Theme by Anders Norén
We all know the lovely routing daemon called Bird. However, the official documentation can be a bit lacking and daunting. Here’s my collection of useful examples
Issues with EX4200 – RPD_RT_PREFIX_LIMIT_REACHED: Number of prefixes (16384) in table inet.0 reached configured maximum (16384).
Ever wondered what “xe” means in traceroutes?
Once again, I compiled a list of Vultr transits per location into a spreadsheet
Did you know that “2130706433” is a valid IPv4 address, and pinging it from major OSes will yield a positive result? Let’s look into how it works.
While it is possible to use a Linux based router in an internet exchange setting, there are some tweaks one has to make in order to not cause any trouble.
How to force a DHCP server to hand over /32s, while running on a different /32 subnet.
Solving a tricky problem with ECMP between two machines, where one system refused to balance connections at random intervals.
A collection of looking glasses of various ISPs