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[RouterB] display bgp routing-table ipv4
Total number of routes: 1
BGP local router ID is 2.2.2.2
Status codes: * - valid, > - best, d - damped, h - history,
s - suppressed, S - Stale, i - internal, e - external
Origin: i - IGP, e - EGP, ? - incomplete
Network NextHop MED LocPrf PrefVal Path/Ogn
* >e 8.1.1.0/24 3.1.1.2 0 0 65008i
# Display the BGP routing table on Router C.
[RouterC] display bgp routing-table ipv4
Total number of routes: 1
BGP local router ID is 3.3.3.3
Status codes: * - valid, > - best, d - damped, h - history,
s - suppressed, S - Stale, i - internal, e - external
Origin: i - IGP, e - EGP, ? - incomplete
Network NextHop MED LocPrf PrefVal Path/Ogn
i 8.1.1.0/24 3.1.1.2 0 100 0 65008i
The outputs show that Router A has no route to AS 65009, and Router C has learned network
8.1.1.0, but the next hop 3.1.1.2 is unreachable. As a result, the route is invalid.
4. Redistribute direct routes:
Configure BGP to redistribute direct routes on Router B, so Router A can obtain the route to
9.1.1.0/24, and Router C can obtain the route to 3.1.1.0/24.
# Configure Router B.
[RouterB] bgp 65009
[RouterB-bgp] address-family ipv4 unicast
[RouterB-bgp-ipv4] import-route direct
[RouterB-bgp-ipv4] quit
[RouterB-bgp] quit
# Display the BGP routing table on Router A.
[RouterA] display bgp routing-table ipv4
Total number of routes: 4
BGP local router ID is 1.1.1.1
Status codes: * - valid, > - best, d - damped, h - history,
s - suppressed, S - Stale, i - internal, e - external
Origin: i - IGP, e - EGP, ? - incomplete
Network NextHop MED LocPrf PrefVal Path/Ogn
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