diff --git a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
index d7357ae17..9139ee1f7 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
@@ -2274,7 +2274,7 @@ void *start_timer(void *arg) {
     int datasize = imagesize;
     int packetsize = datasize + sizeof(sls_detector_header);
     int vetodatasize = VETO_DATA_SIZE;
-    int vetopacketsize = vetodatasize + sizeof(sls_detector_header);
+    int vetopacketsize = vetodatasize + VETO_HEADER_SIZE;
 
     // Generate data
     char imageData[imagesize];
@@ -2331,21 +2331,16 @@ void *start_timer(void *arg) {
                 sendUDPPacket(0, packetData, packetsize);
 
                 // second interface (veto)
-                char packetData2[packetsize];
-                memset(packetData2, 0, packetsize);
+                char packetData2[vetopacketsize];
+                memset(packetData2, 0, vetopacketsize);
                 if (numInterfaces == 2) {
                     // set header
-                    sls_detector_header *header =
-                        (sls_detector_header *)(packetData2);
-                    header->detType = (uint16_t)myDetectorType;
-                    header->version = SLS_DETECTOR_HEADER_VERSION - 1;
+                    veto_header *header = (veto_header *)(packetData2);
                     header->frameNumber = frameHeaderNr;
-                    header->packetNumber = 0;
-                    header->modId = 0;
-                    header->row = detPos[X];
-                    header->column = detPos[Y];
+                    header->bunchId = 0;
+                    header->reserved = 0;
                     // fill data
-                    memcpy(packetData2 + sizeof(sls_detector_header), vetoData,
+                    memcpy(packetData2 + VETO_HEADER_SIZE, vetoData,
                            vetodatasize);
                     // send 1 packet = 1 frame
                     sendUDPPacket(1, packetData2, vetopacketsize);
diff --git a/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h b/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
index dad6a1a51..09199d818 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
@@ -57,6 +57,13 @@
 #define READOUT_PLL_VCO_FREQ_HZ (866666688) // 866 MHz
 #define SYSTEM_PLL_VCO_FREQ_HZ  (722222224) // 722 MHz
 #define VETO_DATA_SIZE          (160)
+#define VETO_HEADER_SIZE        (24)
+typedef struct {
+    uint64_t frameNumber;
+    uint64_t bunchId;
+    uint64_t reserved;
+} veto_header;
+
 /** Other Definitions */
 #define BIT16_MASK (0xFFFF)
 
diff --git a/slsReceiverSoftware/src/GeneralData.h b/slsReceiverSoftware/src/GeneralData.h
index 21e3591f3..53ef917b8 100644
--- a/slsReceiverSoftware/src/GeneralData.h
+++ b/slsReceiverSoftware/src/GeneralData.h
@@ -50,6 +50,7 @@ class GeneralData {
     uint32_t vetoDataSize{0};
     uint32_t vetoPacketSize{0};
     uint32_t vetoImageSize{0};
+    uint32_t vetoHsize{0};
 
     GeneralData(){};
     virtual ~GeneralData(){};
@@ -61,14 +62,17 @@ class GeneralData {
      * @param oddStartingPacket odd starting packet (gotthard)
      * @param frameNumber frame number
      * @param packetNumber packet number
+     * @param bunchId bunch Id
      */
     virtual void GetHeaderInfo(int index, char *packetData,
                                bool oddStartingPacket, uint64_t &frameNumber,
-                               uint32_t &packetNumber) const {
+                               uint32_t &packetNumber,
+                               uint64_t &bunchId) const {
         frameNumber = ((uint32_t)(*((uint32_t *)(packetData))));
         frameNumber++;
         packetNumber = frameNumber & packetIndexMask;
         frameNumber = (frameNumber & frameIndexMask) >> frameIndexOffset;
+        bunchId = -1;
     }
 
     /**
@@ -194,9 +198,11 @@ class GotthardData : public GeneralData {
      * @param oddStartingPacket odd starting packet (gotthard)
      * @param frameNumber frame number
      * @param packetNumber packet number
+     * @param bunchId bunch Id
      */
     void GetHeaderInfo(int index, char *packetData, bool oddStartingPacket,
-                       uint64_t &frameNumber, uint32_t &packetNumber) const {
+                       uint64_t &frameNumber, uint32_t &packetNumber,
+                       uint64_t &bunchId) const {
         if (nPixelsX == 1280) {
             frameNumber = *reinterpret_cast<uint32_t *>(packetData);
             if (oddStartingPacket)
@@ -207,6 +213,7 @@ class GotthardData : public GeneralData {
             frameNumber = *reinterpret_cast<uint32_t *>(packetData);
             packetNumber = 0;
         }
+        bunchId = -1;
     }
 
