R3721-F3210-F3171-HP High-End Firewalls Network Management Configuration Guide-6PW101

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However, if a peer not supporting route-refresh exists in the network, you need to configure the peer
keep-all-routes command to save all routes from the peer, which are used during applying the new route
selection policy.
1. Configure automatic soft-reset
After route refresh is enabled for peers and a policy is modified, the router advertises a
route-refresh message to the peers, which then resend their routing information to the router. After
receiving the routing information, the router performs dynamic route update by using the new
policy.
To enable BGP route refresh for a peer/peer group:
Ste
p
Command Remarks
1. Enter system view.
system-view
N/A
2. Enter BGP view.
bgp as-number N/A
3. Enable BGP route refresh for a
peer/peer group.
peer { group-name | ip-address }
capability-advertise route-refresh
Optional.
Enabled by default.
2. 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, and use the refresh bgp command to refresh
the BGP routing table.
Following these steps to save all route updates from a peer/peer group:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter BGP view.
bgp as-number N/A
3. Disable BGP route-refresh and
multi-protocol extension
capability for a peer/peer
group.
peer { group-name | ip-address }
capability-advertise conventional
Enabled by default.
4. Save all routes from a peer/peer
group
peer { group-name | ip-address }
keep-all-routes
Required
Not saved by default
5. Return to user view
return N/A
6. Perform manual soft reset on
BGP connections
refresh bgp { all | ip-address | group
group-name | external | internal }
{ export | import }
Required
NOTE:
If the BGP peer does not support route-refresh and the peer keep-all-routes command is not configured
for it, you need to decide whether to manually disconnect the peer to learn routes again accordin
g
to the
impact of the new policy.
Enabling the BGP ORF capability
The BGP Outbound Route Filtering (ORF) feature allows a BGP speaker to send 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, reducing the number of exchanged Update messages and
saving network resources.