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Aaron's Worthless Words

It's possible that someone somewhere needs to know this.

2011-12-23
17 3 junos

Junos – VPN Hierarchy

We all know that the configuration on a Junos box is very hierarchical. Sometimes it doesn’t make a lot of sense, but it’s all a pretty cascade of code. One of the big messes that I’ve found is the VPN configuration hierarchy; there are way more items to configure than on an IOS device. To reinforce the stpes in my head, I thought I’d get some of the pieces into a post.

2011-12-12

VRF-Aware IPSec Tunnels

Man, time is hard to come by of late.  I’ve had so little time to rest that’s it’s hard to get my thoughts together.  It’s a good thing in this case, though, since it’s my fantastic job that’s taking all my time.  It’s great to see new network and learn their internals…especially when they were […]

2011-11-02
15 11 misc

Bigger and Better Things

I like to take a month or so off from blogging during the summer, but my CCIE R&S written studies pushed that back a bit. I’ve finally got my lazy self back on track, but it may just be for a few days since I’ve accepted a new job in another city and am in the process of moving.

2011-09-12
15 10 misc

A Little OSPF Story

Here’s a story from last week with little of no teaching value. I got a call from one of our business units looking for some routing help. We don’t usually care about their production networks, but they were seeing some funky traceroutes, so I agreed to try and help them out.

2011-08-23
16 14 ccie

CCIE R&S Written – Epic WIN!

The wife and I had a romantic day driving several hours to a small town to take Cisco exams. If this doesn’t get me some action, I don’t know what else to try.

2011-08-08

Invisible fences for VLANs

This week we have a guest post from CJ Infantino. He is currently writes on convergingontheedge.com. You can find him hanging out on Google Plus as CJ Infantino or follow him @cjinfantino on twitter. ————————————- The other day I was adding VLANs to the the allowed list on the core routers at work. It was […]

2011-07-30

OSPF and Loopback Interfaces

I was studying via Google+ Hangout the other day with CJ and Rob, and one of the topics that came up was the idea of OSPFv2 advertising all loopbacks as 32-bit no matter what the configured mask is. I rarely use loopbacks outside of a lab and had no idea, so I set up a quick lab to see for myself. Sure enough! That’s exactly what I saw.

2011-07-18
48 12 ccie

CCIE R&S Written – Epic Fail

I’ve spent the last month or so with my nose down in a book and my mouse in a Google+ Hangout window studying my rear off for the CCIE R&S Written. Too bad I didn’t pass it.