Chapter 17
| Address Table Commands
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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: 6-7200 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(config)#mac-address-table aging-time 100
Console(config)#
mac-address-table
mac-isolation
This command enables MAC isolation globally on the switch. Use the no form to
disable this feature.
Syntax
[no] mac-address-table mac-isolation
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
â—† MAC address isolation provides tighter control over traffic passing from
downlink ports over the local network. Access for individual clients can be
restricted to uplink ports, or also to members within a shared community.
â—† MAC address isolation is restricted to static MAC addresses, which must also
specify the isolation mode, using the mac-address-table static isolation
command.
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