3Com S7906E - Switch, Руководство по настройке

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1-7
You must configure the debugging , terminal debugging and terminal monitor commands first to
display the detailed debugging information on the terminal. For the detailed description on the terminal
debugging and terminal monitor commands, refer to Information Center Commands in the System
Volume .
Ping and Tracert Configuration Example
Network requirements
As shown in Figure 1-4 , Device A failed to telnet Device C. Now it is required to determine whether an
available route exists between Device A and Device C. If no such a route exists, you need to locate the
failed nodes in the network.
Figure 1-4 Ping and tracert network diagram
Configuration procedure
# Use the ping command to display whether an available route exists between Device A and Device C.
<DeviceA> ping 1.1.2.2
PING 1.1.2.2: 56 data bytes, press CTRL_C to break
Request time out
Request time out
Request time out
Request time out
Request time out
--- 1.1.2.2 ping statistics ---
5 packet(s) transmitted
0 packet(s) received
100.00% packet loss
# No such a route exists. Use the tracert command to determine failed nodes.
<DeviceA> system-view
[DeviceA] ip ttl-expires enable
[DeviceA] ip unreachables enable
[DeviceA] tracert 1.1.2.2
traceroute to 1.1.2.2(1.1.2.2) 30 hops max,40 bytes packet, press CTRL_C to bre
ak
1 1.1.1.2 14 ms 10 ms 20 ms
2 * * *
3 * * *