From: Stephen Hemminger <shemminger@osdl.org>
To: David Miller <davem@davemloft.net>
Cc: peter.hicks@poggs.co.uk, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org
Subject: Re: Thousands of interfaces
Date: Tue, 31 Oct 2006 10:22:22 -0800 [thread overview]
Message-ID: <20061031102222.7ab1ed6b@freekitty> (raw)
In-Reply-To: <20061031.013154.122620846.davem@davemloft.net>
On Tue, 31 Oct 2006 01:31:54 -0800 (PST)
David Miller <davem@davemloft.net> wrote:
> From: Peter Hicks <peter.hicks@poggs.co.uk>
> Date: Tue, 31 Oct 2006 09:25:50 +0000
>
> [ Discussion belongs on netdev@vger.kernel.org, added to CC: ]
>
> > I have a dual 3GHz Xeon machine with a 2.4.21 kernel and thousands (15k+) of
> > ipip tunnel interfaces. These are being used to tunnel traffic from remote
> > routers, over a private network, and handed off to a third party.
> ...
> > Is it possible to speed up creation of the interfaces? Currently it takes
> > around 24 hours. Is there are more efficient way to handle a very large
> > number of IP-IP tunnels? Would upgrading to a 2.6 kernel be of use?
>
2.4 has a several N^2 searches for interfaces (and is in deep freeze by now).
2.6 had several changes to handle 1000's of interfaces.
--
Stephen Hemminger <shemminger@osdl.org>
next prev parent reply other threads:[~2006-10-31 18:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20061031092550.GA8201@tufnell.london.poggs.net>
2006-10-31 9:31 ` Thousands of interfaces David Miller
2006-10-31 15:55 ` Ben Greear
2006-10-31 18:22 ` Stephen Hemminger [this message]
2006-10-31 21:36 ` David Miller
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