The physics of twisted pair cabling
The folks over at Fluke networks have a great post on why cabling, such as cat-5, is twisted.
Network Operations
Internet Service provider topics, Network operations, and other topics. Some topics include Mikrotik, Cisco, Arista and other configurations.
Udemy course of the week: Cyber Security
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IPV6 NAT-PT to communicate to an ipv4 only device
You have a device that only does IPV4 and you want to communicate with it via IPV6.
Mac OSX Masscan – helpful utilities
One of the network utilities I use the most in network discovery is masscan. This utility will scan all the hosts on a given subnet for a particular port.
MTR Traceroute and you
MTR is a visual application that combines the functionality of the traceroute and ping in a single network diagnostic tool.
Helpful nmap commands
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Helpful Librenms commands for fixing broken installs
Librenms troubleshooting for broken and non-working installs.Fix your Librenms install
Troubleshooting a fiber optic link on Cisco switches
This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more
Siklu 80GHZ alignment
Installer using the new alignment “scope” from Siklu. This is pointed up to the Soldiers and Sailors monument in downtown Indianapolis, Indiana.