Hi all,

I am trouble with endpoint-dependent NAT. I am running out of tcp
connections. Also, sessions are not deleted after the NAT timeout period.

Number of sessions remain almost the same every after no usage for a day or
so.

Here are the stats, nat config and timeouts:
https://gist.github.com/ironpillow/5512e23831827eaf12a6295c0be9b3c8

startup.conf
nat {
  translation hash buckets 1048576
  translation hash memory 268435456
  user hash buckets 250
  max translations per user 20000
  endpoint-dependent
}

vpp# sh nat timeouts
udp timeout: 300sec
tcp-established timeout: 7440sec
tcp-transitory timeout: 240sec
icmp timeout: 60sec

In the above link you can see the nat44 sessions, total tcp and udp
sessions and hash tables.

Let me know if you need more logs or info.

Any advice?
Thanks!
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