Iproute2

The Linux ip tool used to manage networking. Created by the linux kernel developers

TODO:

this is fascinating. read all man pages and organize these docs properly

Documentation

man ip	https://man.archlinux.org/man/core/iproute2/ip.8.en
src	https://mirrors.edge.kernel.org/pub/linux/utils/net/iproute2/

Locations

/etc/iproute2/rt_tables

defines routing tables and ids

Tutorials

routing intro

https://blog.scottlowe.org/2013/05/29/a-quick-introduction-to-linux-policy-routing/

Routing

Tools

ip rule   # manage policies that choose the routing-table for a packet
ip route  # manage routing-tables
ip vrf    # associate a routing table to a networking device
ip netns  # create a seprate network stack (devices, rules, routes, firewall)
# .. likely more..

Routing Policy

Rules direct traffic to a routing table.

ip rule

Routing Table

Routing tables

ip route