285
4. Configure BGP on Switch C:
# Establish two IBGP connections to Switch A.
<SwitchC> system-view
[SwitchC] bgp 200
[SwitchC-bgp] peer 3.0.1.1 as-number 200
[SwitchC-bgp] peer 2.0.1.1 as-number 200
[SwitchC-bgp] address-family ipv4 unicast
[SwitchC-bgp-ipv4] peer 3.0.1.1 enable
[SwitchC-bgp-ipv4] peer 2.0.1.1 enable
[SwitchC-bgp-ipv4] quit
[SwitchC-bgp] quit
# Enable BFD for peer 3.0.1.1.
[SwitchC-bgp] peer 3.0.1.1 bfd
[SwitchC-bgp] quit
[SwitchC] quit
Verifying the configuration
# Display detailed BFD session information on Switch C.
<SwitchC> display bfd session verbose
Total Session Num: 1 Up Session Num: 1 Init Mode: Active
IPv4 Session Working Under Ctrl Mode:
Local Discr: 513 Remote Discr: 513
Source IP: 3.0.2.2 Destination IP: 3.0.1.1
Session State: Up Interface: N/A
Min Tx Inter: 500ms Act Tx Inter: 500ms
Min Rx Inter: 500ms Detect Inter: 2500ms
Rx Count: 135 Tx Count: 135
Connect Type: Indirect Running Up for: 00:00:58
Hold Time: 2457ms Auth mode: None
Detect Mode: Async Slot: 0
Protocol: BGP
Diag Info: No Diagnostic
The output shows that a BFD session has been established between Switch A and Switch C.
# Display BGP peer information on Switch C.
<SwitchC> display bgp peer ipv4
BGP local router ID: 3.3.3.3
Local AS number: 200
Total number of peers: 2 Peers in established state: 2
Peer AS MsgRcvd MsgSent OutQ PrefRcv Up/Down State
2.0.1.1 200 4 5 0 0 00:01:55 Established
3.0.1.1 200 4 5 0 0 00:01:52 Established
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