Hi, I am seeing the following issue when we are sending a lot of traffic on VPP with 10 Gig interfaces from one interface to another interface traffic and have IPSEC tunnel for outgoing traffic to the remote site [ LAN to WAN]. The issue happens when there are multiple RX queues, RSS enabled and multiple threads processing packets received from an interface and just have one IPSEC tunnel per interface for outgoing traffic to a remote site. If we just have one thread per interface then the vector size is hitting 255. If we have multiple threads per interface with RSS enabled then we see congestion Please let me know any suggestions on how can we avoid congestion in this use case scenario.
- *esp4-encrypt-tun-handoff congestion drop error* Regards, Satish K Amara
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