Apologies for the MS paint disaster, but this is a basic diagram of the part of the network I am concerned with. As you can see, the main location has our primary internet connection and an RB1000. The far elevator would have a backup internet connection and probably an RB750. I only want the backup connection to kick in should the wireless link (the 28 mile one) fail and the far elevators lose their connectivity back to the main location.
Overall bandwidth is not a concern as this would just be a "failover" situation. They will be using Citrix (which is essentially glorified terminal services) so there won't be a ton of data flowing through. I just need to make sure they can keep working if something happens.
I'd probably want some kind of netwatch script that would keep the interface with the backup internet connection turned off until failure, at which time it would turn off the port to the 28 mile wireless link and turn on the port to the backup internet and dial the VPN tunnel. It could run like this for the remainder of the day and say at midnight, check to see if connectivity is restored on the wireless. Should connectivity be restored, I'd like it to shut down the VPN tunnel and the backup internet connection port and turn the wireless port back on.
I hope I'm not making this more complicated than it needs to be and hope this helps clarify things.
On 4/28/2010 4:53 PM, Josh Luthman wrote:
It would be handy to have a network map to grasp what you have. I'm thinking all you need to do is eoip the two MT routers. What kind of bandwidth would they need to pass?
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