Hi,

We are facing the issue with TCP connection buffer size.

TCP session is up. By default the rx buffer window size is 64k.Traffic flow is 
fine. When the buffer size is increased while connection is up, rx buffer 
window size is updated automatically with the new value.
But if we decrease the buffer size below the default value i.e. 64k, window 
size is not getting updated. To get it updated, we need to prune the connection 
and setup with the new value(which is lesser than the default window size).

Is this a expected behavior in FreeBSD IP stack. Currently we are using FreeBSD 
v7.2.

Thanks and Regards,
Saurav

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