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Route-maps for VPNv4 filtering
In my series DC@Home I recently ran into the issue of how to filter which VRF:s should be allowed to propagate from the provider core, out to the customer sites. It turns our it is quite simple and can be done in a manner similar to prefix-lists for regular BGP peering. For VPNv4 multiplexing the…
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DC@Home 2 – Setting up the core and underlay
This weekend I started setting up the core of the provider network. This mainly consisted of configuring MPLS and MP-BGP to run L3VPNs between provider nodes. I also setup a secondary internet connection, which will primarily be used to run active-active tunnels from sites into the MPLS core. One big goal of this new setup…
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Filtering redistribution through route-maps
I recently ran into a case where a customer wanted to be able to monitor their primary and secondary WAN-links in order to determine if they are up. We owned the primary WAN-link, which served the primary router at the site. The secondary link was a DIA running DMVPN across the interwebz. In order for…
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DC@Home 1 – Goals and planing
I have a lot of tech stuff floating around at home and at friends houses. Some things are in “production” while others are legacy tests that have been left and forgotten. With this in mind I have begun the journey of building a datacenter at home! The most important aspect of doing greenfield is do…
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SYN – Hello world!
Hello, This is the first post on the new blog. My hopes are to use this place as a sort of public notebook for ideas, projects and studying. I find that I far too often research a subject and then loose all the research that I have done once I have found the most elegant…