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What Are Precautions for Deploying the WLAN Standby Plan?
Currently, Huawei products support dual link standby. When dual link standby is deployed, the interval at which heartbeat packets are transmitted must be the same on the active and standby ACs, no AC can function as a service gateway, service configurations must be the same on the active and standby ACs, and the active and standby ACs must use different IP address pools.