Triggering The Layer 2 Consistency Checker - Cisco Nexus 3000 Series Configuration Manual

Triggering the Layer 2 Consistency Checker

Table 8: MAC Address Configuration Verification Commands
Command
show mac-address-table aging-time
show mac-address-table
show mac address-table loop-detect
This example shows how to display the MAC address table:
switch# show mac-address-table
VLAN
---------+-----------------+-------+---------+------------------------------
1
1
Total MAC Addresses: 2
This example shows how to display the current aging time:
switch# show mac-address-table aging-time
Vlan
----- ----------
1
13
42
This example shows how to display the currently configured action:
switch# configure terminal
switch(config)# show mac address-table loop-detect
Port Down Action Mac Loop Detect : enabled
switch# configure terminal
switch(config)# no mac address-table loop-detect port-down
switch(config)# show mac address-table loop-detect
Port Down Action Mac Loop Detect : disabled
Triggering the Layer 2 Consistency Checker
You can manually trigger the Layer 2 consistency checker to compare the hardware and software configuration
of MAC addresses and display the results. It displays MAC addresses that are configured in the software, but
not configured in the hardware, as well as MAC addresses that are configured in the hardware, but not in the
software. To manually trigger the Layer 2 consistency checker and display the results, use the following
command in any mode:
Cisco Nexus 3000 Series NX-OS Layer 2 Switching Configuration Guide, Release 6.x
132
MAC Address Type
0018.b967.3cd0 dynamic 10
001c.b05a.5380 dynamic 200
Aging Time
300
300
300
Purpose
Displays the MAC address aging time for all VLANs
defined in the switch.
Displays the contents of the MAC address table.
IGMP snooping learned MAC addresses are
Note
not displayed.
Displays the currently configured action.
Age Port
Eth1/3
Eth1/3
Configuring MAC Address Tables
OL-29545-03