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Hands-on Lab

155

i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2,

* - candidate default

U - per-user static route, o - ODR

Gateway of last resort is not set

172.16.0.0/16 is variably subnetted, 3 subnets, 2

masks

C 172.16.241.0/24 is directly connected, Loopback0

O IA 172.16.20.4/30 [110/74] via 10.11.230.21,

00:00:48, Ethernet0

C 172.16.10.4/30 is directly connected, Serial0

10.0.0.0/24 is subnetted, 1 subnets

C 10.11.230.0 is directly connected, Ethernet0

RouterB#

RouterC#sho ip ospf neigh

Neighbor ID Pri State Dead Time Address Interface

172.16.10.6 1 FULL/BDR 00:00:34 10.11.230.20 Ethernet0

172.16.240.1 1 FULL/ - 00:00:36 172.16.20.5 Serial0

RouterC#sho ip route

Codes: C - connected, S - static, I - IGRP, R - RIP,

M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF

inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA

external type 2

E1 - OSPF external type 1, E2 - OSPF external