
8
2 * * *
3 * * *
4 * * *
5
<DeviceA>
The output shows that Device A and Device C cannot reach other, Device A and Device B can reach each
other, and an error has occurred on the connection between Device B and Device C. In this case, use the
debugging ip icmp
command to enable ICMP debugging on Device A and Device C to check whether
the devices send or receive the specified ICMP packets, or use the
display ip routing-table
command to
display whether Device A and Device C can reach each other.