moesoha

#!/bin/sh

# gathering all interfaces with IPv6 link-local address
for with_ll in $(cat /proc/net/if_inet6 | grep "^fe80" | tr -s ' ' | cut -d ' ' -f 6 | sort -u); do
	# POINTOPOINT flag is 1 << 4, filter non-PTP interfaces out
	if [ $(expr \( $(($(cat /sys/class/net/$with_ll/flags))) / 16 \) % 2) -ne 1 ]; then
		continue
	fi
	cost=65535
	ping_rtt=N/A