Network Operations
Internet Service provider topics, Network operations, and other topics. Some topics include Mikrotik, Cisco, Arista and other configurations.
Don’t forget tower training and equipment
As you enter the winter in most of the United States, set aside some time to review your equipment status for your tower climbers. Are their harnesses in need of replacement due to age? What times were you always short of on tower sites this year? Carabiners? Bolt bags? Rope? Contact Lee at TowerOneInc.com to … Read more
The ever-evolving service provider
Some of you may have noticed a subtle difference in the title. In many of my previous posts and articles, wISP was written as WISP. Note the capitalization of W. This represents a shift from Wireless Internet Service Providers (WISPs) becoming a more hybrid approach to service delivery. What does this mean? Are Wireless providers … Read more
A consultant’s perspective
Throughout this series, I have included some of my own perspectives where relevant. This post is some of the things I look at from my perspective. Some things I have gotten right over the years and some things I have screwed up. When I evaluate a client, I look at a few things. Do they … Read more
Ninjas and network admins
From my early youth, Ninjas have been a fascinating subject for me. They are what attracted me to my main hobby of collecting G.I. Joes. Movies like American Ninja, Ninja Magazine, and the 80’s Ninja craze fueled this passion. Several of the stories in the comics centered around Storm Shadow and Snake Eyes, who were … Read more
DNS Reaper tool
DNS Reaper is yet another sub-domain takeover tool, but with an emphasis on accuracy, speed and the number of signatures in our arsenal! We can scan around 50 subdomains per second, testing each one with over 50 takeover signatures. This means most organisations can scan their entire DNS estate in less than 10 seconds. https://github.com/punk-security/dnsReaper?utm_source=tldrnewsletter
Learn BGP for $6.99 for My Patreons
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
Switch VLAN configuration de-mystified
There seems to be a great deal of confusion when it comes to VLAN configuration across different platforms. In this article, I am going to clarify some often misunderstood terms and bad configurations I see. Let’s start with some terms Tagged Frame – A tagged frame includes a VLAN ID in the header. Untagged Frame … Read more
Data Center redundancy explained
Fiber Store has an article explaining what things like N+1 and other terms used to describe Data Center redundancy mean. https://community.fs.com/blog/understanding-data-center-redundancy.html