Example 368 debug ip rip Output Reveals That Nothing Is Being Sent or Received on R1s Ethernet0 Interface

R1#debug ip rip

RIP protocol debugging is on R1#

Solution

RIP runs above Layer 2. RIP cannot send or receive any routes if Layer 2 is down.

To correct this problem, Layer 2 or Layer 1 must be corrected. Sometimes, the problem could be as simple as loose cables or a bad cable that must be replaced, or it could be as complex as bad hardware, in which case hardware must be replaced.

Example 3-69 shows the interface Ethernet 0 after fixing the Layer 2 problem.

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