Two 3725 “core” routers: $15.000
A layer-3 switch to connect them: $3.000
Connectivity to two upstream ISPs: $3000/month (estimate)
Ivan Pepelnjak (CCIE#1354 Emeritus), Independent Network Architect at ipSpace.net, has been designing and implementing large-scale data communications networks as well as teaching and writing books about advanced internetworking technologies since 1990.
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