Subject: Re: Thousands of interfaces

From: Ben Greear <[email-masked]>
Date: Tue, 31 Oct 2006 07:55:04 -0800

David Miller wrote:
> From: Peter Hicks <[email-masked]>
> Date: Tue, 31 Oct 2006 09:25:50 +0000
>
> [ Discussion belongs on [email-masked], 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?
>>     
>
>   
2.6 (and the associated 'ip' tool) does have some improvements for 
showing very
large numbers of interfaces.  I haven't tried more than a few thousand 
though...

Ben

-- 
Ben Greear <[email-masked]> 
Candela Technologies Inc  http://www.candelatech.com