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Procedure
1. Enter system view.
system-view
2. Configure the MAC Information mode.
mac-address information mode { syslog | trap }
The default setting is trap.
Setting the MAC change notification interval
About the MAC change notification interval
To prevent syslog messages or SNMP notifications from being sent too frequently, you can set the
MAC change notification interval to a larger value.
Procedure
1. Enter system view.
system-view
2. Set the MAC change notification interval.
mac-address information interval interval
The default setting is 1 second.
Setting the MAC Information queue length
About the MAC Information queue length
If the MAC Information queue length is 0, the device sends a syslog message or SNMP notification
immediately after learning or deleting a MAC address.
If the MAC Information queue length is not 0, the device stores MAC changes in the queue:
• The device overwrites the oldest MAC change written into the queue with the most recent MAC
change when the following conditions exist:
{ The MAC change notification interval does not expire.
{ The queue has been exhausted.
• The device sends syslog messages or SNMP notifications only if the MAC change notification
interval expires.
Procedure
1. Enter system view.
system-view
2. Set the MAC Information queue length.
mac-address information queue-length value
The default setting is 50.
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