The AAA Server Statistics- server availability, allows comparison of various statistical details among the servers.
Right-click the device, then select AAA.
Click Statistics Summary, then click Server Availability.
The following information appears:
Curr State Duration (casCurrentStateDuration)
Prev State Duration (casPreviousStateDuration)
AAA Servers Table index.
Protocol used with server.
tacacsplus(1) represents TACACS+
radius(2) represents RADIUS
Server IP address.
Current state of server.
up(1) represents server responding to requests.
dead(2) means server failed to respond.
A server is marked dead when it does not respond after maximum retransmissions.
A server is marked up either after a waiting period or when some response is received.
Initial value of casState is 'up(1)' at system reinitialization. It transitions to 'dead(2)' when an attempt to communicate fails.
Time elapsed since server reached its current state, as shown in casState.
Time elapsed since server reached its previous state prior to the most recent transition of casState.
This value is zero if the server has not changed state.
Time elapsed since casState value of server reached dead(2) although system was not reinitialized.
Number of times casState value of server transitioned to dead(2) since system reinitialization.