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NAT

Interconnecting IPv6 and IPv4

1. Dual Stack Dual Stack means running both IPv4 and IPv6 on the same interface. This doesn’t mean they are actually interconnected, just that they can both run at the same time on an interface. 2. Tunnels 2.1 Manual Tunnels 2.1.1 IPv6 in IP Tunnels IPv6 can be encapsulated in …

NAT 101

1. Inside, Outside, Local, Global When defining NAT it is important to understand what Inside/Outside and Local/Global mean. When we use NAT, our router will be at the border between the Inside and the Outside zones. Hosts on the Inside are configured with addresses from the LOCAL Address Space and …

NAT for Overlapping Networks

When we have 2 networks with overlapping addresses, chances are it’s not going to work. Unless, you use NAT. The situation we have to deal is can be seen in the next diagram: We have 2 routers, Router 1 and Router 2, connected via the 12.12.12.0/24 subnet. Each router has …