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Catalyst 2960 and 2960-S Switch Software Configuration Guide
OL-8603-09
Chapter 38 Troubleshooting
Using Layer 2 Traceroute
Executing Ping
Beginning in privileged EXEC mode, use this command to ping another device on the network from the
switch:
Note Though other protocol keywords are available with the ping command, they are not supported in this
release.
This example shows how to ping an IP host:
Switch# ping 172.20.52.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echoes to 172.20.52.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
Switch#
Table 38-1 describes the possible ping character output.
To end a ping session, enter the escape sequence (Ctrl-^ X by default). Simultaneously press and release
the Ctrl, Shift, and 6 keys and then press the X key.
Using Layer 2 Traceroute
These sections contain this information:
• Understanding Layer 2 Traceroute, page 38-16
• Usage Guidelines, page 38-16
• Displaying the Physical Path, page 38-17
Command Purpose
ping ip host | address Ping a remote host through IP or by supplying the hostname or
network address.
Table 38-1 Ping Output Display Characters
Character Description
! Each exclamation point means receipt of a reply.
. Each period means the network server timed out while waiting for a reply.
U A destination unreachable error PDU was received.
C A congestion experienced packet was received.
I User interrupted test.
? Unknown packet type.
& Packet lifetime exceeded.