case $reason in BOUND|RENEW|REBIND|REBOOT) if [ -n "$new_minigraph_url" ]; then echo $new_minigraph_url > /tmp/dhcp_graph_url else echo "default" > /tmp/dhcp_graph_url fi if [ -n "$new_acl_url" ]; then echo $new_acl_url > /tmp/dhcp_acl_url fi ;; esac