Tag: variance
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Reviewing Goals from Last Year
At the beginning of the year, I posted my goals for 2011. How did I do? Not too well. I batted .500, so feel free to boo me.
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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…
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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
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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…
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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.
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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.
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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
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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…
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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.