NAT HRP (Hot Standby High Reliability Protocol)is used in Huawei firewalls to synchronizeNAT sessions and state informationbetween theactive and standby firewalls. This enablesseamless failoverwithout session interruption, thereby improving thereliabilityof the firewall deployment.
A. VLANis used for logical segmentation
B. Securityis a broad concept, not a specific technology
C. Policiesgovern traffic handling but don't impact hardware reliability directly
[Reference:, HCSA-IP Network V4.0 Study Guide — Chapter 8: Huawei Network Security Products and Solutions, Huawei HiSecEngine USG Series Firewall Documentation, ]
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