Features That Affect MLS
This section describes how certain features affect MLS.
Access Lists
The following sections describe how access lists affect MLS.
Input Access Lists
Router interfaces with input access lists cannot participate in MLS. If you configure an input access list on an interface, all packets for a flow that are destined for that interface go through the router (even if the flow is allowed by the router, it is not Layer 3 switched). Existing flows for that interface get purged and no new flows are cached.
Note
Any input access list can be translated to an output access list to provide the same effect on the interface.
Output Access Lists
If an output access list is applied to an interface, the MLS cache entries for that interface ...
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