netdev - Re: 40k+ outbound connections and bind() problem

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Message-ID: <1296047834.2899.62.camel@edumazet-laptop>
Date:	Wed, 26 Jan 2011 14:17:14 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Daniel Baluta <daniel.baluta@...il.com>
Cc:	denys@...p.net.lb, netdev@...r.kernel.org
Subject: Re: 40k+ outbound connections and bind() problem

Le mercredi 26 janvier 2011 à 15:00 +0200, Daniel Baluta a écrit :
> Hi,
> 
> > Latest stable, 2.6.37
> 
> Please apply this patch [1] and see if it's still happening.
> 
> thanks,
> Daniel
> 
> [1] http://www.spinics.net/lists/netdev/msg152204.html
> -

I dont think it'll help ;)

Denys problem is if one source IP address is used, there is an absolute
64K limit to (IP, port) tuple

Only thing you can do is to tune /proc/sys/net/ipv4/ip_local_port_range
to get close to 64K limit



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