https://karlaustin.com/tags/linx/Recent content in linx on Me & LifeHugo -- gohugo.ioen-gbSat, 04 Mar 2017 18:41:30 +0000https://karlaustin.com/posts/peertools-automating-notification-of-potential-peers/Sat, 04 Mar 2017 18:41:30 +0000https://karlaustin.com/posts/peertools-automating-notification-of-potential-peers/The Problem When you connect to an internet peering exchange, the IP addresses you’re given for your interfaces will most likely have been used by someone else prior to you, that has left the exchange. This means, because we’re not all good at housekeeping, that you’ll end up with ISPs trying to open up BGP sessions with your routers and if you’re not firewalling them out then you’ll end up with a lot of messages about BGP Opens being received from unconfigured neighbours.