ESR series service routers.ESR-Series. User manual
Additionally, the following protocols must be allowed in the security zone-pair trusted self:
master(config)# security zone-pair trusted self
master(config-zone-pair)# rule 66
master(config-zone-pair-rule)# action permit
master(config-zone-pair-rule)# match protocol vrrp
master(config-zone-pair-rule)# enable
master(config-zone-pair-rule)# exit
master(config-zone-pair)# rule 67
master(config-zone-pair-rule)# action permit
master(config-zone-pair-rule)# match protocol udp
master(config-zone-pair-rule)# match destination-port failover
master(config-zone-pair-rule)# enable
master(config-zone-pair-rule)# exit
master(config-zone-pair)# exit
View the status of VRRP processes using the following command:
master# show vrrp 
Virtual router   Virtual IP                          Priority   Preemption   State    
--------------   ---------------------------------   --------   ----------   ------   
1 192.0.2.1/24 20         Enabled      Master   
3 198.51.100.1/24 20         Enabled      Master  
View the status of Firewall session reservations using the following command
master# show ip firewall failover 
Communication interface:                    gigabitethernet 1/0/2
Status:                                     Running
Bytes sent:                                 2496
Bytes received:                             640
Packets sent:                               271
Packets received:                           40
Send errors:                                0
Receive errors:                             0
View the status of device redundancy systems using the following command:
master# show high-availability state 
AP Tunnels:
    State:                         Disabled
    Last state change:             --
DHCP server:
    State:                         Disabled
    Last state change:             --
Firewall sessions:
    State:                         successful synchronization
    Last synchronization:          09:38:00 05.08.2021