I need help creating static routes for a five remote site network. The goal is that a station in each private network needs to be able to talk to each other remote site but most importantly to 8 specific IP's in the central site. The use of this is Polycom videoconferencing codecs "calling" to each station.
inside network 192.168.10.x 255.255.255.0
outside interface 184.108.40.206 (for T1 connection to Central Site)
inside network 192.168.20.x 255.255.255.0
outside interface 220.127.116.11 (for T1 connection to Central Site)
inside network 192.168.30.x 255.255.255.0
outside interface 18.104.22.168 (for T1 connection to Central Site)
inside network 192.168.40.x 255.255.255.0
outside interface 22.214.171.124 (for T1 connection to Central Site)
inside network 192.168.50.x 255.255.255.0
outside interface 126.96.36.199 (for T1 connection to Central Site)
t1 1/1 (Site 1 T1 interface) 188.8.131.52
t1 1/2 (Site 2 T1 interface) 184.108.40.206
t1 1/3 (Site 3 T1 interface) 220.127.116.11
t1 1/4 (Site 4 T1 interface) 18.104.22.168
t1 1/5 (Site 5 T1 interface) 22.214.171.124
All five remote sites have Cisco 1721 Routers in them connected to T1 lines that all connect to the Central Site
My thinking is that on each site router I want to put in static routes to the central site and to each other remote site. What I want to be sure about is what interface to point the route at. So for example for Site 1, the route config would be:
Hostname Site 1
ip route 192.168.20.0 255.255.255.0 (what interface goes here? 126.96.36.199 or .2?)
ip route 192.168.30.0 255.255.255.0 (what interface goes here? 188.8.131.52 or .2?)
Hostname Site 2
ip route 192.168.10.0 255.255.255.0 (what interface goes here? 184.108.40.206 or .2?)
ip route 192.168.30.0 255.255.255.0 (what interface goes here? 220.127.116.11 or .2?)
Thanks much for any help. I very much appreciate advice on how to get this set up. Oh, for political reasons I cannot run any kind of routing protocol like RIPbv2 or OSPF.
While it can get a bit cumbersome as the network grows larger, you can do just fine with static routes. At each remote site, put a static default route pointing to the IP address of the central end of the T1 to that site. There is no need to define more specific routes at each site as the only way to get to anywhere is via the central site. (Assuming that is true, if the individual sites have Internet connections or other routes available to them, that is a different design).
At the central site, just put in a route for each site LAN pointing to the remote end of the T1 to the site, so at site 1 you would have:
ip route 0.0.0.0 0.0.0.0 18.104.22.168
and at the central site you would have (repeat for each site...)
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