Huawei Related Exams
H12-721 Exam
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.
As shown in the following figure, the BFD for OSPF network is as follows: 1. OSPF is running between the three devices: FW_A, FW_B, and FW_C. The neighbors are in the FULL state. The association between BFD and OSPF is complete. BFD is complete. To establish a BFD session, the following instructions are correct?

When an IPSec VPN is set up on both ends of the firewall, the security ACL rules of both ends are mirrored.