diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/DefaultTrafficSelector.java b/core/api/src/main/java/org/onlab/onos/net/flow/DefaultTrafficSelector.java
index 960eb02..352f604 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/DefaultTrafficSelector.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/DefaultTrafficSelector.java
@@ -188,7 +188,7 @@
         }
 
         @Override
-        public Builder matchOpticalSignalType(Byte signalType) {
+        public Builder matchOpticalSignalType(Short signalType) {
             return add(Criteria.matchOpticalSignalType(signalType));
 
         }
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/TrafficSelector.java b/core/api/src/main/java/org/onlab/onos/net/flow/TrafficSelector.java
index aaf0ece..dd8e2ae 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/TrafficSelector.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/TrafficSelector.java
@@ -147,7 +147,7 @@
          * @param signalType
          * @return a selection builder
          */
-        public Builder matchOpticalSignalType(Byte signalType);
+        public Builder matchOpticalSignalType(Short signalType);
 
         /**
          * Builds an immutable traffic selector.
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/criteria/Criteria.java b/core/api/src/main/java/org/onlab/onos/net/flow/criteria/Criteria.java
index aba5680..a1ac5f8 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/criteria/Criteria.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/criteria/Criteria.java
@@ -161,11 +161,11 @@
     /**
      * Creates a match on lambda field using the specified value.
      *
-     * @param lambda
+     * @param sigType
      * @return match criterion
      */
-    public static Criterion matchOpticalSignalType(Byte lambda) {
-        return new OpticalSignalTypeCriterion(lambda, Type.OCH_SIGTYPE);
+    public static Criterion matchOpticalSignalType(Short sigType) {
+        return new OpticalSignalTypeCriterion(sigType, Type.OCH_SIGTYPE);
     }
 
 
@@ -587,10 +587,10 @@
 
     public static final class OpticalSignalTypeCriterion implements Criterion {
 
-        private final byte signalType;
+        private final Short signalType;
         private final Type type;
 
-        public OpticalSignalTypeCriterion(byte signalType, Type type) {
+        public OpticalSignalTypeCriterion(Short signalType, Type type) {
             this.signalType = signalType;
             this.type = type;
         }
@@ -600,7 +600,7 @@
             return this.type;
         }
 
-        public Byte signalType() {
+        public Short signalType() {
             return this.signalType;
         }
 
diff --git a/core/net/src/main/java/org/onlab/onos/net/intent/impl/OpticalPathIntentInstaller.java b/core/net/src/main/java/org/onlab/onos/net/intent/impl/OpticalPathIntentInstaller.java
index 5faae4d..27b5387 100644
--- a/core/net/src/main/java/org/onlab/onos/net/intent/impl/OpticalPathIntentInstaller.java
+++ b/core/net/src/main/java/org/onlab/onos/net/intent/impl/OpticalPathIntentInstaller.java
@@ -79,6 +79,7 @@
     private ApplicationId appId;
 
     //final short WAVELENGTH = 80;
+    static final short SIGNAL_TYPE = (short) 1;
 
     @Activate
     public void activate() {
@@ -151,7 +152,9 @@
 
             prev = link.dst();
             selectorBuilder.matchInport(link.dst().port());
+            selectorBuilder.matchOpticalSignalType(SIGNAL_TYPE); //todo
             selectorBuilder.matchLambda((short) la.toInt());
+
         }
 
         // build the last T port rule
diff --git a/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java b/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java
index 02ec827..e5131df 100644
--- a/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java
+++ b/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java
@@ -289,7 +289,10 @@
             case OCH_SIGID:
                 builder.matchLambda(match.get(MatchField.OCH_SIGID).getChannelNumber());
                 break;
-            case OCH_SIGTYPE_BASIC:
+            case OCH_SIGTYPE:
+                builder.matchOpticalSignalType(match.get(MatchField
+                                                                 .OCH_SIGTYPE).getValue());
+                break;
             case ARP_OP:
             case ARP_SHA:
             case ARP_SPA:
diff --git a/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowModBuilder.java b/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowModBuilder.java
index b191784..0caf06b 100644
--- a/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowModBuilder.java
+++ b/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowModBuilder.java
@@ -19,6 +19,7 @@
 
 import org.onlab.onos.net.flow.FlowRule;
 import org.onlab.onos.net.flow.TrafficSelector;
+import org.onlab.onos.net.flow.criteria.Criteria;
 import org.onlab.onos.net.flow.criteria.Criteria.EthCriterion;
 import org.onlab.onos.net.flow.criteria.Criteria.EthTypeCriterion;
 import org.onlab.onos.net.flow.criteria.Criteria.IPCriterion;
@@ -46,6 +47,7 @@
 import org.projectfloodlight.openflow.types.OFPort;
 import org.projectfloodlight.openflow.types.OFVlanVidMatch;
 import org.projectfloodlight.openflow.types.TransportPort;
+import org.projectfloodlight.openflow.types.U8;
 import org.projectfloodlight.openflow.types.VlanPcp;
 import org.projectfloodlight.openflow.types.VlanVid;
 import org.slf4j.Logger;
@@ -197,6 +199,12 @@
                 mBuilder.setExact(MatchField.OCH_SIGID,
                         new CircuitSignalID((byte) 1, (byte) 2, lc.lambda(), (short) 1));
                 break;
+            case OCH_SIGTYPE:
+                Criteria.OpticalSignalTypeCriterion sc =
+                        (Criteria.OpticalSignalTypeCriterion) c;
+                mBuilder.setExact(MatchField.OCH_SIGTYPE,
+                                  U8.of(sc.signalType()));
+                break;
             case ARP_OP:
             case ARP_SHA:
             case ARP_SPA: