diff --git a/lib/mcast-snooping.c b/lib/mcast-snooping.c
index 43805ae4d..995216a4b 100644
--- a/lib/mcast-snooping.c
+++ b/lib/mcast-snooping.c
@@ -389,7 +389,8 @@ mcast_snooping_prune_expired(struct mcast_snooping *ms,
 bool
 mcast_snooping_add_group(struct mcast_snooping *ms,
                          const struct in6_addr *addr,
-                         uint16_t vlan, void *port)
+                         uint16_t vlan, void *port,
+                         mcast_group_proto grp_proto)
     OVS_REQ_WRLOCK(ms->rwlock)
 {
     bool learned;
@@ -424,6 +425,9 @@ mcast_snooping_add_group(struct mcast_snooping *ms,
     }
     mcast_group_insert_bundle(ms, grp, port, ms->idle_time);
 
+    /* update the protocol version. */
+    grp->protocol_version = grp_proto;
+
     /* Mark 'grp' as recently used. */
     ovs_list_push_back(&ms->group_lru, &grp->group_node);
     return learned;
@@ -431,11 +435,12 @@ mcast_snooping_add_group(struct mcast_snooping *ms,
 
 bool
 mcast_snooping_add_group4(struct mcast_snooping *ms, ovs_be32 ip4,
-                         uint16_t vlan, void *port)
+                         uint16_t vlan, void *port,
+                         mcast_group_proto grp_proto)
     OVS_REQ_WRLOCK(ms->rwlock)
 {
     struct in6_addr addr = in6_addr_mapped_ipv4(ip4);
-    return mcast_snooping_add_group(ms, &addr, vlan, port);
+    return mcast_snooping_add_group(ms, &addr, vlan, port, grp_proto);
 }
 
 int
@@ -478,7 +483,8 @@ mcast_snooping_add_report(struct mcast_snooping *ms,
                 || record->type == IGMPV3_CHANGE_TO_INCLUDE_MODE)) {
             ret = mcast_snooping_leave_group4(ms, ip4, vlan, port);
         } else {
-            ret = mcast_snooping_add_group4(ms, ip4, vlan, port);
+            ret = mcast_snooping_add_group4(ms, ip4, vlan, port,
+                                            MCAST_GROUP_IGMPV3);
         }
         if (ret) {
             count++;
@@ -513,7 +519,8 @@ mcast_snooping_add_mld(struct mcast_snooping *ms,
 
     switch (mld->type) {
     case MLD_REPORT:
-        ret = mcast_snooping_add_group(ms, addr, vlan, port);
+        ret = mcast_snooping_add_group(ms, addr, vlan, port,
+                                       MCAST_GROUP_MLDV1);
         if (ret) {
             count++;
         }
@@ -545,7 +552,8 @@ mcast_snooping_add_mld(struct mcast_snooping *ms,
                         || record->type == IGMPV3_CHANGE_TO_INCLUDE_MODE)) {
                     ret = mcast_snooping_leave_group(ms, addr, vlan, port);
                 } else {
-                    ret = mcast_snooping_add_group(ms, addr, vlan, port);
+                    ret = mcast_snooping_add_group(ms, addr, vlan, port,
+                                                   MCAST_GROUP_MLDV2);
                 }
                 if (ret) {
                     count++;
diff --git a/lib/mcast-snooping.h b/lib/mcast-snooping.h
index f120405da..8cc8fb0fb 100644
--- a/lib/mcast-snooping.h
+++ b/lib/mcast-snooping.h
@@ -39,6 +39,15 @@ struct mcast_snooping;
 /* Time, in seconds, before expiring a mrouter_port due to inactivity. */
 #define MCAST_MROUTER_PORT_IDLE_TIME 180
 
+/* Multicast group protocol. */
+typedef enum {
+    MCAST_GROUP_IGMPV1 = 0,
+    MCAST_GROUP_IGMPV2,
+    MCAST_GROUP_IGMPV3,
+    MCAST_GROUP_MLDV1,
+    MCAST_GROUP_MLDV2,
+} mcast_group_proto;
+
 /* Multicast group entry.
  * Guarded by owning 'mcast_snooping''s rwlock. */
 struct mcast_group {
@@ -51,6 +60,9 @@ struct mcast_group {
     /* VLAN tag. */
     uint16_t vlan;
 
+    /* Multicast group IPv6/IPv4 Protocol version IGMPv1,2,3 or MLDv1,2 */
+    mcast_group_proto protocol_version;
+
     /* Node in parent struct mcast_snooping group_lru. */
     struct ovs_list group_node OVS_GUARDED;
 
@@ -185,10 +197,12 @@ mcast_snooping_lookup4(const struct mcast_snooping *ms, ovs_be32 ip4,
 /* Learning. */
 bool mcast_snooping_add_group(struct mcast_snooping *ms,
                               const struct in6_addr *addr,
-                              uint16_t vlan, void *port)
+                              uint16_t vlan, void *port,
+                              mcast_group_proto grp_proto)
     OVS_REQ_WRLOCK(ms->rwlock);
 bool mcast_snooping_add_group4(struct mcast_snooping *ms, ovs_be32 ip4,
-                               uint16_t vlan, void *port)
+                               uint16_t vlan, void *port,
+                               mcast_group_proto grp_proto)
     OVS_REQ_WRLOCK(ms->rwlock);
 int mcast_snooping_add_report(struct mcast_snooping *ms,
                               const struct dp_packet *p,
diff --git a/ofproto/ofproto-dpif-xlate.c b/ofproto/ofproto-dpif-xlate.c
index 289f8a736..12e13b0be 100644
--- a/ofproto/ofproto-dpif-xlate.c
+++ b/ofproto/ofproto-dpif-xlate.c
@@ -2796,6 +2796,7 @@ update_mcast_snooping_table4__(const struct xlate_ctx *ctx,
     OVS_REQ_WRLOCK(ms->rwlock)
 {
     const struct igmp_header *igmp;
+    mcast_group_proto grp_proto;
     int count;
     size_t offset;
     ovs_be32 ip4 = flow->igmp_group_ip4;
@@ -2813,7 +2814,11 @@ update_mcast_snooping_table4__(const struct xlate_ctx *ctx,
     switch (ntohs(flow->tp_src)) {
     case IGMP_HOST_MEMBERSHIP_REPORT:
     case IGMPV2_HOST_MEMBERSHIP_REPORT:
-        if (mcast_snooping_add_group4(ms, ip4, vlan, in_xbundle->ofbundle)) {
+        grp_proto = (ntohs(flow->tp_src) == IGMP_HOST_MEMBERSHIP_REPORT)
+                ? MCAST_GROUP_IGMPV1
+                : MCAST_GROUP_IGMPV2;
+        if (mcast_snooping_add_group4(ms, ip4, vlan, in_xbundle->ofbundle,
+                                      grp_proto)) {
             xlate_report_debug(ctx, OFT_DETAIL,
                                "multicast snooping learned that "
                                IP_FMT" is on port %s in VLAN %d",
