tag:
priority: 380
type: txt
help: Tunnel interface
val_help: <tunN>; Tunnel interface name
syntax:expression: pattern $VAR(@) "^tun[0-9]+$" \
		   ; "tunnel must be (tun0-tun999)"

commit:expression: $VAR(./local-ip/) != "" ;                    \
                   "Must configure the tunnel local-ip for $VAR(@)"
commit:expression: $VAR(./remote-ip/) != "" ;                   \
                   "Must configure the tunnel remote-ip for $VAR(@)"
commit:expression: $VAR(./encapsulation/) != "" ;               \
                   "Must configure the tunnel encapsulation for $VAR(@)"

create:if [ -n "$VAR(./key/@)" ]; then
          KEY="key $VAR(./key/@)";
       fi
       if [ x$VAR(./multicast/@) == xenable ]; then
          MC="multicast on allmulticast on";
       fi
       if [ -n "$VAR(./bridge-group/)" ] && [ "$VAR(./encapsulation/@)" != "gre-bridge" ]; then
          echo "interfaces tunnel $VAR(@): Tunnel encapsulation type must be gre-bridge if a bridge group is defined";
	  exit 1;
       fi
       if [ "$VAR(./encapsulation/@)" == "gre-bridge" ]; then
          ip link add $VAR(@) type gretap local $VAR(./local-ip/@) remote $VAR(./remote-ip/@) ||
             echo "interfaces tunnel $VAR(@): error creating tunnel interface"
       else
          ip tunnel add $VAR(@) local $VAR(./local-ip/@) remote $VAR(./remote-ip/@) mode $VAR(./encapsulation/@) $KEY ||
             echo "interfaces tunnel $VAR(@): error creating tunnel interface"
       fi
       ip link set $VAR(@) $MC up ||
          echo "interfaces tunnel $VAR(@): error setting tunnel interface active"

delete: ip link set $VAR(@) down
        if [ "$VAR(./encapsulation/@)" == "gre-bridge" ]; then
          ip link delete $VAR(@) 
        else 
          ip tunnel del $VAR(@) mode $VAR(./encapsulation/@)
        fi
end: if [ ${COMMIT_ACTION} = "DELETE" ]; then
	/opt/vyatta/sbin/vyatta-tunnel-cleanup
     fi