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#! /bin/bash
#
# Usage: vyatta-link-detect devicename on|off
#
usage() {
echo "Usage: $0 devicename {on|off}"
exit 1
}
if [ $# -ne 2 ]; then
usage
fi
case $2 in
on) sudo sysctl -w "net.ipv4.conf.$1.link_filter=2"
# sudo sysctl -w "net.ipv6.conf.$1.link_filter=2"
cmd="link-detect" ;;
off) sudo sysctl -w "net.ipv4.conf.$1.link_filter=1"
# sudo sysctl -w "net.ipv6.conf.$1.link_filter=1"
cmd="no link-detect" ;;
*) usage;;
esac
exec vyatta-vtysh -c "configure terminal" -c "interface $1" -c "$cmd"
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