Understanding Ping; Executing Ping - Cisco IE 3000 Software Configuration Manual

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Troubleshooting

Understanding Ping

The switch supports IP ping, which you can use to test connectivity to remote hosts. Ping sends an echo

request packet to an address and waits for a reply. Ping returns one of these responses:

Beginning in privileged EXEC mode, use this command to ping another device on the network from the

ping ip host | address

Though other protocol keywords are available with the ping command, they are not supported in this

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

Normal response—The normal response (hostname is alive) occurs in 1 to 10 seconds, depending

on network traffic.

Destination does not respond—If the host does not respond, a no-answer message is returned.

Unknown host—If the host does not exist, an unknown host message is returned.

Destination unreachable—If the default gateway cannot reach the specified network, a

destination-unreachable message is returned.

Network or host unreachable—If there is no entry in the route table for the host or network, a

network or host unreachable message is returned.

describes the possible ping character output.

Ping Output Display Characters

Each exclamation point means receipt of a reply.

Each period means the network server timed out while waiting for a reply.

A destination unreachable error PDU was received.

A congestion experienced packet was received.

User interrupted test.

Ping a remote host through IP or by supplying the hostname or

network address.

Cisco IE 3000 Switch Software Configuration Guide

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