You're going to need to use some sort of dynamic routing protocol to decide when the routes to your isp are no longer available. Are these public ISPs? Are you on an mpls network with private side addressing on your wan links? What kind of equipment are you working with? A diagram would be good, but specifically spelling out what needs to be done and telling you every line to type into your routers is not going to be easy in a public forum like this. If you don't have experience in this, I'd recommend finding someone local that can help.
yes those are public ISPs and we are on private addressing .i am not practically in touch with these stuffs, just a beginner.
dynamic routing protocols ,i guess can be implemented just between routers but i am looking for a backup solution that connects the other ISP network B as a failover to network A at the cyberoam level(nw A) and router(nw B) but that might need me to have 2 gateways(one for nw A and other for nw B) and my concern is that my servers wont be intelligent enough to switch the gateways.
for another option,i studied on the HSRP implementation but still doubtful whether it will work between the switch(nw B) and router(nw A).
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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