#!/bin/sh failsafe_ip() { [ -d /proc/switch/eth0 ] && [ "$ifname" = "eth0" ] && { ifconfig eth0 0.0.0.0 down echo "0 1 2 3 4 ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports } [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && { ifconfig $pi_ifname $pi_ip netmask $pi_netmask broadcast $pi_broadcast up } } boot_hook_add failsafe failsafe_ip