All of our public IPs are reverse mapped.  The initial connection to the
site is fast.  The delay happens when data starts comming back.  A way to
visualize this problem is using a browser.  You hit "Go" and the target site
immediately returns text, but like a low-bandwidth or overloaded site,
graphics trickle back.  This problem is not limited to a single site ...
it's all of them.  And isn't limited to a single router, I have two
different production evironments setup with different loadbalancer/firewall
combos.  What they both have in common is the RedHat router doing simple
forwarding.  One in each environments.

-Ken


>> Any suggestions on where to go with this?
>If I have a tcp delay, I always check the dns config.  In many cases, there
is 
>no reverse dns lookup of the ip-address so the other hosts waits for the 
>dns-timeout before allowing the connection.  So, has your ip-address a 
>reverse dns entry?

>Stef
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