diff --git a/ipacm/src/IPACM_Filtering.cpp b/ipacm/src/IPACM_Filtering.cpp
index 623bad4..cdb37b4 100644
--- a/ipacm/src/IPACM_Filtering.cpp
+++ b/ipacm/src/IPACM_Filtering.cpp
@@ -477,9 +477,28 @@
 
 	if(flt_rule_tbl == NULL)
 	{
-		IPACMERR("Invalid add_offload_req\n");
+		if(mux_id ==0)
+		{
+			IPACMERR("Invalid add_offload_req muxd: (%d)\n", mux_id);
+			close(fd_wwan_ioctl);
+			return false;
+		}
+#ifdef QMI_IPA_MAX_FILTERS_EX2_V01
+		/* used for sending mux_id info to modem for UL sky*/
+		IPACMDBG_H("sending mux_id info (%d) to modem for UL\n", mux_id);
+		memset(&qmi_add_msg, 0, sizeof(qmi_add_msg));
+		qmi_add_msg.embedded_call_mux_id_valid = true;
+		qmi_add_msg.embedded_call_mux_id = mux_id;
+		ret = ioctl(fd_wwan_ioctl, WAN_IOC_ADD_OFFLOAD_CONNECTION, &qmi_add_msg);
+		if (ret != 0)
+		{
+			IPACMERR("Failed sending WAN_IOC_ADD_OFFLOAD_CONNECTION with ret %d\n ", ret);
+			close(fd_wwan_ioctl);
+			return false;
+		}
+#endif
 		close(fd_wwan_ioctl);
-		return false;
+		return true;
 	}
 	/* check Max offload connections */
 	if (total_num_offload_rules + flt_rule_tbl->num_rules > QMI_IPA_MAX_FILTERS_V01)
diff --git a/ipacm/src/IPACM_Wan.cpp b/ipacm/src/IPACM_Wan.cpp
index 1400696..9f2eb61 100644
--- a/ipacm/src/IPACM_Wan.cpp
+++ b/ipacm/src/IPACM_Wan.cpp
@@ -1626,6 +1626,12 @@
 			IPACM_Wan::backhaul_mode = m_is_sta_mode;		
 			IPACMDBG_H("Setting up QMAP ID %d.\n", ext_prop->ext[0].mux_id);
 			IPACM_Iface::ipacmcfg->SetQmapId(ext_prop->ext[0].mux_id);
+			/* sending mux-id info to PCIE-modem for UL */
+			if(false == m_filtering.AddOffloadFilteringRule(NULL, ext_prop->ext[0].mux_id))
+			{
+				IPACMERR("Failed to send mux id info to modem.\n");
+				return IPACM_FAILURE;
+			}
 		}
 		else
 		{