On Nexus platform, there does not appear to be any 'group' option.ASW3(config)# snmp-server ? aaa-user Set duration for which aaa-cached snmp user exists community Set community string and access privs contact Modify ...
Did you ever get a response to this issue? I am finding the same problem, only with no port channels. A few times a week, all the neighbors of this 4509 will time out and send Peer Termination messages, and then almost instantly the neighbors are red...