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Configuring the MAC Table Timeout Interval
By default, the timeout interval for all entries in the MAC table is 300 seconds. You can modify the timeout interval for MAC table entries on an MX Series router. You cannot modify the timeout interval only for specific MAC table entries, such as for a bridge domain or a virtual switch.
 | Note: The timeout interval applies only to dynamically learned MAC addresses. This value does not apply to configured static MAC addresses, which never time out. |
To modify the timeout interval for the MAC table for the entire routing platform, include the global-mac-table-aging-time seconds statement at the [edit protocols l2-learning] hierarchy level:
[edit protocols l2-learning]global-mac-table-aging-time seconds;
The range for seconds is from 10 through 1,000,0000.
