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Backhaul and route remote site to other WAN sites.

Hi,

I am hoping someone can assist with the necessary ip routes to be able to route traffic between a subnet which is backhauled over a wireless link to another site which is connected to the rest of our WAN.

The remote site is 172.16.26.0/24. It is being backhauled to 172.16.25.0/24. 172.16.25.0/24 is accessible to all sites in 172.16.24.0/21.

However, 172.16.26.0/24 is only accessible from 172.16.25.0/24.

The main objective here is to make 172.16.26.0/24 accessible from all sites.

The routing path is as follows:

(172.16.26.0/24) 172.16.26.1 <-> 172.16.26.2 / 192.168.0.26 <-> 192.168.0.25 / 172.16.25.2 <-> 172.16.25.1 / 10.252.0.10 <-> 10.252.0.9 <-???-> 10.252.0.6 / 172.16.24.1 (172.16.24.0/24)

192.168.0.0/24 is a point-to-point wireless link

10.252.0/24 is our provider's private IP network (connecting all our other WAN sites)

Our private IP provider is using RIPv2 between our sites and we are using a single ip route of 172.16.24.0/21 on all our branch office routers to use our private IP provider's designated gateway e.g. ip route 172.16.24.0 255.255.248.0 10.252.0.5

A Cisco 891 has been used to connect our branch offices to our private IP provider's network and 2 x Cisco 881's have been used between the wireless endpoints.

Many thanks,

Trent Renshaw.

  • WAN Routing and Switching
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