2 IPv4 Default Gateway

tengel edited this page 2024-09-05 08:27:27 -05:00

Default IPv4 gateway out of ip

#!/bin/sh

# get ipv4 default gateway with ip / grep

# This uses a parsing quirk of `ip`, 1 == 1.0.0.0
#  see iproute2/lib/utils.c -> get_addr_ipv4()
ip -4 -oneline route get 1 | grep -Po 'src \K([\d.]+)'

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