Im confused about the Active and Standby timers used within HSRP. From the Cisco website:
ACTIVE TIMER: This timer is used to monitor the active router. This timer starts any time an active router receives a hello packet. This timer expires in accordance with the hold time value that is set in the related field of the HSRP hello message.
STANDBY TIMER: This timer is used in order to monitor the standby router. The timer starts any time the standby router receives a hello packet. This timer expires in accordance with the hold time value that is set in the respective hello packet.
Are these timers used by other routers to montor the active and standby routers? or are these timers local to the active and standby router? and if so what happens if they stop recieving the hellos?