3 ways to NAT on a Cisco Router

When working with Cisco routers, whether in a lab or production environment, there are may ways that NAT will come into play. This article will discuss the three most common reasons you would need...

EIGRP and AF-Interface

Within the realm of EIGRP, there are two different modes, classic and named. Classic is the usual version most people are used to where the protocol configuration starts with "router eigrp 123" or something...

Nat-Traversal (Nat-T) Clarification

There was a recent lab I was working through where Nat-T was the main focus. Basically there was a firewall behind the internet router. It looked a little something like this, but sub our...

#RoutingTableLive – MPLS Lab

Decided to get at it early this morning since I booked my second CCIE RS attempt last night. This was a good MPLS lab with two VRFs (RED and BLUE). Two clients on each...

Controlling Shared BGP Routes

Keeping your router table in check is something that any network administrator should be concerned with, especially with BGP. Accepting a full routing table from your ISP over BGP can put a good bit...

Basic Cisco IPv6 EIGRP Configuration

This was a random video I put together this morning. I was testing out some screen recording software for the future and figured I'd do something useful. This is a video walkthrough of a...

Rapid BGP Fall-Over

Sometimes you need to speed up  your BGP network convergence times. This was my case in building a plan for a multi-homing BGP network topology. The issue was I was seeing 60-90 second fall-over...