MAC filters are configured in the config>filter>mac-filter context. The mac-filter command causes all the packets matching the explicitly defined list of entry IDs to be mirrored to the mirror destination specified by the service-id of the mirror source.
debug>mirror-source# mac-filter mac-filter-id entry entry-id[entry-id …]
*A:ALA-2>debug>mirror-source# mac-filter 12 entry 15 20 25