Implementing OSPF Sham-link
We're going to continue the previous inter-AS L3VPN Option C lab, and in this post we're going to be focusing on customer GREEN who runs…
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Implementing Inter-AS MPLS L3VPN services with Option C
We finish the inter-AS L3VPN series with Option C: As I foreshadowed in the end of the of the Option B post, Option C is…
Read more →Implementing Inter-AS MPLS L3VPN services with Option B
In the previous post we've seen how we can set up an inter-AS L3VPN with Option A. We continue this lab, but this time we'll…
Read more →Implementing Inter-AS MPLS L3VPN services with Option A
What if a single customer wants to have an MPLS L3VPN service, but he has to connect with his CE routers to two different service…
Read more →BGP on IOS-XR: Route Policy Language (RPL)
I've been learning BGP on IOS-XR recently. Configuring inbound or outbound BGP policies on IOS-XR is quite different than on IOS-XE or regular IOS. On…
Read more →BGP Route Reflector Design Options (Part 2): Hierarchical 2-tier Route Reflectors, MCIDs
The issue of the previous Route Reflector (RR) design is that it is not protected from a single point of failure: if a RR goes…
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