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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It’s the fourth and final part of our introduction to IS-IS! You’re now ready to learn how to troubleshoot and verify everything you’ve done, as well as learning how to read the IS-IS database. You’re really close to the finish line, so don’t give up!
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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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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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Container LSPs let us automatically create MPLS LSPs when we need them, and tear them down when we don’t. We can automate load-balancing, and keep the state in our network to a minimum. It’s really nice! Click here to read all about them, in the third and final part of this series on MPLS bandwidth, and automating our network to get the most out of it.
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Setting RSVP bandwidth reservations automatically is very prone to error. Luckily, there’s a better way: we can automate the whole thing using the Junos auto-bandwidth command. Let’s take a look at some cool new Juniper config!
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RSVP lets us create LSPs that reserve bandwidth in advance. And that’s exactly what this three-part blog post series is all about! In this first post we’re going to learn how we combine bandwidth and priorities to get the most out of the bandwidth in our network. Click here for good times!
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