Learn Juniper and Cisco networking – with jokes!
Struggling to read Junos Class-of-Service config? This post is for you: it shows you where to start, what order to read each piece in, and what to look for. After this you’ll have no problem working out exactly what’s going on!
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If you’re a newcomer to networking, chances are you’re struggling to get your head around subnet masks. Well don’t worry: your goth uncle is here to explain how it all works. CCNA and JNCIA/JNCIS students, click here for some cool new knowledge!
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The fourth part in this intro to IS-IS series tackles areas, and how they’re different to levels. A lot of new students confuse them, and a lot of documentation gets it wrong too! This post clears everything up for you, and will make you super confident. You’ll also learn about IS-IS default routes, and route leaking from L2 to L1. Give it a click!
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A lot of websites tell you that the private AS range is 64512 to 65535. However, this isn’t quite correct – and the reason is really interesting. Click here to go on a BGP journey with me!
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Some ISPs like to remove point-to-point prefixes from IS-IS. This keeps their routing tables small and easier to read. But how does it work? Doesn’t this break things? What are the trade-offs? This post shows you how to configure this solution, and the things you’ll want to consider if you deploy it. It’s super-cool, and you’ll definitely enjoy seeing the mechanics in action!
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Junos is packed full of CLI time-savers that you might not know about. Copying config, renaming, hiding, and saving config – there’s plenty you can do with one single command, when you know how. Give this post a read to find out how to turn your job from a chore into a joy!
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I bet you’ve looked at SNMP Objects like 1.3.6.1.2.1.2.2.1.7 and wondered what on earth it means. Well, let me satisfy your curiosity: by the end of this post you’ll learn how to find SNMP objects to monitor anything you can think of, and you’ll even learn how to know what this number means by sight!
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In this post we show how to configure RSVP in Junos – and then we roll up our sleeves to look at some packet captures of the PATH and RESV messages on the wire. There’s some mighty fine learning in this post!
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I recently received an email from someone asking if I knew a good complete beginners guide to MPLS. Their mail inspired me, so I wrote one for them – and now, I’m sharing it with you! If you’ve always wanted to know what MPLS is, click here to fulfill your deepest dreams.
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Pseudowires are easy on the surface – but dig a bit deeper, and there’s some interesting complexity. Click here to learn the details about BGP-signalled L2VPNs!
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