Network Operations

Internet Service provider topics, Network operations, and other topics. Some topics include Mikrotik, Cisco, Arista and other configurations.

Harvestore WISP Install

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Over the years many MidWestern WISPS have fashioned ways to use Harvestore silos for broadcast locations. With the help of one of our good clients, who did most of the work designing this, we were able to install a very solid structure on the top of a silo. Please note. These photos were taken before … Read more

DDoS attacks in high bandwidth bursts

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https://www.darkreading.com/threat-intelligence/ddos-attacks-hitting-victims-in-high-bandwidth-bursts Security firm Imperva culled the intelligence from nearly 5,600 network-level attacks encountered by its clients to find that attackers continued to increase the intensity of attacks as they also shortened attack duration. More than half of the attacks lasted eight minutes or less, with attackers repeatedly inundating the same companies with floods of data — including one … Read more

Pentagon transfers 175 million IP’s

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As of January 2021, the Pentagon transferred 175 Million IPv4 addresses to a new and unknown Florida based company named Global Resource Systems, LLC.  This came as a bit of a shock to the internet community for the following four reasons….

Mikrotik IoT KNOT application examples

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Many of you are getting familiar with The Internet of Everything (IoT). This naturally leads to the question “What can I do with it?”. Mikrotik has put together a PDF of some real-world examples of how you can put their products to use in the IoT space.

Musings of an ISP engineer Part 1

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-Mondays are for emergencies leftover from the weekend. Try not to schedule meetings or things that can’t be fluid. -Customers lie, even when they don’t do it intentionally. They can’t help it. -Sometimes you have to ask your questions in different ways. The more educated the person you are asking the question to, the more … Read more

Justin’s laws of running an ISP

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Some of you may recognize these similar to Murphy’s laws of combat 1. 3am is when you find out your backups don’t work 2. Incoming ddos attacks have the right of way 3. Don’t look important, important people get asked tech support questions. 4. There is always a way. 5. The easy way requires money. … Read more

Important Cambium Upgrade by July 1, 2021

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UPDATE: Cambium has extended this to January, 31 2022. Updated Bulletinhttps://www.cambiumnetworks.com/support/field-service-bulletins/fsb9083/?fbclid=IwAR0rhizW7jkovSvBFQnUTWyqEKL41nMEceEyfGaeFMAIOIiWNGZTVU0HmTE On July 1, 2021 Cambium will update the certificate for https://cloud.cambiumnetworks.com 14 to use a new Certificate Authority. All cnMaestro managed devices without the updated Root CA certificate will fail to connect to the cnMaestro Cloud service. Please see the following Field Service Bulletin (FSB) for ePMP … Read more

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