RE: [LARTC] Problem with ip route . VERY SLOW

From: Franck LEPRETTE <korta@neuf.fr>
To: lartc@vger.kernel.org
Subject: RE: [LARTC] Problem with ip route . VERY SLOW
Date: Mon, 24 Oct 2005 12:39:14 +0000	[thread overview]
Message-ID: <000701c5d897$f17316c0$6500a8c0@NOVIS.COM> (raw)
In-Reply-To: <001901c5d884$aeb61b60$b500a8c0@NOVIS.COM>

* I believe that is the DNS that makes it take longer here, and not source 
* routing.

First of all, tx for your answer.

It's possible but I don't think so because nslookup command answers fast.
More over, when I type ping hostname, before I have to wait for response,
the computer has resolved the hostname to ip address.

But how can I know where is the bottleneck ?

The problem of very slow connection appears for example when I try to ping a
host or when I try to connect to a website with my navigator.

I remember that I have 3 interfaces and I wonder my self if it's possible
that there are too many interfaces on the computer; or there are
restrictions with iproutes2 etc...?

-----Message d'origine-----
De : Bogdan Coman [mailto:cbi@adica.eu.org] 
Envoyé : lundi 24 octobre 2005 13:25
À : Franck LEPRETTE
Cc : lartc@mailman.ds9a.nl
Objet : Re: [LARTC] Problem with ip route . VERY SLOW

Hi,
Franck LEPRETTE wrote:

> Hello everybody
>
> I’m french and ‘im a network administrator.
>
> It the firs time I write on this mailing list ..
>
> I configure a debian distribution (the last one sarge) with iproute2 
> to route packets depending on source ip address
>
> It works fine but it is very very slow .
>
> When I make a ping for example on a windows machine :
>
> /[in French ]/
>
> /$> ping www.Google.Fr/
>
> /Envoi d'une requête 'ping' sur www.l.google.com [216.239.59.99] avec 
> 32 octets de données :/
>
> *It waits for a long time HERE .*
>
> *I think it’s the route decision which takes a long time ,*
>
I believe that is the DNS that makes it take longer here, and not source 
routing.

> **
>
> *Then it works fine .*
>
> / /
>
> /Réponse de 216.239.59.99 : octets2 tempsv ms TTL$1/
>
> /Réponse de 216.239.59.99 : octets2 tempsv ms TTL$1/
>
> /Réponse de 216.239.59.99 : octets2 tempsw ms TTL$1/
>
> /Réponse de 216.239.59.99 : octets2 tempsv ms TTL$1/
>
> / /
>
> Is there a solution to make the connection faster ?
>
> Is there any problems with routing on multiple interfaces ?
>
> Thanks in advance
>
> / /
>
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>
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