Huawei Related Exams
H12-721 Exam
134. Which of the following is the connection status data to be backed up in the HRP function?
In the IPSec active/standby link backup application scenario, gateway B uses IPSec tunneling technology and gateway A to establish an IPSec VPN.

The ip-link principle is to continuously send ICMP packets or ARP request packets to the specified destination address, and check whether the ICMP echo reply or ARP reply packet of the destination IP response can be received.