diff --git a/core/api/src/main/java/org/onosproject/net/flow/criteria/IndexedLambdaCriterion.java b/core/api/src/main/java/org/onosproject/net/flow/criteria/IndexedLambdaCriterion.java
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+++ b/core/api/src/main/java/org/onosproject/net/flow/criteria/IndexedLambdaCriterion.java
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+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.net.flow.criteria;
+
+import com.google.common.base.MoreObjects;
+import org.onosproject.net.IndexedLambda;
+
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Implementation of indexed lambda criterion.
+ */
+public class IndexedLambdaCriterion implements Criterion {
+
+    private final IndexedLambda lambda;
+
+    /**
+     * Creates a criterion with the specified value.
+     *
+     * @param lambda lambda index number
+     */
+    IndexedLambdaCriterion(IndexedLambda lambda) {
+        this.lambda = checkNotNull(lambda);
+    }
+
+    @Override
+    public Type type() {
+        // TODO: consider defining a new specific type
+        // Now OCH_SIGID is used due to compatibility concerns
+        return Type.OCH_SIGID;
+    }
+
+    /**
+     * Returns the indexed lambda to match.
+     *
+     * @return the indexed lambda to match
+     */
+    public IndexedLambda lambda() {
+        return lambda;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(lambda);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof IndexedLambdaCriterion)) {
+            return false;
+        }
+        final IndexedLambdaCriterion that = (IndexedLambdaCriterion) obj;
+        return Objects.equals(this.lambda, that.lambda);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("lambda", lambda)
+                .toString();
+    }
+}