help: Set to redistribute kernel routes
delete:expression: "touch /tmp/ospf-redist-kernel.$PPID" 
end: vtysh -c "configure terminal" \
                  -c "router ospf"        \
                  -c "no redistribute kernel";
     if [ -f "/tmp/ospf-redist-kernel.$PPID" ]; then
        rm -f /tmp/ospf-redist-kernel.$PPID;
     else
        if [ -n "$VAR(./metric/@)" ]; then
           COND="metric $VAR(./metric/@)";
        fi;
        if [ -n "$VAR(./metric-type/@)" ]; then
	   COND="$COND metric-type $VAR(./metric-type/@)";
        fi;
        if [ -n "$VAR(./route-map/@)" ]; then
           COND="$COND route-map $VAR(./route-map/@)";
        fi;
        vtysh -c "configure terminal" \
                     -c "router ospf"        \
                     -c "redistribute kernel $COND";
     fi;