diff --git a/cfg/mpls-te14.tst b/cfg/mpls-te14.tst
index 9eb8b722cb..feec1a8adb 100644
--- a/cfg/mpls-te14.tst
+++ b/cfg/mpls-te14.tst
@@ -187,11 +187,11 @@ r3 tping 100 10 4321::1 /vrf v1 /int lo0
 r3 tping 100 10 2.2.2.2 /vrf v1 /int lo0
 r3 tping 100 10 4321::2 /vrf v1 /int lo0
 
-r1 tping 100 10 3.3.3.1 /vrf v1 /int lo0
-r1 tping 100 10 3.3.3.2 /vrf v1 /int lo0
-r1 tping 100 10 3.3.3.3 /vrf v1 /int lo0
-r1 tping 100 10 3.3.3.4 /vrf v1 /int lo0
-r1 tping 100 10 3333::1 /vrf v1 /int lo0
-r1 tping 100 10 3333::2 /vrf v1 /int lo0
-r1 tping 100 10 3333::3 /vrf v1 /int lo0
-r1 tping 100 10 3333::4 /vrf v1 /int lo0
+r1 tping 100 10 3.3.3.1 /vrf v1 /int lo0 /multi
+r1 tping 100 10 3.3.3.2 /vrf v1 /int lo0 /multi
+r1 tping 100 10 3.3.3.3 /vrf v1 /int lo0 /multi
+r1 tping 300 10 3.3.3.4 /vrf v1 /int lo0 /multi
+r1 tping 100 10 3333::1 /vrf v1 /int lo0 /multi
+r1 tping 100 10 3333::2 /vrf v1 /int lo0 /multi
+r1 tping 100 10 3333::3 /vrf v1 /int lo0 /multi
+r1 tping 300 10 3333::4 /vrf v1 /int lo0 /multi
diff --git a/src/net/freertr/addr/addrType.java b/src/net/freertr/addr/addrType.java
index a395188689..8560813682 100644
--- a/src/net/freertr/addr/addrType.java
+++ b/src/net/freertr/addr/addrType.java
@@ -296,10 +296,10 @@ public void setNot(addrType a1) {
     }
 
     /**
-     * set from not a1
+     * set from shifted a1
      *
      * @param a1 address
-     * @param sh shift
+     * @param shf shift
      */
     public void setShl(addrType a1, int shf) {
         int shb = shf / 8;
diff --git a/src/net/freertr/tab/tabGep.java b/src/net/freertr/tab/tabGep.java
new file mode 100644
index 0000000000..3e754b9b2e
--- /dev/null
+++ b/src/net/freertr/tab/tabGep.java
@@ -0,0 +1,20 @@
+package net.freertr.tab;
+
+import net.freertr.addr.addrType;
+
+/**
+ * one prefix tree
+ *
+ * @param <T> type of elements in the list
+ * @author matecsaba
+ */
+public class tabGep<T extends addrType> extends tabGepV2<T> {
+
+    /**
+     * create one generic tree
+     */
+    public tabGep() {
+        super();
+    }
+
+}
diff --git a/src/net/freertr/tab/tabGepV1.java b/src/net/freertr/tab/tabGepV1.java
new file mode 100644
index 0000000000..3747af9ca0
--- /dev/null
+++ b/src/net/freertr/tab/tabGepV1.java
@@ -0,0 +1,79 @@
+package net.freertr.tab;
+
+import java.util.Map;
+import java.util.TreeMap;
+import net.freertr.addr.addrPrefix;
+import net.freertr.addr.addrType;
+
+/**
+ * one prefix tree
+ *
+ * @param <T> type of elements in the list
+ * @author matecsaba
+ */
+public class tabGepV1<T extends addrType> {
+
+    private TreeMap<tabGepV1nod<T>, tabRouteEntry<T>> tree;
+
+    /**
+     * create one generic tree
+     */
+    public tabGepV1() {
+        tree = new TreeMap<tabGepV1nod<T>, tabRouteEntry<T>>();
+    }
+
+    /**
+     * add one entry
+     *
+     * @param val value to add
+     * @return old value, null if freshly added
+     */
+    public tabRouteEntry<T> add(tabRouteEntry<T> val) {
+        return tree.put(new tabGepV1nod<T>(val), val);
+    }
+
+    /**
+     * add one entry
+     *
+     * @param val value to add
+     * @return removed value, null if not found
+     */
+    public tabRouteEntry<T> del(tabRouteEntry<T> val) {
+        return tree.remove(new tabGepV1nod<T>(val));
+    }
+
+    /**
