Nest a subnet inside another subnet
Posted on 2013-02-05
I have a bunch of subnets in a corporate network. All subnets are different physical locations and are interconnected through an IP VPN managed by our ISP. We have one subnet that is running full: 172.26.76.0/24. Instead of supernetting it, which would require me to change subnet mask and change static IPs/netmask on all our equipment at this one location, i'd like to put a router inside the 172.26.76.0/24 net and put a new subnet behind it, e.g. 172.26.77.0/24. I'd then try to route all inside traffic from the 172.26.77.0/24 net to the 172.26.76.0/24 net. However, clientsin the 172.26.77.0/24 net also need to access resources in all other corporate subnets (172.26.1-180.0/24). How can this be routed?