hsrp v4 and v6 mac

HSRPv6:

0005.73A0.0000 through 0005.73A0.0FFF (4096 addresses

 udp/2029

 hsrp v4 must be enabled

 HSRPv4:
 0000.0c07.ac00 through 0000.0c07.acFF
 The mac changes with the group ID
 interface x
   standby