
10-3
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 10 Checking Port Status and Connectivity
Displaying MAC Addresses
Displaying MAC Addresses
In addition to displaying the MAC address range for a module using the
show module
command, you
can display the MAC address table information of a specific MAC address or a specific interface in the
switch using the
show mac-address-table address
and
show mac-address-table interface
commands.
This example shows how to display MAC address table information for a specific MAC address:
Switch#
show mac-address-table address 0050.3e8d.6400
vlan mac address type protocol qos ports
-----+---------------+--------+---------+---+--------------------------------
200 0050.3e8d.6400 static assigned -- Switch
100 0050.3e8d.6400 static assigned -- Switch
5 0050.3e8d.6400 static assigned -- Switch
4 0050.3e8d.6400 static ipx -- Switch
1 0050.3e8d.6400 static ipx -- Switch
1 0050.3e8d.6400 static assigned -- Switch
4 0050.3e8d.6400 static assigned -- Switch
5 0050.3e8d.6400 static ipx -- Switch
100 0050.3e8d.6400 static ipx -- Switch
200 0050.3e8d.6400 static ipx -- Switch
100 0050.3e8d.6400 static other -- Switch
200 0050.3e8d.6400 static other -- Switch
5 0050.3e8d.6400 static other -- Switch
4 0050.3e8d.6400 static ip -- Switch
1 0050.3e8d.6400 static ip -- Route
1 0050.3e8d.6400 static other -- Switch
4 0050.3e8d.6400 static other -- Switch
5 0050.3e8d.6400 static ip -- Switch
200 0050.3e8d.6400 static ip -- Switch
100 0050.3e8d.6400 static ip -- Switch
Switch#
This example shows how to display MAC address table information for a specific interface:
Switch#
show mac-address-table interface gigabit 1/1
Multicast Entries
vlan mac address type ports
-------+---------------+-------+-------------------------------------------
1
ffff.ffff.ffff system Switch,Gi6/1,Gi6/2,Gi6/9,Gi1/1
Switch#
Checking Cable Status Using Time Domain Reflectometer
The Time Domain Reflectometer (TDR) feature allows you to determine if cable is OPEN or SHORT
when it is at fault.
Overview
With TDR, you can check the status of copper cables on the 48-port 10/100/1000 BASE-T modules for
the Catalyst 4500 series switch. TDR detects a cable fault by sending a signal through the cable and
reading the signal that is reflected back. All or part of the signal can be reflected back either by cable
defects or by the end of the cable.
Содержание Catalyst 4500 Series
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