#!/bin/sh
# Label wan_fallback address so legacy tools show eth0.2:9

[ "$ACTION" = "ifup" -o "$ACTION" = "ifupdate" ] || return 0
[ "$INTERFACE" = "wan_fallback" ] || return 0

DEV="${DEVICE:-$(uci -q get network.wan_fallback.device)}"
[ -n "$DEV" ] || return 0

# Replace unlabeled address with labeled alias
ip addr del 172.31.255.254/30 dev "$DEV" 2>/dev/null
ip addr add 172.31.255.254/30 dev "$DEV" label "${DEV}:9" 2>/dev/null

