Posts Tagged ‘Computer’

Adventures in Networking: Setting Up a Home Network with EdgeOS

As promised, the summary of everything I’ve done to date. I’m still messing with IPv6, and I found my VLAN settings were all messed up, so expect some more updates on this topic. So far, though, here’s what I have, from start to finish:

Adventures in Networking, Part 1: Intro

Adventures in Networking, Part 2: Initial Setup

Adventures in Networking, Part 3: Switch It Up

Adventures in Networking, Part 4: Zone Defense

Adventures in Networking, Part 5: Splunking

Adventures in Networking, Part 6: IPv6

I’ll continue to add more as I play around with my network!

Adventures in Networking, Part 6: IPv6

This is finally the end of my series on setting up my EdgeRouter and all the fun I had with it. This part was the hardest part, but it was also quite the learning experience: getting IPv6 up an running on my router. It took a lot of work, muddling around with configs, and reading a lot of articles, but in the end I passed the IPV6 Test with a score of 100%, which is something that I never could have done before. So read more to see the (current) conclusion of this endeavor.

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Adventures in Networking, Part 5: Splunking

When I finished part 4, I had a zone-based firewall set up with rules for traffic between each zone. Since I started with a locked-down configuration, how did I know what was getting blocked, especially those services that may run in the background without any user intervention? I solved this, and many other problems, by using Splunk to analyze my firewall rules and figure out what was getting blocked.

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Adventures in Networking, Part 4: Zone Defense

After part 3, I had a fully-functioning, switched network. So then why would I want to change that? Ah, because if it ain’t broke, you aren’t doing it right. As I stated before, ACL-based firewalls are limited, defining only inbound, outbound, and local (to the router) rules on each interface. I didn’t like that limitation, since it wasn’t granular enough for those VLAN-to-VLAN connections. Fortunately, though, EdgeOS has the capability to get as strict as you want, but you better be ready for some CLI configurations!

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Adventures in Networking, Part 3: Switch It Up

When I ended part 2, I had a functioning router with a WAN interface and two subnets. But unless you only have a couple of clients to connect to the router, how are you going to turn that one interface into many? Hubs are stupid and broadcast everything. A switch is better because it limits collision domains. However, with two subnets, using just one switch is rather pointless as it would join them together. What is needed is a managed switch so we can set up VLANs and separate those networks. So that’s what I bought.

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Adventures in Networking, Part 2: Initial Setup

Part 1 was the intro; now let’s assume that you just bought your EdgeRouter Lite, unboxed it, and plugged it in. Now what? It’s not exactly a plug-and-play device. Fortunately, it’s not too hard to set it up, and there is a lot of help with EdgeOS if you need it.

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Adventures in Networking, Part 1: Intro

I’m no CCNA, but computer networking is fun. I’ve always been the kind of person to configure everything by hand, build computers, hack up scripts to get things done, and so on. Years ago, I flashed my Linksys router with dd-wrt in order to get the most out of it (better performance mainly), but I was never really satisfied with that. The biggest gap was the lack of IPv6: because my router only had 4 MB of RAM, it could not load a dd-wrt version with IPv6 support. Once Comcast started handing out IPv6 addresses to my (purchased, not rented) Motorola Surfboard cable mode, which I discovered entirely by accident, I was even more unhappy. Alas, though, I was stuck with what I had for a while.

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  • Current Mood: Tired

Radeon BSOD update

A while ago I posted about issues with my Radeon R9 graphics card and constant BSODs when the monitor would go into power-saving mode. Well, soon after I posted that, AMD released their newest version of the Catalyst Control Center (Catalyst version 14.4, Driver Packaging Version 14.10.1006-140417a-171099C). When I updated to this version of CCC, and attempted to re-enable “Turn off the display” under Power Options, this time it would sleep without any BSODs. I’ve been running this version for several weeks now, so if you have this problem on Windows 7, upgrade your CCC software.

Radeon R9 and the dreaded BSOD

Recently I purchased components to upgrade my 5-year-old computer to give it a little bit more power. I got an AMD FX-8350 8-core processor, Asus M5A99FX motherboard, and a Radeon R9 270 video card to display it all. My original plan was to use that card in concert with my old Radeon HD 4870 video card, but it turns out the latter was too old and the drivers would recognize one or the other, but not both. No matter, the R9 could drive all three of my monitors once I figured out I had to use the DisplayPort for one of them.

The real issue was that often, when I would return to my computer after a time away so that the displays were turned off, I would get the dreaded BSOD an an error from the atikmpag.sys driver (this is on Windows 7). I looked high and low for an answer, but ultimately found nothing. Instead, I changed the power settings so that the displays are never turned off, and that solved the problem.

Maybe newer drivers will solve this eventually, but if anybody has a problem with this issue, adjust the power settings.

  • Current Mood: "You and Me", The Cranberries

My workspace

Here’s my computer desk. Three monitors definitely helps…