Carrier Supporting Carrier with OSPF and LDP
I know we haven’t gotten to the point of actually discussing inter-as option B or option C but we did cover all of the mechanics required for them to work… Read more »
Fundamentals of MPLS LSPs
One of the items that often trips folks up with MPLS is the concept of label switched paths or LSPs. We’ve talked about them extensively before in many of the… Read more »
BGP-LU and MPLS VPNs
In my last post I showed you how you can use plain old BGP to distribute labels and create LSPs. While sort of interesting to see – it wasn’t super… Read more »
Understanding BGP Labeled Unicast
We’ve talked in previous posts on how we can use LDP and RSVP as label distribution protocols. Without LDP and RSVP – we wouldn’t be able to easily create LSPs… Read more »
Multipath routing with VPNv4
When we talk about VPNv4 prefixes – Route Distinguishers (RDs) play an incredibly important role in ensuring multipath routing. We talked about this a little bit in our last post,… Read more »
Understanding RTs and RDs
One of the items that continues to come up in my conversations with folks learning about about MPLS VPNs is defining what a Route Target (RT) and Route Distinguisher (RD)… Read more »