How to Increase the CLI Character Limit in Junos
Networking devices like Junos will cut off your CLI input if you type too much. But did you know there’s an easy fix? Let me show you.
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Route Distinguishers: The Secret To Load Balancing In Multihomed MPLS VPNs
There’s three types of route distinguisher – and one of them unlocks some seriously useful advantages. If you don’t know how to use route distinguishers for load balancing inside an MPLS VPN, then this post is for you. Junos config, but vendor-neutral theory. Give it a read!
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Junos: IS-IS Study Notes, Part 5 – Troubleshooting (For JNCIS-SP and JNCIS-ENT Students)
It’s the fifth and final part of our lessons on IS-IS! You’re now ready to learn how to troubleshoot and verify everything you’ve done so far. You’re really close to the finish line, so don’t give up!
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MPLS Segment Routing, Part 2: Junos Config!
It’s time to learn how to configure MPLS segment routing in Junos! In this second part of my ongoing series I show you how easy it is to use SR as a replacement for LDP. The config is easy, and you’ll be itching to do it by the time you read this post.
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How To Read A Junos Class-Of-Service Configuration
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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Junos: IS-IS Study Notes, Part 4 – Levels, Areas, The Attached Bit, and Default Routes
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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CLEAN UP YOUR ROUTING TABLE! REMOVING POINT-TO-POINT SUBNETS FROM IS-IS, IN JUNOS
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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FIVE BRILLIANT JUNOS TIME-SAVERS YOU MIGHT NOT KNOW ABOUT
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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SNMP OID: THOSE RANDOM NUMBERS ACTUALLY MEAN SOMETHING!
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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RSVP: CREATING MPLS LSPs IN JUNOS (FOR JNCIS-SP STUDENTS)
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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