IS-IS Lab 9 Troubleshoot Summarization

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Download Lab: VIRL | EVE-NG | GNS3

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 Cisco IOSv (vios-adventerprisek9-m.vmdk.SPA.156-2.T)

This is the problem-solving lab, there is a configuration error related to the summarization in this topology that prevents some hosts on the network to communicate. You need to find the solution to fix the issue, use your knowledge of integrated IS-IS protocol to restore proper network operation. 

Router B3 in the area B200, unable to ping the IP address of router A1's loopback interface. The IP address is


Restore connectivity to the area A100, successful ping will prove that the network problem has been resolved.


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