+     * find one container entry
+     *
+     * @param val value to look up
+     * @return found value
+     */
+    public tabRouteEntry<T> search(tabRouteEntry<T> val) {
+        Map.Entry<tabGepV1nod<T>, tabRouteEntry<T>> res = tree.floorEntry(new tabGepV1nod<T>(val));
+        for (;;) {
+            if (res == null) {
+                return null;
+            }
+            tabRouteEntry<T> v = res.getValue();
+            if (v.prefix.supernet(val.prefix, true)) {
+                return v;
+            }
+            res = tree.lowerEntry(res.getKey());
+        }
+    }
+
+}
+
+class tabGepV1nod<T extends addrType> implements Comparable<tabGepV1nod<T>> {
+
+    public addrPrefix<T> pfx;
+
+    public tabGepV1nod(tabRouteEntry<T> val) {
+        pfx = val.prefix;
+    }
+
+    public int compareTo(tabGepV1nod<T> o) {
+        return pfx.compare(pfx, o.pfx);
+    }
+
+}
diff --git a/src/net/freertr/tab/tabGepV2.java b/src/net/freertr/tab/tabGepV2.java
new file mode 100644
index 0000000000..ef5547232e
--- /dev/null
+++ b/src/net/freertr/tab/tabGepV2.java
@@ -0,0 +1,124 @@
+package net.freertr.tab;
+
+import net.freertr.addr.addrType;
+
+/**
+ * one prefix tree
+ *
+ * @param <T> type of elements in the list
+ * @author matecsaba
+ */
+public class tabGepV2<T extends addrType> {
+
+    private tabGepV2nod<T> rot;
+
+    /**
+     * create one generic tree
+     */
+    public tabGepV2() {
+        rot = new tabGepV2nod<T>();
+    }
+
+    /**
+     * add one entry
+     *
+     * @param val value to add
+     * @return old value, null if freshly added
+     */
+    public tabRouteEntry<T> add(tabRouteEntry<T> val) {
+        tabGepV2nod<T> cur = rot;
+        for (int p = 0;; p++) {
+            if (p >= val.prefix.maskLen) {
+                tabRouteEntry<T> old = cur.val;
+                cur.val = val;
+                return old;
+            }
+            if (val.prefix.network.bitValue(p)) {
+                if (cur.one == null) {
+                    cur.one = new tabGepV2nod<T>();
+                }
+                cur = cur.one;
+            } else {
+                if (cur.zero == null) {
+                    cur.zero = new tabGepV2nod<T>();
+                }
+                cur = cur.zero;
+            }
+        }
+    }
+
+    /**
+     * add one entry
+     *
+     * @param val value to add
+     * @return removed value, null if not found
+     */
+    public tabRouteEntry<T> del(tabRouteEntry<T> val) {
+        tabGepV2nod<T> cur = rot;
+        for (int p = 0;; p++) {
+            if (p >= val.prefix.maskLen) {
+                tabRouteEntry<T> old = cur.val;
+                cur.val = null;
+                return old;
+            }
+            if (val.prefix.network.bitValue(p)) {
+                if (cur.one == null) {
+                    return null;
+                }
+                cur = cur.one;
+            } else {
+                if (cur.zero == null) {
+                    return null;
+                }
+                cur = cur.zero;
+            }
+        }
+    }
+
+    /**
+     * find one container entry
+     *
+     * @param val value to look up
+     * @return found value
+     */
+    public tabRouteEntry<T> search(tabRouteEntry<T> val) {
+        tabGepV2nod<T> cur = rot;
