I have a client with an office in NY and in Boston. Each office has a Cisco router connected to a T1 to the Internet and a T1 connecting each office. How can I configure the router, so if the NY T1 goes down all traffic is routed to the Boston office and vice versa.
I'm a bit confused--is this a triangle, or just the two offices? Are you trying to get the traffic between the two offices to cross the t1 while the t1 is up, and then cross the internet when it's not? Or is there some other link between these offices?
It is actually a U shape instead of triangle. The NY office will use their T1 to access the internet; employees surfing and checking personal emails. The boston office will use their T1 to access the internet; employees surfing and checking personal emails. But in the case that the NY T1 goes down, then the NY traffic needs to go to boston inorder to get to the Internet, and vice versa.
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