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tux143's avatar
tux143
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Apr 13, 2020

SNAT pool Inet port exhaustion

We are running XMPP application and we have 500k users so in short 500k TCP persistent connection and total 4 XMPP servers, based on math i created 15 ips SNAT pool (assuming 15 ipaddress are enough ...
application delivery
BIG-IP
LTM
tux143's avatar
tux143
Icon for Cirrus rankCirrus
Apr 15, 2020

Update:

I dump full connection tables and i can see per SNAT port utilization is 20k around and i start seeing warning in logs, even i reduce SNAT TCP idle timeout to 300sec, there are lots of free source port available but i am getting errors. any thought? 

tmsh show sys connection max-result-limit 30000 ss-client-addr 10.22.0.61