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Date: Thu, 5 Jul 2007 12:28:43 +0300 From: "Robert Iakobashvili" <coroberti@...il.com> To: NetDev <netdev@...r.kernel.org> Subject: Re: Beyond 64K TCP connections limit per IP-address On 7/4/07, Eric Dumazet <dada1@...mosbay.com> wrote: > On Wed, 4 Jul 2007 11:40:48 +0200 > "Robert Iakobashvili" <coroberti@...il.com> wrote: > > > On 7/4/07, Evgeniy Polyakov <johnpol@....mipt.ru> wrote: > > > On Wed, Jul 04, 2007 at 09:50:31AM +0200, Robert Iakobashvili (coroberti@...il.com) wrote: > > > > If I am correct, a TCP server can make up to > > > > 64K accepts for a port at a single IP-address. > > > > > > No, it is essentially unlimited - linux uses local/remote addr/port > > > tuples for hash chains, so there is no per-addr limits. > > > If there is some kind of binds, then yes, only 64k ports per address. > > > > Thanks, it clarified me the issue. > > Probably, I am experiencing some local problem with > > the web-server I am using for tests. > > If your setup is : > Server A with one IP address listening to port 80 > 'Client B' with one IP address, trying to open many sockets to A (port 80) > Then yes you have a 64k limit for this particular client B. Just add 15 more clients (or 16 IP addresses on B) if you really want to stress A ;) Actually, each client has its own secondary IP, and the problem was in nginx server configuration (errare humanum est). Thank you, Eric. -- Sincerely, Robert Iakobashvili, coroberti %x40 gmail %x2e com ........................................................... http://curl-loader.sourceforge.net A web testing and traffic generation tool. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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