     /**
@@ -490,6 +497,7 @@ class Gotthard2Data : public GeneralData {
         vetoDataSize = 160;
         vetoPacketSize = headerSizeinPacket + vetoDataSize;
         vetoImageSize = vetoDataSize * packetsPerFrame;
+        vetoHsize = 24;
     };
 
     /**
@@ -506,6 +514,23 @@ class Gotthard2Data : public GeneralData {
             threadsPerReceiver = 1;
         }
     };
+
+    /**
+     * Get Header Infomation (frame number, packet number) for veto packets
+     * @param index thread index for debugging purposes
+     * @param packetData pointer to data
+     * @param oddStartingPacket odd starting packet (gotthard)
+     * @param frameNumber frame number
+     * @param packetNumber packet number
+     * @param bunchId bunch Id
+     */
+    void GetHeaderInfo(int index, char *packetData, bool oddStartingPacket,
+                       uint64_t &frameNumber, uint32_t &packetNumber,
+                       uint64_t &bunchId) const {
+        frameNumber = *reinterpret_cast<uint64_t *>(packetData);
+        bunchId = *reinterpret_cast<uint64_t *>(packetData + 8);
+        packetNumber = 0;
+    }
 };
 
 class ChipTestBoardData : public GeneralData {
diff --git a/slsReceiverSoftware/src/Listener.cpp b/slsReceiverSoftware/src/Listener.cpp
index 0caacb1ca..ffaf46fca 100644
--- a/slsReceiverSoftware/src/Listener.cpp
+++ b/slsReceiverSoftware/src/Listener.cpp
@@ -270,22 +270,25 @@ uint32_t Listener::ListenToAnImage(char *buf) {
     int rc = 0;
     uint64_t fnum = 0;
     uint32_t pnum = 0;
+    uint64_t bnum = 0;
     uint32_t numpackets = 0;
     uint32_t dsize = generalData->dataSize;
     uint32_t imageSize = generalData->imageSize;
     uint32_t packetSize = generalData->packetSize;
+    uint32_t hsize = generalData->headerSizeinPacket;
+    uint32_t fifohsize = generalData->fifoBufferHeaderSize;
+    bool standardheader = generalData->standardheader;
     if (myDetectorType == GOTTHARD2 && index != 0) {
         dsize = generalData->vetoDataSize;
         imageSize = generalData->vetoImageSize;
         packetSize = generalData->vetoPacketSize;
+        hsize = generalData->vetoHsize;
+        standardheader = false;
     }
-    uint32_t hsize = generalData->headerSizeinPacket;
-    uint32_t fifohsize = generalData->fifoBufferHeaderSize;
     uint32_t pperFrame = generalData->packetsPerFrame;
     bool isHeaderEmpty = true;
     sls_detector_header *old_header = nullptr;
     sls_receiver_header *new_header = nullptr;
-    bool standardheader = generalData->standardheader;
     uint32_t corrected_dsize = dsize - ((pperFrame * dsize) - imageSize);
 
     // reset to -1
@@ -329,7 +332,7 @@ uint32_t Listener::ListenToAnImage(char *buf) {
         // -----------------------------------------------------------------------------
         else {
             generalData->GetHeaderInfo(index, &carryOverPacket[0],
-                                       oddStartingPacket, fnum, pnum);
+                                       oddStartingPacket, fnum, pnum, bnum);
         }
         //------------------------------------------------------------------------------------------------------------
         if (fnum != currentFrameIndex) {
@@ -403,6 +406,7 @@ uint32_t Listener::ListenToAnImage(char *buf) {
             // ------------------------------------------------------------------------------
             else {
                 new_header->detHeader.frameNumber = fnum;
+                new_header->detHeader.bunchId = bnum;
                 new_header->detHeader.row = row;
                 new_header->detHeader.column = column;
                 new_header->detHeader.detType =
@@ -470,7 +474,7 @@ uint32_t Listener::ListenToAnImage(char *buf) {
             }
 
             generalData->GetHeaderInfo(index, &listeningPacket[0],
-                                       oddStartingPacket, fnum, pnum);
+                                       oddStartingPacket, fnum, pnum, bnum);
         }
         //------------------------------------------------------------------------------------------------------------
 
@@ -569,6 +573,7 @@ uint32_t Listener::ListenToAnImage(char *buf) {
             // ------------------------------------------------------------------------------
             else {
                 new_header->detHeader.frameNumber = fnum;
+                new_header->detHeader.bunchId = bnum;
                 new_header->detHeader.row = row;
                 new_header->detHeader.column = column;
                 new_header->detHeader.detType =