3Com Switch 4800G 24-Port - Page 397

BGP Configuration Examples 397
Peer V AS MsgRcvd MsgSent OutQ PrefRcv Up/Down State
9.1.1.2 4 65009 56 56 0 0 00:40:54 Established
9.1.3.2 4 65009 49 62 0 0 00:44:58 Established
200.1.1.2 4 65008 49 65 0 1 00:44:03 Established
You can find Switch B has established BGP connections to other switches.
# Display BGP routing table information 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, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin:i-IGP, e - EGP, ? - incomplete
Network NextHop MED LocPrf PrefVal Path/Og
n
*> 8.0.0.0 0.0.0.0 0 0 i
# Display BGP routing table information 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, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin:i-IGP, e - EGP, ? - incomplete
Network NextHop MED LocPrf PrefVal Path/Ogn
*> 8.0.0.0 200.1.1.2 0 0 65008i
# 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, > - best, d - damped,
h - history, i - internal, s - suppressed, S - Stale
Origin:i-IGP, e - EGP, ? - incomplete
Network NextHop MED LocPrf PrefVal Path/Ogn
i 8.0.0.0 200.1.1.2 0 100 0 65008i
n
From the above outputs, you can find Switch A has learned no route to AS77009,
and Switch C has learned network 8.0.0.0 but the next hop 200.1.1.2 is
unreachable, so the route is invalid.
4 Redistribute direct routes
# Configure Switch B.
[SwitchB] bgp 65009
[SwitchB-bgp] import-route direct
# Display BGP routing table information on Switch A.