RedWarriorNet

Wireless In Healthcare

redwarrior77 — Tue, 28 Jul 2009 18:53:57 +0000

And now for something completely different! Life has thrown me a curve ball this month, which helps explain my recent absence. Without getting into any gorey details, suffice it to say that my relationship and living situation status has abruptly changed, which is also putting my financial status into an unknown state. Still, happily, life goes [...]

BGP Burnout!!!!

redwarrior77 — Sun, 28 Jun 2009 13:30:04 +0000

Yep, I’ve hit that wall this weekend. There’s that point in studying where your brain almost stages a revolt, spewing back anything more you try to force into it. It just stubbornly refuses to take any more in! Luckily, I’m still doing well with my study timeline for this month, so for me this just [...]

Term of the Day - Atomic Aggregate!

redwarrior77 — Thu, 25 Jun 2009 13:56:18 +0000

I think I might be the type that is easily amused, but I love a good networking term. My latest one is Atomic Aggregate, which refers to a “well-known discretionary” attribute that can be attached to a BGP route. That all is just a fancier way of saying that this is a route attribute that [...]

The Ants Go Marching Into BGP!

redwarrior77 — Tue, 23 Jun 2009 20:00:17 +0000

I saw a car this morning with the license plate BGP4 and I couldn’t help but wonder if it was another network geek on his way to work. If he was, perhaps he is in more need of a hobby than I am! After an early start on some wireless survey work and a long day [...]

We are Living in a Multicast World and I am a Multicast Girl

redwarrior77 — Sun, 21 Jun 2009 12:40:42 +0000

I’ve spent most of this weekend, save for a trip downstate to visit the farmer’s stands, studying Integrated IS-IS and Multicast, two very different topics. At first, I was whining beyond belief at having to study IS-IS. I’d heard it was a difficult topic and I also knew that it is rarely seen outside ISP’s. [...]

Multi-Area OSPF LSA Types

redwarrior77 — Sat, 20 Jun 2009 12:57:31 +0000

I started off my studies today with some review of multi-area OSPF before I dive back into IS-IS, which is definitely proving to be a challenging topic. One of the toughest things for me to grasp about OSPF so far as been the different LSA types that routers use, which routers use them and which [...]

The Lab of the Real World

redwarrior77 — Fri, 19 Jun 2009 01:25:41 +0000

I don’t know if it is coincidence or not, but it seems to happen often enough that I’m beginning to wonder. It seems like I will get ready to study something for an exam and then all of a sudden there is a need for me to practice this skill in the real world, [...]

First OSPF Lab…In the Beginning, There Was Area 0…

redwarrior77 — Mon, 15 Jun 2009 01:58:31 +0000

Ok, I have to apologize to the good people at Wordpress. It looks like my issues with uploading images in version 2.71 was more about having installed Google Gears in a vain attempt to get my poor other blog which I upgraded to 2.8 working. Anyhow, above is the topology I was working with at home this weekend. Routers R1, R2, R3, and R4 each have an interface in the broadcast network connected to the switch. This broadcast network is area 0. Each of these routers has various loopback interfaces configured and advertised in OSPF in different areas. The point-to-point link between R2 and R5 is area 51 and is configured for OSPF. The link between R1 and R5 is another broadcast ethernet segment and is configured as area 2. I plan on adding a network off of R5 in a new area that will need a virtual connection back to area 0 just for fun and hopefully a NBMA segment off one of the other routers to play with setting RouterID's to rig a DR election and using neighbor statements. Below are the outputs of "show run", "show ip protocol", and "show ip route" for each of the routers, with the output trimmed a bit for brevity.

Week 2 of BSCI Studies…OSPF is a LOT to Digest!

redwarrior77 — Sun, 14 Jun 2009 13:19:56 +0000

I’m starting week 2 of my BSCI studies as well as the very beginnings of my CCIE studies. So far I’m about halfway through my first read of Routing TCP/IP vol. 1 and eagerly awaiting the arrival of my BSCI lab portfolio. I’ve done all my initial reading and study of EIGRP and done a [...]

Still Subnetting After All these Years…

redwarrior77 — Thu, 11 Jun 2009 19:08:10 +0000

Yes…I can STILL subnet!!! Ok, so you may laugh, but it’s not something I actually have to do all the time at work. We have pretty much everything except links bewteen routers and a few random devices set up with nice and easy /24 networks. (I know, lazy and wasteful maybe, but easy on the brain.) [...]