vrrp_sync_group G1 {   # must be before vrrp_instance declaration
  group {
    VI_1
    VI_2
  }
  notify_master /etc/conntrackd/script_master.sh
  notify_backup /etc/conntrackd/script_backup.sh
}

vrrp_instance VI_1 {
    interface eth1
    state SLAVE
    virtual_router_id 61
    priority 80
    advert_int 3
    authentication {
      auth_type PASS
      auth_pass papas_con_tomate
    }
    virtual_ipaddress {
        192.168.0.100   # default CIDR mask is /32
    }
}

vrrp_instance VI_2 {
    interface eth0
    state SLAVE
    virtual_router_id 62
    priority 80
    advert_int 3
    authentication {
      auth_type PASS
      auth_pass papas_con_tomate
    }
    virtual_ipaddress {
        192.168.1.100
    }
}