Working with a Cisco 887VA ISR Router

Networkers — I ran into configuring one of these routers for a client and I wanted to bring something up in case anyone finds themselves in front of one of these guys. Now — these models are meant for small businesses, they have only 4 fastethernet ports,...

What is Double NAT?

Hey Networkers, I found myself in a interesting scenario where that annoying concept of double NAT haunted me yet again… Best practice is to never use double NAT long term. Its been known to break certain applications and things like VPNs may not work properly. ...