Bgp Gr Configuration Example - HP 6125G Configuration Manual

[SwitchC-route-policy] if-match acl 2000
[SwitchC-route-policy] apply local-preference 200
[SwitchC-route-policy] quit
# Apply routing policy localpref to routes from peer 193.1.1.1.
[SwitchC] bgp 200
[SwitchC-bgp] peer 193.1.1.1 route-policy localpref import
[SwitchC-bgp] quit
# Display the routing table on Switch D.
[SwitchD] display bgp routing-table
Total Number of Routes: 2
BGP Local router ID is 194.1.1.1
Status codes: * - valid, ^ - VPNv4 best, > - best, d - damped,
*>i 1.0.0.0
* i
Route 1.0.0.0/8 from Switch D to Switch C is the optimal.

BGP GR configuration example

Network requirements
All switches run BGP in
Switch C are connected over an IBGP connection. Enable GR capability for BGP so that the
communication between Switch A and Switch C is not affected when a master/slave switchover occurs
on Switch B.
Figure 69 Network diagram
Configuration procedure
Configure Switch A:
1.
# Configure IP addresses for interfaces. (Details not shown.)
# Configure the EBGP connection.
<SwitchA> system-view
[SwitchA] bgp 65008
[SwitchA-bgp] router-id 1.1.1.1
[SwitchA-bgp] peer 200.1.1.1 as-number 65009
h - history,
Origin : i - IGP, e - EGP, ? - incomplete
Network NextHop
193.1.1.1
192.1.1.1
Figure 69. Between Switch A and Switch B is an EBGP connection. Switch B and
i - internal, s - suppressed, S - Stale
MED LocPrf
0 200
0 100
180
PrefVal Path/Ogn
0 100i
0 100i