Gaia VRRP setup guide
From cpwiki.net
chkpfw2> add mcvr vrid 100 priority 95 priority-delta 10 chkpfw2> add mcvr vrid 100 backup-address 172.16.31.1 chkpfw2> add mcvr vrid 100 backup-address 192.168.1.1 chkpfw2> save config