Reference Guide

500 | Layer 2
www.dell.com | support.dell.com
Set the Aging Time for Dynamic Entries
Learned MAC addresses are entered in the table as dynamic entries, which means that they are subject to
aging. For any dynamic entry, if no packet arrives on the switch with the MAC address as the source or
destination address within the timer period, the address is removed from the table. The default aging time
is 1800 seconds.
Configure a Static MAC Address
A static entry is one that is not subject to aging. Static entries must be entered manually:
Display the MAC Address Table
To display the contents of the MAC address table:
MAC Learning Limit
This section has the following sub-sections:
Task Command Syntax Command Mode
Disable MAC address aging for all dynamic
entries.
mac-address-table aging-time 0 CONFIGURATION
Specify an aging time. mac-address-table aging-time seconds
Range: 10-1000000
CONFIGURATION
Task Command Syntax Command Mode
Create a static MAC address entry in the MAC address table. mac-address-table static CONFIGURATION
Task Command Syntax
Command
Mode
Display the contents of the MAC address table.
• address displays the specified entry.
• aging-time displays the configured aging-time.
• count displays the number of dynamic and static entries
for all VLANs, and the total number of entries.
• dynamic displays only dynamic entries
• interface displays only entries for the specified
interface.
• static displays only static entries.
• vlan displays only entries for the specified VLAN.
show mac-address-table [address |
aging-time [vlan vlan-id]| count |
dynamic | interface | static | vlan]
EXEC Privilege