root/sbin/ifdown

   1 #!/bin/ash
   2 . /etc/functions.sh
   3   type=$1
   4   debug "### ifdown $type ###"
   5   if=$(nvram_get ${type}_ifname)
   6   if_valid $if || return
   7   kill $(cat /var/run/${if}.pid 2>&-) 2>&-
   8   $DEBUG ifconfig $if down