My network AS203528 has eBGP Multihop peering to a couple of route collectors - both from BGP.tools and NLNOG These peerings are off a couple of my routers OSR1GLASS1 and OSR2GLASS1 - in both Ostr...

So this is a short post. I’m studying for the JNCIP-SP and I found very interesting that although l2circuits / Martini PWs need the VLANs at both ends to match, this disappears from the LDP label m...

My hobby network (AS203528) keeps growing. I had a full iBGP mesh among those routers, however that’s no longer viable. I already have 4xBGP Route reflectors on my internal network. I want to re-u...

Today I wanted to play around with VXLAN as I’ve never touched it and I had nothing better to do. This has been tested with the latest VyOS nightly 1.5-rolling-202403050022. First, I read the rela...

I was reading about Segment Routing, and I wanted to give that technology a try. I already had a GNS3 lab built with vSRX devices, with a basic IS-IS+LDP topology, running iBGP between PE routers ...

Over the weekend I had the idea to add a tab onto my blog, to show some of the statistics I collect within my network As I already run LibreNMS it was just a matter of creating a script on one of ...

Some context Recently I’ve been studying for my JNCIA-SEC certificate, using the Juniper Open Learning portal & lessons. However I always set up the labs myself on my own kit. I got to the IP...

Laziness is King I already had a semi-automatic way of getting the AAAA and PTR records to put on my zonefiles, from the VyOS router configs. However it involved logging in manually to each router...

Route reduction? Reason is simple. I have three small VMs (NYC1BR1, LUX1BR1, AMS1BR1) which have only 2GB of RAM available. Each of these VMs receive full routes from the VPS provider, and they al...

Why can’t I SSH to my routers anymore??????? Well, everything started with an upgrade to one of the latest VyOS Nightly builds “vyos-1.4-rolling-202306080317” on some of my AS203528 routers. fabr...