Bfd For Bgp Configuration Example - HP 5500 EI series Configuration Manual

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[RouterC-bgp-ipv4] peer 9.1.1.1 enable
Verifying the configuration
Ping Router C on Router A. Meanwhile, perform an active/standby switchover on Router B. The ping
operation is successful during the whole switchover process.

BFD for BGP configuration example

Network requirements
As shown in
Run OSPF in AS 200.
Establish two IBGP connections between Router A and Router C. When both paths are working,
Router C adopts the path Router A<—>Router B<—>Router C to communicate with network
1.1.1.0/24. Configure BFD over the path. If the path fails, BFD can quickly detect the failure and
notify it to BGP. Then the path Router A<—>Router D<—>Router C takes effect immediately.
Figure 71 Network diagram
Configuration procedure
1.
Configure IP addresses for interfaces. (Details not shown.)
2.
Configure OSPF so that Router A and Router C can reach each other. (Details not shown.)
Configure BGP on Router A:
3.
# Establish two IBGP connections to Router C.
<RouterA> system-view
[RouterA] bgp 200
[RouterA-bgp] peer 3.0.2.2 as-number 200
[RouterA-bgp] peer 2.0.2.2 as-number 200
[RouterA-bgp] address-family ipv4 unicast
[RouterA-bgp-ipv4] peer 3.0.2.2 enable
[RouterA-bgp-ipv4] peer 2.0.2.2 enable
[RouterA-bgp-ipv4] quit
# Create ACL 2000 to permit 1.1.1.0/24 to pass.
[RouterA] acl number 2000
[RouterA-acl-basic-2000] rule permit source 1.1.1.0 0.0.0.255
Figure
71,
276

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