Try your hand at WAN troubleshooting.
No walkthrough for this lab. Configure the network above. Your WAN will work using HDLC automatically. Ping across the Serial link to ensure that it is working. Then, break the network in the following ways.
- Change the encapsulation type on Router B to PPP (thus breaking the link at layer 2). Do this with the following configuration:
RouterB(config-if . . .
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