HSRP version Multicast Switch Settings

To setting hsrp is something like this :

int fa0/0
ip add 34.34.115.1 255.255.255.0
standby 0 ip 34.34.115.8

to know the multicast ip and port used by the system, use this :

debug ip packet detail

*Mar  1 00:54:07.423: IP: s=34.34.115.8 (local), d=224.0.0.2 (Vlan123), len 48, sending broad/multicast
*Mar  1 00:54:07.427:     UDP src=1985, dst=1985







the multicast ip and port number
Ip=224.0.0.2 source port=1985 destination port=1985