RRPhysical Topology II

• Symptom routerD#traceroute 7.1.1.1 1 1.1.1.2 24 msec 24 msec 40 msec rtrB 2 156.1.1.1 28 msec 48 msec 24 msec rtrC 3 156.1

4 156.1

5 156.1

6 156.1

1.2 24 msec 24 msec 24 msec

1.1 28 msec 28 msec 24 msec

1.2 28 msec 28 msec 28 msec 1.1 28 msec 28 msec 32 msec

1.2 24 msec 24 msec 24 msec

1.1 28 msec 28 msec 24 msec

1.2 28 msec 28 msec 28 msec 1.1 28 msec 28 msec 32 msec

Lines Represent Physical Connections

0901_04F9_c3 © 1999, Cisco Systems, Inc.

routerC#show ip bgp 7.0.0.0

BGP routing table entry for 7.0.0.0/8

150.10.10.1 (metric 115) from 150.10.10.1 (150.20.20.1) Origin IGP, valid, external, best routerC#show ip route 150.10.10.1 Routing entry for 150.10.10.1/32 Routing Descriptor Blocks: * 156.1.1.1, from 150.20.20.1, via Ethernet2/1/1

routerB#show ip bgp 7.0.0.0

BGP routing table entry for 7.0.0.0/8

156.1.1.2 from 156.1.1.2 (212.212.212.1) Origin IGP, valid, internal, best routerB#show ip route 156.1.1.2 Routing entry for 156.1.1.0/24 Routing Descriptor Blocks: * directly connected, via Ethernet1

0901_04F9_c3

S 1999, Cisco Systems, Inc.

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