On 3/25/11 4:49 AM, Stealth wrote: > Hi all, > > I'm hoping to build a gateway with multiple ISP > (in my case I have 4 ISPs) with failover capability. > > Here's what I hope to accomplish with shorewall, > if it's possible: > > 1. Switch traffic on other interfacesif an ISP > fails, not only when the box hang but also if > Internet connection doesn't response
Using static routing, you can't switch existing traffic from one ISP to another. Think about it; how is return traffic going to get back to your network if the route to your system isn't available? That only has a chance of working if output traffic is broken but return traffic continues to flow. > > 2. More complicate for me. The adsl box are never > synchronised with same capacity after reboot. Do > you know a good system for traffic repartition > which take cares of box response times, maybe a > script but how ? Again -- you can't switch live connections from one ISP to another. You might get away with switching output traffic if the ISP being switched to does not do ingress filtering but the return traffic is still going to go through the ISP over which the connection was initiated. -Tom -- Tom Eastep \ When I die, I want to go like my Grandfather who Shoreline, \ died peacefully in his sleep. Not screaming like Washington, USA \ all of the passengers in his car http://shorewall.net \________________________________________________
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