tools Archives - j2sw Blog

10 Gig thunderbolt adaptor for troubleshooting

*correction to the original post* Being a mac user, I forget not everyone has thunderbolt ports. Many of the folks I talk to are deploying more and more 10Gig switches and links. ISP and network techs are used to plug in a laptop for a quick test. How do you do that with 10Gig fiber? Here is your answer! This device is one way to help diagnose issues and connectivity on those 10Gig links. Just need thunderbolt on your laptop. You can insert...

March 11, 2023 by j2sw Equipment

A tool to find out if BGP is lying to you

APNIC has a bog article on detecting “bgp lies”. https://blog.apnic.net/2021/05/24/a-tool-to-detect-bgp-lies/Do you ever wonder whether you can really trust other networks, such as your provider(s) and peers? More precisely, wouldn’t you like to be able to tell if the traffic you send always flows through the paths received in the Border Gateway Protocol (BGP)? Could it be that, for some prefixes, the forwarding path might differ?

May 24, 2021 by j2sw BGP Networking

Dual monitors.sure. five monitors..can you keep track

With all of the people working from home with the Covid-19 restrictions, I see the topic of multiple monitors come up quite often on Facebook discussions. If you are not a fan of having more than one monitor you need to listen to the following video. This is an excellent video on time management. If you want to skip to the dual monitor stuff it starts at 27:15 The question is how many monitors are too much? How much information can your brain...

March 30, 2020 by j2sw Gear

Random Tower Site photo

November 13, 2019 by j2sw Tools Tower

Helpful web-sites for ISPs Part 1

Over the years a good network admin collects websites which are useful in their job. I have put together a partial list

September 20, 2019 by j2sw Tools xISP

tool of the Week: Primus folding cable caddy

This Cable Caddy measures 20″ by 16″ and is the ideal installers’ tool of choice for bulk cable distribution.

July 18, 2019 by j2sw Tools

Tower Climb items you never have enough of

If you are like me you get to a tower site and don’t have enough Carabiners, or something You make a mental note to order more, but after a long day you forget

June 27, 2019 by j2sw Tools Tower