3Com S7906E Configuration Manual page 816

[SwitchB] bgp 65009
[SwitchB-bgp] peer 3.1.1.2 as-number 65008
[SwitchB-bgp] quit
# Display BGP peer information on Switch B.
[SwitchB] display bgp peer
BGP local router ID : 2.2.2.2
Local AS number : 65009
Total number of peers : 2
Peer
3.3.3.3
3.1.1.2
The output shows that Switch B has established an iBGP peer relationship with Switch C and an eBGP
peer relationship with Switch A.
# Display the BGP routing table on Switch A.
[SwitchA] display bgp routing-table
Total Number of Routes: 1
BGP Local router ID is 1.1.1.1
Status codes: * - valid, ^ - VPNv4 best, > - best, d - damped,
h - history,
Origin : i - IGP, e - EGP, ? - incomplete
Network
*> 8.1.1.0/24
# Display the BGP routing table on Switch B.
[SwitchB] display bgp routing-table
Total Number of Routes: 1
BGP Local router ID is 2.2.2.2
Status codes: * - valid, ^ - VPNv4 best, > - best, d - damped,
h - history,
Origin : i - IGP, e - EGP, ? - incomplete
Network
*> 8.1.1.0/24
# Display the BGP routing table on Switch C.
[SwitchC] display bgp routing-table
Total Number of Routes: 1
BGP Local router ID is 3.3.3.3
Status codes: * - valid, ^ - VPNv4 best, > - best, d - damped,
h - history,
Origin : i - IGP, e - EGP, ? - incomplete
Network
i 8.1.1.0/24
From the above outputs, you can find Switch A has learned no route to AS65009, and Switch C has
learned network 8.1.1.0 but the next hop 3.1.1.2 is unreachable, so the route is invalid.
AS MsgRcvd MsgSent OutQ PrefRcv Up/Down
65009 4
65008 2
i - internal, s - suppressed, S - Stale
NextHop MED
0.0.0.0 0
i - internal, s - suppressed, S - Stale
NextHop MED
3.1.1.2 0
i - internal, s - suppressed, S - Stale
NextHop MED
3.1.1.2 0
1-47
Peers in established state : 2
4 0 0 00:02:49 Established
2 0 0 00:00:05 Established
LocPrf PrefVal Path/Ogn
0
LocPrf PrefVal Path/Ogn
0
LocPrf PrefVal Path/Ogn
100 0
State
i
65008i
65008i