If you have protocols that cannot be routed you can use a bridge group.
If you want to extend a LAN over a point-to-point WAN link (without routing, which requires different IP Subnet) you can use a bridge group to "bridge" the traffic over the link to the remote location.
IP access-lists do not have effect on bridged traffic. In that case you need to use mac access-lists to prevent traffic from being forwarded. It is possible to both bridge and route traffic, to do this I recommend you to read the documention on transparent bridging, Integrated Routing and Bridging (IRB) and Concurrent Routing and Briding (CRB).
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...