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Examples of Verifying BGP Information
The following example shows viewing a BGP configuration.
R2# show running-config bgp
!
router bgp 2
neighbor 1.1.1.2 remote-as 1
neighbor 1.1.1.2 no shutdown
neighbor 2.2.2.2 remote-as 1
neighbor 2.2.2.2 no shutdown
neighbor 3.3.3.2 remote-as 1
neighbor 3.3.3.2 no shutdown
bfd all-neighbors
The following example shows viewing all BGP neighbors.
R2# show bfd neighbors
* - Active session role
Ad Dn - Admin Down
B - BGP
C - CLI
I - ISIS
O - OSPF
R - Static Route (RTM)
M - MPLS
V - VRRP
LocalAddr RemoteAddr Interface State Rx-int Tx-int Mult Clients
* 1.1.1.3 1.1.1.2 Te 6/0 Up 100 100 3 B
* 2.2.2.3 2.2.2.2 Te 6/1 Up 100 100 3 B
* 3.3.3.3 3.3.3.2 Te 6/2 Up 100 100 3 B
The following example shows viewing BFD neighbor detail. The bold lines show the BFD session
parameters: TX (packet transmission), RX (packet reception), and multiplier (maximum number of missed
packets).
R2# show bfd neighbors detail
Session Discriminator: 9
Neighbor Discriminator: 10
Local Addr: 1.1.1.3
Local MAC Addr: 00:01:e8:66:da:33
Remote Addr: 1.1.1.2
Remote MAC Addr: 00:01:e8:8a:da:7b
Int: TenGigabitEthernet 6/0
State: Up
Configured parameters:
TX: 100ms, RX: 100ms, Multiplier: 3
Neighbor parameters:
TX: 100ms, RX: 100ms, Multiplier: 3
Actual parameters:
TX: 100ms, RX: 100ms, Multiplier: 3
Role: Active
Delete session on Down: True
Client Registered: BGP
Uptime: 00:07:55
Statistics:
Number of packets received from neighbor: 4762
Number of packets sent to neighbor: 4490
Number of state changes: 2
Number of messages from IFA about port state change: 0
Bidirectional Forwarding Detection (BFD)
143