User guide

1032 Brocade 6910 Ethernet Access Switch Configuration Guide

53-1002581-01

Using the Ping Function

Showing the MTU for Responding Destinations

Use the IP > IPv6 Configuration (Show MTU) page to display the maximum transmission unit (MTU)

cache for destinations that have returned an ICMP packet-too-big message along with an

acceptable MTU to this switch.

CLI References

• “show ipv6 mtu” on page 610

Parameters

These parameters are displayed:

Interface

To show the MTU reported from other devices:

1. Click IP, IPv6 Configuration.

2. Select Show MTU from the Action list.

FIGURE 327 Showing Reported MTU Values

Using the Ping Function

Use the IP > General > Ping page to send ICMP echo request packets to another node on the

network.

CLI References

• “ping” on page 595

Parameters

These parameters are displayed:

• Host Name/IP Address – IP address or alias of the host.

TABLE 182 Show MTU - display description

Field Description

MTU Adjusted MTU contained in the ICMP packet-too-big message returned from this

destination, and now used for all traffic sent along this path.

Since Time since an ICMP packet-too-big message was received from this destination.

Destination Address Address which sent an ICMP packet-too-big message.