Category: Networking
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Rogue Access Point Detection/Mitigation
This is the article relating to my 2011 MUM presentation. I was trying to think of something fun and different for this year’s MUM, so I came up with rogue access point detection/mitigation. The project surrounds having a Mikrotik probe connect to any open access points it can find. It then trys to access a…
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Standard Compact Flash Card In A Cisco Router
It’s well known that Cisco wants to sell you a 512MB compact flash card for $150. So, what’s so special about the Cisco branded ones? They have a Cisco sticker on them. I just bought a couple of 2GB compact flash cards, formatted them in my router, and they work like a champ! No flash…
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Quick Start On Unifi
I had a few troubles getting started with Ubiquiti’s Unifi platform. So far I really like the gear and the configuration method, there are just a few sticking points when getting started. Have a look at the video below to see how I bypassed the “stuck in adopting” issue as well as having a standard…
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Cisco ASA SSH, Don’t Forget To Generate A Key
If you are just now enabling SSH and you get the following error message: SSH session from XXX.XXX.XXX.XXX on interface Outside for user "" disconnected by SSH server, reason "Internal error" (0x00) It looks like you need to generate an RSA key for SSH: crypto key generate rsa modulus 1024
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Cisco 6500/7600 In Service IOS Upgrades
If you have redundant processors, why not take advantage of it. You can upgrade the IOS on the redundant processor, fail over to it, then do the same to the primary. In theory you will see no outtage. Cisco’s link.
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Atheros Adaptive Noise Immunity (ANI)
In the Atheros AR5212 and newer chipsets there is a new feature called Adaptive Noise Immunity. It is basically a hardware noise reduction technology. Adaptive Noise Immunity (ANI) adjusts various receiver parameters dynamically to minimize interference and noise effect on the signal quality. I’ve got some 2.4 gear in a noisy neighbor hood and I…
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Cisco 7600 Or 6500 Boots To Rommon
If you boot straight to rommon on your 7600, with a message saying that it is unable to find boot file: Autoboot: failed, BOOT string is empty Then first check the boot flash on the supervisor: rommon 1 > dir bootflash: You will most likely see something along the lines of : rommon 1 >…