Solved. DDoS Mitigation Cluster has routing loop issues. Huge DDoS used up the entire bandwidth capacity of the core router. The router tried to reset all interfaces on the FPE to "solve" this issue.
To save FIB, the DDoS Cluster has no full FIB, it shares with other tables.
We'll keep looking into this to avoid any potential problems
发表于 2021-10-14 01:15:05