configure Linux so that if it can not access web pages over one nic to use other nic

[Craig White]

On Tue, 2005-08-30 at 13:54 -0700, Jim B wrote:
> What is the best to have 2 internet connectinons to one linux box on 2
> different ethernet interfaces and if the web can not be accessed over
> one nic for Linux to then use the other nic for Internet access?
>  
> Basically nic A is for intrnal network and to access the Internet
> nic B is only to access the internet which should be used for Internet
> access as the primary.
>  
> Basically I would like to configure the Linux box to have redundant
> Internet access.
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zebra ?
www.zebra.org

http://www.linux-mag.com/2004-03/routing_01.html

http://linux-ip.net/html/index.html

http://linuxreviews.org/howtos/networking/lartc/en/index.html

Craig