PagerDuty and LibreNMS integration
https://www.pagerduty.com/docs/guides/librenms-integration-guide/
Network Operations
Internet Service provider topics, Network operations, and other topics. Some topics include Mikrotik, Cisco, Arista and other configurations.
Simple Mikrotik DNS cache flush script
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
PTP Backhaul Complete link kit #1
I have been asked a few times on what I would pick for a PTP link. here is what I would recommend as option #1. You can use the RF Elements link planner to judge how far you can go. If you want to dive deeper you can use the Cambium LinkPlanner, which is a … Read more
How many customers on an ap? wrong question
Several years ago, I did an article on How many customers can I fit on an AP? I figured with the introduction of MU-MIMO and other things, it was time for an update. Several concepts still apply, but we now have Multi-User MIMO, better filtering, and better technology. One of the biggest questions I hear … Read more
Netflix, IPV6, and affects of queing
While trying to get my Playstation to download the latest “No Man’s Sky” download quicker I figured I would share a little torch action. This is showing my wife’s Ipad talking to Netflix while she is watching a streaming TV show. Keep in mind this is just an Ipad, not some 4k TV. Some things to note … Read more
Zero Tier networking
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
400 Gigabit randomness
What is the Form Factor for 400G optics? • The first is OSFP OSFP stands for “Octal Small Form-factor Pluggable”. The electrical interface of an OSFP connector consists of 8 electrical lanes, running at 50Gb/s each, for a total of 400Gb/s. I can only imagine how this will be confused with OSPF. • Second is … Read more
AS Stats using sFlow/NetFlow
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
VXLAN terminology and what it means
What are some of the various terminology used in VXLAN? VNI/VNID: Virtual Network Identifier or VXLAN Network Identifier Layer2 VNI carried in VXLAN bridged packets. VNI is configured per VLAN. Layer3 VNI carried in VXLAN routed packets across VTEPs. One L3 VNI per tenant (VRF) Note: Tenant, VRF, L3VNI are sometimes used interchangeably VTEP: VXLAN Tunnel … Read more
China proposes replacement to TCP/IP
China’s “New IP” proposal to replace TCP/IP has a built in “shut up command” for censorship The Chinese government and the Chinese telecommunications companies such as Huawei under its control are proposing a “New IP” addressing system for the internet to replace TCP/IP. The New IP system includes top-down checks and balances and such … Read more