Thanks for the data.There are ways to troubleshoot this in the system, specifically performing debugs for netstack and usng elam on both the bridge asic and the forwarding engine on the egress linecard to verify if the hellos are sent form the cpu, ...
if this is CatOS and you are in binary config mode, you don't need to save the config like in IOS devices. The config is always updated with every config change you make.If you want to dump the config as ASCII to another device you can 'copy run slot...
As a side note, aggressive timers for HSRP are not required for vlans mapped to the peer-link in vPC configurations as both switches are actively forwarding in hardware for the virtual ip.Try setting timers to default, remove authentication text (the...