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Command Usage
• The MAC Address Table contains the MAC addresses associated with each
interface. Note that the Type field may include the following types:
• Learned - Dynamic address entries
• Permanent - Static entry
• Delete-on-reset - Static entry to be deleted when system is reset
• The mask should be hexadecimal numbers (representing an equivalent bit
mask) in the form xx-xx-xx-xx-xx-xx that is applied to the specified MAC
address. Enter hexadecimal numbers, where an equivalent binary bit “0” means
to match a bit and “1” means to ignore a bit. For example, a mask of
00-00-00-00-00-00 means an exact match, and a mask of FF-FF-FF-FF-FF-FF
means “any.”
• The maximum number of address entries is 8191.
Example
mac-address-table aging-time
This command sets the aging time for entries in the address table. Use the no form
to restore the default aging time.
Syntax
mac-address-table aging-time seconds
no mac-address-table aging-time
seconds - Aging time. (Range: 10-1000000 seconds; 0 to disable aging)
Default Setting
300 seconds
Command Mode
Global Configuration
Command Usage
The aging time is used to age out dynamically learned forwarding information.
Example
Console#show mac-address-table
Interface Mac Address Vlan Type
--------- ----------------- ---- -----------------
Eth 1/ 1 00-e0-29-94-34-de 1 Delete-on-reset
Console#
Console(config)#mac-address-table aging-time 100
Console(config)#