lkml.org 
[lkml]   [2006]   [Oct]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: Thousands of interfaces
From
From: Stephen Hemminger <shemminger@osdl.org>
Date: Tue, 31 Oct 2006 10:22:22 -0800

> 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.

Oops I didn't notice this was with 2.4.x. Indeed, 2.4.x definitely
cannot handle large numbers of networking interfaces at all without
major surgery. 2.6.x should handle this significantly better.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-10-31 22:39    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site