Simon:

 

What is an example command to set the timeout of UDP connection? I am trying
to set a low timeout for SIP UDP packets. And am I able to control the UDP
timeout parameter from "ldirectord" instead of doing it with ipvsadm
command? 

 

 

 

Henry 

 

"Hi Brian, 

I think that the problem that you are seeing is that LVS regards 
a series of packets with the same SRC_HOST:SRC_PORT and DST_HOST:DST_PORT 
as a connection of sorts and thus sends them to the same real-server. 
This is separate from the behaviour of persistence which broadends 
the rule by ignoring the SRC_PORT. 

You may be able to mitigate this behaviour to some extent 
by setting a very low timeout on UDP "connections" using ipvsadm --set. 
However I suspect that due to implementation details of LVS that 
very short timeouts won't work as well as one might hope."

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