186d7f5d3SJohn Marino#!/bin/sh 286d7f5d3SJohn Marino 386d7f5d3SJohn Marinoold_unit=$1 486d7f5d3SJohn Marinonew_unit=$2 586d7f5d3SJohn Marino 686d7f5d3SJohn Marinoif [ $old_unit != -1 ]; then 786d7f5d3SJohn Marino ifconfig sl$old_unit delete down 886d7f5d3SJohn Marino if [ $new_unit == -1 ]; then 986d7f5d3SJohn Marino route delete default 1086d7f5d3SJohn Marino fi 1186d7f5d3SJohn Marinofi 1286d7f5d3SJohn Marino 1386d7f5d3SJohn Marinoif [ $new_unit != -1 ]; then 1486d7f5d3SJohn Marino ifconfig sl$new_unit <address1> <address2> 1586d7f5d3SJohn Marino if [ $old_unit == -1 ]; then 1686d7f5d3SJohn Marino route add default <address2> 1786d7f5d3SJohn Marino fi 1886d7f5d3SJohn Marinofi 19