MY JNCIE-SP EXAM EXPERIENCE
It’s official: as of November 2019, I am now JNCIE-SP #2981. And I have the socks to prove it. Click to find out what exam day was like, and whether I think you should take the exam yourself.
Read more
Author: Chris
HOW TO STUDY NETWORK ENGINEERING, WITHOUT FEELING GUILTY FOR NOT STUDYING
A netizen on the world wide web – you know: the information superhighway – reached out to me and some
Read more
HUB-AND-SPOKE MPLS L3VPNs – ADVANCED CUSTOMISATION, ON JUNIPER JUNOS ROUTERS
Hey there: this is part 3 in my series on hub-and-spoke MPLS VPNs! In this post we see the dangers of commands like as-override and independent-domain – and then, we see how to fix the problems they cause. Strap in!
Read more
HUB-AND-SPOKE MPLS L3VPNs WITH ONE INTERFACE, ON JUNIPER JUNOS ROUTERS
There’s a few different ways of configuring a hub-and-spoke MPLS VPN. In this blog post we learn all about the “one interface” approach. Whether you’re an architect or a student of the JNCIE, you’ll want to know this one inside out!
Read more
HUB-AND-SPOKE MPLS L3VPNs WITH TWO INTERFACES, ON JUNIPER JUNOS ROUTERS
Hub-and-Spoke VPNs work a little differently than your regular full-mesh MPLS VPN. Want to learn the extra config required for this unique topology? Then click this post for some good learning!
Read more
TERMINATING ACTIONS IN JUNOS ROUTING POLICY (Sample Chapter from Juniper’s Ambassadors Cookbook 2019)
Routing policy in Junos can be a little confusing for beginners – but when it clicks, you’ll see that you can do some truly powerful stuff! Give this post a read to learn all about it!
Read more
INTERPROVIDER OPTION C, ON JUNIPER JUNOS ROUTERS – PART 3: USING RSVP, AND PUTTING BGP-LU INTO INET.0
In this third and final post on Interprovider Option C, we replace LDP with RSVP. Plus, we see the impact of putting BGP-LU in Juniper’s inet.0 table. Put your science hat on, and click here!
Read more
INTERPROVIDER OPTION C, ON JUNIPER JUNOS ROUTERS – PART 2: THE THREE LABEL STACK, AND THE USE CASE VS OPTION B
In Part 2 of this series we take a look at the label stack in Interprovider Option C. Plus, we look at the use case, and compare it to Option B. Plus: win a trillion pounds! (Not true)
Read more
INTERPROVIDER OPTION C, ON JUNIPER JUNOS ROUTERS – PART 1: CONFIGURATION WITH LDP (INCLUDES FULL TOPOLOGY CONFIG!) (JNCIP-SP, JNCIE-SP)
The first in a three-part series explaining Interprovider Option C on Juniper routers! In this post: what is it, and how is it configured? Click here to obtain that 420-69 IQ you’ve always dreamed of.
Read more
A QUIRK OF TRACEROUTE THAT YOU’LL WANT TO KNOW ABOUT
Traceroute seems such an obvious tool. Who would ever have thought there were so many gotchas? Give this post a read to learn a new one you probably didn’t know!
Read more