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StrikedOut, 14 May 2013
Posted 14 May 2013
Posted 15 May 2013
Posted 8 Aug 2013
I am fairly sure a 1921 can do HSRP.. how you would tie in your dual internet connections not sure.
But still thinking about it the wrong way.. You don't change your lan IP scope just because your internet connection changes, or the hardware to the connection fails.
You setup a ha pair with hsrp or virtual IP, lots of different terms for pretty much the same thing. You have 2 routers, and then either 1 or more internet connections on the wan side connected to these routers. You then route traffic to the connection you want, be it using 1 and other as fallback, or load balancing, etc. from the lan side nothing changes if one of the routers fail. Since the router that is currently active will hold that gateway IP your clients use.
And I still at a loss to why you should have to change your dns if your internet connection changes? Your local dns would still work, or use a non isp based external dns, etc.
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