vrrp_instance pihole {
  state BACKUP
  interface end0

  unicast_src_ip 192.168.88.15
  unicast_peer {
    192.168.88.101
  }

  virtual_router_id 1 
  priority 9 
  advert_int 1

  authentication {
    auth_type PASS
    auth_pass Ct7wV69c
  }

  virtual_ipaddress {
    192.168.88.5/24
  }
}