#!/bin/sh -e

test -z "$1" && echo "Usage: $0 d4:ca:6d:01:4c:f2" && exit 1

mac=$1

. ./shm-trunk.regex

grep -r -i $mac /dev/shm/snmp-mac-port/ | tee /dev/shm/mac.$mac | grep --file /dev/shm/trunk.regex -v | cut -d: -f2-
echo "# mac $mac on "`cat /dev/shm/mac.$mac | cut -d: -f2- | cut -d' ' -f1 | sort -u | wc -l`" switches"