The figure shows the load balancing network. Firewall A and firewall B establish IPSec VPN tunnels with firewall C respectively. When a link failure occurs between firewall A and firewall C, the VPE…

The figure shows the load balancing network. Firewall A and firewall B establish IPSec VPN tunnels with firewall C respectively. When a link failure occurs between firewall A and firewall C, the VPE fails to switch, causing service traffic to be dropped. The possible reason is that the VRRP virtual address is not used to establish a tunnel with firewall C.