Icmp on Vinh Phamhttps://vinhdata.com/tags/icmp/Recent content in Icmp on Vinh PhamHugo -- gohugo.ioenVinh PhamTue, 13 Oct 2026 10:05:00 +0700Routes between networks: BGP, route selection and ICMPhttps://vinhdata.com/writing/2026/networking-foundations-5-routes-between-networks/Tue, 13 Oct 2026 10:05:00 +0700https://vinhdata.com/writing/2026/networking-foundations-5-routes-between-networks/Nobody types the route from one network to another. Routers announce prefixes with the path they took, pick by policy before path length, and use ICMP to say what went wrong. Part 5.