+        tabRouteEntry<T> lst = null;
+        for (int p = 0;; p++) {
+            if (cur.val != null) {
+                lst = cur.val;
+            }
+            if (p >= val.prefix.maskLen) {
+                return lst;
+            }
+            if (val.prefix.network.bitValue(p)) {
+                if (cur.one == null) {
+                    return lst;
+                }
+                cur = cur.one;
+            } else {
+                if (cur.zero == null) {
+                    return lst;
+                }
+                cur = cur.zero;
+            }
+        }
+    }
+
+}
+
+class tabGepV2nod<T extends addrType> {
+
+    public tabGepV2nod<T> zero;
+
+    public tabGepV2nod<T> one;
+
+    public tabRouteEntry<T> val;
+
+    public tabGepV2nod() {
+        val = null;
+        zero = null;
+        one = null;
+    }
+
+}
diff --git a/src/net/freertr/tab/tabRoute.java b/src/net/freertr/tab/tabRoute.java
index 6b54f95bc6..908cd2afd7 100644
--- a/src/net/freertr/tab/tabRoute.java
+++ b/src/net/freertr/tab/tabRoute.java
@@ -81,6 +81,8 @@ public enum addType {
      */
     protected final tabGen<tabRouteEntry<T>> prefixes;
 
+    private tabGep<T> lookupTrie = null;
+
     /**
      * version of this table
      */
@@ -123,7 +125,11 @@ public tabRoute(tabRoute<T> orig) {
      * optimize for lookup
      */
     public void optimize4lookup() {
-        prefixes.optimize4lookup();
+        tabGep<T> res = new tabGep<T>();
+        for (int i = 0; i < prefixes.size(); i++) {
+            res.add(prefixes.get(i));
+        }
+        lookupTrie = res;
     }
 
     /**
@@ -638,6 +644,9 @@ private boolean doNexthopFix(tabRouteAttr<T> attr, tabRoute<T> recurs, int recur
     public tabRouteEntry<T> route(T addr) {
         tabRouteEntry<T> prf = new tabRouteEntry<T>();
         prf.prefix = new addrPrefix<T>(addr, addr.maxBits());
+        if (lookupTrie != null) {
+            return lookupTrie.search(prf);
+        }
         for (int o = prf.prefix.maskLen; o >= 0; o--) {
             prf.prefix.setMask(o);
             tabRouteEntry<T> res = prefixes.find(prf);
diff --git a/src/rtr.csv b/src/rtr.csv
index 9647116a18..ae7adce7ed 100644
--- a/src/rtr.csv
+++ b/src/rtr.csv
@@ -1,6 +1,6 @@
 url;file;result;test
 -;-;-;freeRouter v21.12.29-cur, done by cs@nop.
--;-;-;2021-12-29 05:09:51, took 00:06:31, with 100 workers, on 2520 cases, 0 failed, 0 traces, 1 retries
+-;-;-;2021-12-29 08:23:09, took 00:06:43, with 100 workers, on 2520 cases, 0 failed, 0 traces, 3 retries
 -;-;-;./rtr.bin
 http://sources.nop.hu/cfg/basic.tst;basic.tst;success;dummy test
 http://sources.nop.hu/cfg/conn-amt01.tst;conn-amt01.tst;success;amt over ipv4
diff --git a/src/rtr.html b/src/rtr.html
index 7518eef0fd..150a87b9c9 100644
--- a/src/rtr.html
+++ b/src/rtr.html
@@ -11,7 +11,7 @@
 </style>
 <title>tester</title></head><body>
 release: freeRouter v21.12.29-cur, done by cs@nop.<br/>
-tested: 2021-12-29 05:09:51, took 00:06:31, with 100 workers, on 2520 cases, 0 failed, 0 traces, 1 retries<br/>
+tested: 2021-12-29 08:23:09, took 00:06:43, with 100 workers, on 2520 cases, 0 failed, 0 traces, 3 retries<br/>
 jvm: ./rtr.bin<br/>
 <br/>
 <table><thead><tr><td><b>file</b></td><td><b>result</b></td><td><b>test</b></td></tr></thead><tbody>