As I mentioned in the previous blog (Building a MPLS L3VPN Unicast and Mcast Cloud – Overview) what we are going to do first and foremost is create the MPLS core. Want some snippets of the configs? MPLS Part 1.zip… Read More ›
BGP
BGP Show and Tell: Beginners
New to BGP? This should definitely help! We will connect R1/R2/R3 into the already existing BGP network. We will go step by step through all of this together… me right along side of you in the YouTube in a lab… Read More ›
Inter-AS Option AB: Fun in the Lab
Time to have some fun in the lab with Inter-AS Option AB. Let’s get our geek on! Inter-AS Option AB – where the data traffic uses the VRF interfaces (or sub-interfaces) and the control plane (BGP VPNv4) uses the… Read More ›
The Case of the Flapping BGP Routes: A Network Detective Ride-Along
Let’s go on a Network Detective Ride-Along together! 🙂 YouTube Style! Case open to case closed in less than 15 minutes. You ride along! Below you will find the link to the troubleshooting ride-along as well as 3 very helpful… Read More ›
Clearing Up Some Misinformation RE: eBGP Multihop and TTL
Myth: You have to set ttl to 2 because it is decremented on the way to the loopback. Years and years ago I was trying to learn more about BGP and I was reading some book with a chapter on… Read More ›
Advanced DMVPN & Routing: Part 2 – The Forwarding Plane
In Part 1 of this 2 part blog series, we went into details about the environment, setup, and control plane. In this blog we are going to continue our advanced routing and DMVPN fun but will be focusing on… Read More ›
Advanced DMVPN & Routing: Part 1- The Control Plane
Time for some serious geeky fun in the lab! In this blog we are going to have a little advanced routing and DMVPN fun and focus and follow the control plane side of things. In the next blog we will… Read More ›