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From: Damion de Soto <damion@snapgear.com>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Two Gateways and NAT??
Date: Fri, 16 Jan 2004 01:26:22 +0000	[thread overview]
Message-ID: <40073DBE.8060102@snapgear.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0401151332470.27723@merete.balder.no>

Hi,
Lars Landmark wrote:
> I have two dsl lines, which the low bandwidth connection(ISP2) is only
> used for failover.
-----8<-----
> 
> However, my interfaces which these lines are connected are both using NAT.
> My question is; will TCP connections that NAT.ed over interface ISP1
> break if a failover happens and rerouted over ISP2??
Yes, all your tcp connections will need to be re-established.
the only way around this is to have both main and failover ISP/s do
some multi-path routing trickery - which is probabaly very unlikely.

regards,

-- 
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Damion de Soto - Software Engineer  email:     damion@snapgear.com
SnapGear - A CyberGuard Company ---    ph:         +61 7 3435 2809
  | Custom Embedded Solutions          fax:         +61 7 3891 3630
  | and Security Appliances            web: http://www.snapgear.com
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      reply	other threads:[~2004-01-16  1:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-15 12:48 [LARTC] Two Gateways and NAT?? Lars Landmark
2004-01-16  1:26 ` Damion de Soto [this message]

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