Using Ping; Understanding Ping - Cisco ME 3400 Software Configuration Manual

Ethernet access switch

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Using Ping

These sections contain this information:

The Cisco ME 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.

The Cisco ME switch also provides the Control Plane Security feature, which by default drops ping

response packets received on user network interfaces (UNIs) or enhanced network interfaces (ENIs).

However, methods are available to ping successfully from the switch to a host connected to a UNI or

Control Plane Security does not drop ping response packets to or from network node interfaces (NNIs),

and no special configuration is required to enable pings to or from hosts connected to NNIs.

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

ping [host | address]

Ping is not supported on a UNI or ENI configured as an IEEE 802.1Q tunnel port.

Ping is supported on NNIs on all software images.

It is important to note that the software images available for the switch provide different options for

pinging a host connected to a UNI or ENI:

The next sections apply to both access ports and trunk ports.

Cisco ME 3400 Ethernet Access Switch Software Configuration Guide

Understanding Ping, page 10

Using Ping, page 10

Metro IP access image that supports IP routing

Metro access image

Metro base image

Ping a remote host by supplying the hostname or IP network

Though other protocol keywords are available with the

ping command, they are not supported in this release.

Troubleshooting

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