Stop IPv4 Point-To-Point Addressing your Networks

IPv4 addressing on links is no longer required to route IPv4. What you say?? Yes, you can stop IPv4 addressing your point to point links with Legacy…

NAT64: Using `jool` on Ubuntu 20.04

I found that jool has very good tutorials, but all the commands to get going are hidden in these large tutorials. Here are the steps I took…

Raspberry Pi Powered Fireplace

Mr Aijay Adams and I am back making my Fireplace Internet / Smart device controllable. Now, via a very sexy Web UI, when I’m heading back to…

nftables

Are you using the latest Linux kernel firewall?. Here are some notes I’ve saved that I use and forget all the time. I plan to add to…

RPM vs OPKG Cheat Sheet

Recently in the Terragraph project I work on we changed from RPM to OPKG to removes some dependencies (e.g. perl) and make our overall image size smaller….

IPv6 + Flow labels

Recently a teammate and I have come across a frame forwarding issue with ECMP on a hardware ASIC in a device I work on where the use…

NXOS Simple IPv6 BGP Peering

It took me far to long to find out how to config this, so I’m sharing it to be more searching on the Internets. Scenario: – NXOS…

GitHub + Rebasing from upstream/master to origin/master

So, every now and then on a PR I need to rebase and fix things so I can retest etc. – I always forget this so blogging…

IPv6 Tacacs+ Support (tac_plus)

Recently @ Facebook we found that we required IPv6 access to TACACS for auth (AAA) for the majority of our production Network Equipment. Tacacs+ (tac_plus) is an old…

IPERF CSV Data Summary Script

Recently I was required to do a network performance test between a Head Office and a WAN site. I knocked up this quick python script to parse…