Re: [PATCH] tcp_v4_get_port() and ephemeral ports

From: Dan Kegel (dank@kegel.com)
Date: Sun Sep 30 2001 - 13:29:38 EST


Davide Libenzi wrote:
>
> On Sun, 30 Sep 2001, Dan Kegel wrote:
>
> > I'm doing ftp server benchmarking, doing lots of connect()'s.
> > Since ports aren't supposed to be reused for 2MSL (theoretically 120 seconds),
> > the absolute limit on connections per second is 64K/120 = 500.
> > This actually could pose a problem for me. (Yeah, 2MSL is
> > set to 30 seconds in linux, so the problem isn't as severe
> > as the standard says, but it's still a problem.)
>
> net.ipv4.tcp_tw_recycle=1
> net.ipv4.tcp_fin_timeout=8
>
> ONLY FOR TESTING !! :)

OK, thanks, that will help!

I'm still interested in whether that patch I posted makes sense.
bind() *should* work that way, darn it :-)

- Dan
-
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