H3C Technologies H3C S7500E Series Switches - Manual (Page 239)

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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 { group-name |
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
peer { group-name |
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
Optional
Not saved by default
Return to user view return —
Perform manual soft reset on BGP
connections
refresh bgp { all | ip-address |
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
policies (if any), to filter updates to the BGP speaker, thus reducing the number of exchanged Update
messages and saving network resources.
After you enable the BGP ORF capability, the local BGP router negotiates the ORF capability with the
BGP peer through Open messages (that is, determine whether to carry ORF information in messages;