Router_B#debug ip packet
IP packet debugging is on
Router_B#
01:19:13: IP: s=10.0.0.10 (Serial0/1), d=192.168.1.1, len 60, rcvd 4
01:19:13: IP: s=192.168.1.1 (local), d=10.0.0.10 (Serial0/1), len 60, sending
01:19:14: IP: s=10.0.0.10 (Serial0/1), d=192.168.1.1, len 60, rcvd 4
01:19:14: IP: s=192.168.1.1 (local), d=10.0.0.10 (Serial0/1), len 60, sending
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