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Incident 7

Figure 1-13. Incident 7 Diagram

Image

Users on Sw3 VLAN30 have reported that they cannot see a route to 120.100.13.0/24 used to access services advertised behind a firewall with a next-hop address of Sw1’s Loopback11 interface.

Investigate the issue and ensure that the static route on Sw1 can be seen within Sw3’s routing table over OSPF as follows:

Sw3# show ip route ospf
     10.0.0.0/26 is subnetted, 2 subnets
O E2    10.20.20.0 [110/20] via 120.100.37.7, 00:20:31, Vlan37
     120.0.0.0/24 is subnetted, 6 subnets
O IA    120.100.12.0 [110/3] via 120.100.37.7, 00:20:36, Vlan37
O E2    120.100.13.0 [110/20] via 120.100.37.7, 00:00:22, Vlan37
O IA    120.100.14.0 [110/2] via 120.100.37.7, 00:20:36, Vlan37
O IA    120.100.11.0 [110/3] via 120.100.37.7, 00:20:36, Vlan37


  

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