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Thoughts on network engineering from Jeff McLaughlin

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Category: JNCIE

April 17, 2015April 17, 2015

Hub and Spoke with BGP

In my previous post, we saw the theory behind hub-and-spoke VPN. We saw how H/S involves multiple VRFs with cross-importation between them, and we traced the basic flow of a route advertised from one spoke to another. Next, we are going to look at two options for configuring H/S VPNs. In this post, I will […]

JNCIE, Junos, RoutingTagged hub and spoke, mpls, vpn14 Comments on Hub and Spoke with BGP
December 31, 2014

Hub and Spoke VPN Part 1

One of the JNCIE-SP exam objectives I found difficult was hub and spoke VPN. Conceptually it’s not easy, and as is often the case, the documentation is only somewhat helpful. This series of posts is designed to walk you through the concepts of hub and spoke VPN, as well as its basic configuration using BGP, […]

JNCIE, Junos, RoutingTagged hub and spoke vpn, layer 3, mpls5 Comments on Hub and Spoke VPN Part 1
December 9, 2014December 11, 2014

JNCIE-SP Experience

This is a follow-up to my previous post on the JNCIE-SP exam. Some thoughts about the experience of taking the JNCIE exam, especially versus Cisco:

JNCIETagged jncie-sp4 Comments on JNCIE-SP Experience
December 5, 2014December 5, 2014

Passed JNCIE-SP: Initial Thoughts

Back to the blog, now that the JNCIE-SP is finished. I got #2332. The last time I did an expert-level exam was 2008, and I forgot just how challenging it is. I passed my JNCIP in June and it took me until November, working solidly most of the time, to get my number. It’s been […]

JNCIETagged ccie, jncie-sp, juniper2 Comments on Passed JNCIE-SP: Initial Thoughts

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