This is a design guide for an enterprise deployment of a dual stack, routed access layer using OSPF as the routing protocol, with a fully routed ECMP core.
I’ve always advised my clients to carefully plan the implementation of IPv6. The protocol opens new attack vectors on which ne’er-do-wells can assault your infrastructure. There are countless examples I’ve seen such as service providers locking down access to routers using IPv4 transport but leaving IPv6 transport completely open. About a year ago, I stumbled […]
In Part 2 we did the initial ISATAP configuration for our Cisco router. Here we’ll show the config we use on our Windows clients and server. netsh interface isatap set router 203.0.113.30 netsh interface isatap set state enabled Normally I tell system admins to never hard-code IP addresses into their application; always use DNS names! […]