diff --git a/package/network/services/igmpproxy/patches/250-fix_multiple_downlink_interfaces.patch b/package/network/services/igmpproxy/patches/250-fix_multiple_downlink_interfaces.patch
new file mode 100644
index 0000000000..24aefcef26
--- /dev/null
+++ b/package/network/services/igmpproxy/patches/250-fix_multiple_downlink_interfaces.patch
@@ -0,0 +1,154 @@
+--- a/src/igmpproxy.h
++++ b/src/igmpproxy.h
+@@ -251,6 +251,7 @@ int activateRoute(uint32_t group, uint32
+ void ageActiveRoutes();
+ void setRouteLastMemberMode(uint32_t group);
+ int lastMemberGroupAge(uint32_t group);
++int interfaceInRoute(int32_t group, int Ix);
+ 
+ /* request.c
+  */
+--- a/src/request.c
++++ b/src/request.c
+@@ -41,10 +41,10 @@
+ 
+ // Prototypes...
+ void sendGroupSpecificMemberQuery(void *argument);  
+-    
++
+ typedef struct {
+     uint32_t      group;
+-    uint32_t      vifAddr;
++    // uint32_t      vifAddr;
+     short       started;
+ } GroupVifDesc;
+ 
+@@ -142,7 +142,7 @@ void acceptLeaveMessage(uint32_t src, ui
+ 
+         // Call the group spesific membership querier...
+         gvDesc->group = group;
+-        gvDesc->vifAddr = sourceVif->InAdr.s_addr;
++        // gvDesc->vifAddr = sourceVif->InAdr.s_addr;
+         gvDesc->started = 0;
+ 
+         sendGroupSpecificMemberQuery(gvDesc);
+@@ -159,6 +159,9 @@ void acceptLeaveMessage(uint32_t src, ui
+ */
+ void sendGroupSpecificMemberQuery(void *argument) {
+     struct  Config  *conf = getCommonConfig();
++    struct  IfDesc  *Dp;
++    struct  RouteTable  *croute;
++    int     Ix;
+ 
+     // Cast argument to correct type...
+     GroupVifDesc   *gvDesc = (GroupVifDesc*) argument;
+@@ -166,22 +169,38 @@ void sendGroupSpecificMemberQuery(void *
+     if(gvDesc->started) {
+         // If aging returns false, we don't do any further action...
+         if(!lastMemberGroupAge(gvDesc->group)) {
++            // FIXME: Should we free gvDesc here?
+             return;
+         }
+     } else {
+         gvDesc->started = 1;
+     }
+ 
+-    // Send a group specific membership query...
+-    sendIgmp(gvDesc->vifAddr, gvDesc->group, 
+-             IGMP_MEMBERSHIP_QUERY,
+-             conf->lastMemberQueryInterval * IGMP_TIMER_SCALE, 
+-             gvDesc->group, 0);
+-
+-    my_log(LOG_DEBUG, 0, "Sent membership query from %s to %s. Delay: %d",
+-        inetFmt(gvDesc->vifAddr,s1), inetFmt(gvDesc->group,s2),
+-        conf->lastMemberQueryInterval);
+-
++    /**
++     * FIXME: This loops through all interfaces the group is active on an sends queries.
++     *        It might be better to send only a query on the interface the leave was accepted on and remove only that interface from the route.
++     */
++
++    // Loop through all downstream interfaces
++    for ( Ix = 0; (Dp = getIfByIx(Ix)); Ix++ ) {
++        if ( Dp->InAdr.s_addr && ! (Dp->Flags & IFF_LOOPBACK) ) {
++            if(Dp->state == IF_STATE_DOWNSTREAM) {
++                // Is that interface used in the group?
++                if (interfaceInRoute(gvDesc->group ,Dp->index)) {
++                        
++                    // Send a group specific membership query... 
++                    sendIgmp(Dp->InAdr.s_addr, gvDesc->group, 
++                            IGMP_MEMBERSHIP_QUERY,
++                            conf->lastMemberQueryInterval * IGMP_TIMER_SCALE, 
++                            gvDesc->group, 0);
++
++                    my_log(LOG_DEBUG, 0, "Sent membership query from %s to %s. Delay: %d",
++                            inetFmt(Dp->InAdr.s_addr,s1), inetFmt(gvDesc->group,s2),
++                            conf->lastMemberQueryInterval);
++                }
++            }
++        }
++    }
+     // Set timeout for next round...
+     timer_setTimer(conf->lastMemberQueryInterval, sendGroupSpecificMemberQuery, gvDesc);
+ 
+--- a/src/rttable.c
++++ b/src/rttable.c
+@@ -428,6 +428,25 @@ void ageActiveRoutes() {
+ }
+ 
+ /**
++*   Counts the number of interfaces a given route is active on
++*/
++int numberOfInterfaces(struct RouteTable *croute) {
++    int Ix;
++    struct IfDesc *Dp;
++    int result = 0;
++    // Loop through all interfaces
++    for ( Ix = 0; (Dp = getIfByIx(Ix)); Ix++ ) {
++        // If the interface is used by the route, increase counter
++        if(BIT_TST(croute->vifBits, Dp->index)) {
++            result++;
++        }
++    }
++    my_log(LOG_DEBUG, 0, "counted %d interfaces", result);
++    return result;
++}
++
++
++/**
+ *   Should be called when a leave message is recieved, to
+ *   mark a route for the last member probe state.
+ */
+@@ -439,8 +458,11 @@ void setRouteLastMemberMode(uint32_t gro
+     if(croute!=NULL) {
+         // Check for fast leave mode...
+         if(croute->upstrState == ROUTESTATE_JOINED && conf->fastUpstreamLeave) {
+-            // Send a leave message right away..
+-            sendJoinLeaveUpstream(croute, 0);
++            // Send a leave message right away only when the route has been active on only one interface
++            if (numberOfInterfaces(croute) <= 1) {
++		my_log(LOG_DEBUG, 0, "Leaving group %d now", group);
++                sendJoinLeaveUpstream(croute, 0);
++            } 
+         }
+         // Set the routingstate to Last member check...
+         croute->upstrState = ROUTESTATE_CHECK_LAST_MEMBER;
+@@ -677,3 +699,18 @@ void logRouteTable(char *header) {
+     
+         my_log(LOG_DEBUG, 0, "-----------------------------------------------------");
+ }
++
++/**
++*   Returns true when the given group belongs to the given interface
++*/
++int interfaceInRoute(int32_t group, int Ix) {
++    struct RouteTable*  croute;
++    croute = findRoute(group);
++    if (croute != NULL) {
++        my_log(LOG_DEBUG, 0, "Interface id %d is in group $d", Ix, group);
++        return BIT_TST(croute->vifBits, Ix);
++    } else {
++        return 0;
++    }
++}
++