diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index f9c55a2260..9d95202233 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -1215,7 +1215,9 @@ void
 port_mtu_set(portid_t port_id, uint16_t mtu)
 {
 	int diag;
+	struct rte_port *rte_port = &ports[port_id];
 	struct rte_eth_dev_info dev_info;
+	uint16_t eth_overhead;
 	int ret;
 
 	if (port_id_is_invalid(port_id, ENABLED_WARN))
@@ -1231,8 +1233,25 @@ port_mtu_set(portid_t port_id, uint16_t mtu)
 		return;
 	}
 	diag = rte_eth_dev_set_mtu(port_id, mtu);
-	if (diag == 0)
+	if (diag == 0 &&
+	    dev_info.rx_offload_capa & DEV_RX_OFFLOAD_JUMBO_FRAME) {
+		/*
+		 * Ether overhead in driver is equal to the difference of
+		 * max_rx_pktlen and max_mtu in rte_eth_dev_info when the
+		 * device supports jumbo frame.
+		 */
+		eth_overhead = dev_info.max_rx_pktlen - dev_info.max_mtu;
+		if (mtu > RTE_ETHER_MAX_LEN - eth_overhead) {
+			rte_port->dev_conf.rxmode.offloads |=
+						DEV_RX_OFFLOAD_JUMBO_FRAME;
+			rte_port->dev_conf.rxmode.max_rx_pkt_len =
+						mtu + eth_overhead;
+		} else
+			rte_port->dev_conf.rxmode.offloads &=
+						~DEV_RX_OFFLOAD_JUMBO_FRAME;
+
 		return;
+	}
 	printf("Set MTU failed. diag=%d\n", diag);
 }