
peer/peer group
peer { group-name |
ip-address }
capability-advertise
conventional
ip-address }
capability-advertise
conventional
Optional
Enabled by default
Save all routes from a peer/peer group
peer { group-name |
ip-address } keep-all-routes
ip-address } keep-all-routes
Optional
Not saved by default
Return to user view
return
—
Perform manual soft reset on BGP
connections
connections
refresh bgp { all | ip-address
| group group-name |
external | internal } { export
| import }
| group group-name |
external | internal } { export
| import }
Required
Enabling the BGP ORF Capability
The BGP Outbound Route Filter (ORF) feature allows a BGP speaker to send to its BGP peer a set of
ORFs through Route-refresh messages. The peer then applies the ORFs, in addition to its local routing