A L2 sub-interface is a logical bridging endpoint associated with traffic on an interface distinguished by 802.1Q tags, where each <interface, 802.1q tag> tuple is treated as a first class bridging interface.

 

A layer 3 subinterface is a logical endpoint associated with traffic on an interface distinguished by 802.1Q tags, where each interface, 802.1Q tag tuple, is treated as a routing interface.

Subinterfaces EOS 4.29.2F

This feature allows the user to configure ACLs on L3 subinterfaces. These ACLs are implemented as router ACLs (with

ACL Subinterfaces EOS 4.21.6F