For the router APS features (which differ from APS than say, the transport/optical products or some of the different platform specific varieties) you point the ip address of the loopback on the router where the protect lives. Always point it at the loopback. So, if you have W and P in the same router, then the protect statement would point to your own loopback ip address.
This will work, however it will not give you card protection, or chassis protection - only circuit and port level protection.
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...