Huawei USG6000V v5.1.6 is stable for lab and limited production use (with proper licensing). For latest features (TLS inspection, AI-based threat detection), upgrade to V600R007 or newer.
He initiated the manual switchover. For a split second, the core router's BGP peering flapped. Then, gracefully, USG6KV-04 took the crown as master. Traffic flowed. The old master, USG6KV-03, went into standby. huaweiusg6kv-5.1.6