diff --git a/config.c b/config.c
index 80fa255..5da5ecc 100644
--- a/config.c
+++ b/config.c
@@ -180,6 +180,8 @@ struct config_item config_tab[] = {
 	PORT_ITEM_ENU("delay_filter", FILTER_MOVING_MEDIAN, delay_filter_enu),
 	PORT_ITEM_INT("delay_filter_length", 10, 1, INT_MAX),
 	PORT_ITEM_ENU("delay_mechanism", DM_E2E, delay_mech_enu),
+	GLOB_ITEM_INT("dscp_event", 0, 0, 63),
+	GLOB_ITEM_INT("dscp_general", 0, 0, 63),
 	GLOB_ITEM_INT("domainNumber", 0, 0, 127),
 	PORT_ITEM_INT("egressLatency", 0, INT_MIN, INT_MAX),
 	PORT_ITEM_INT("fault_badpeernet_interval", 16, INT32_MIN, INT32_MAX),
diff --git a/default.cfg b/default.cfg
index 67f5b3a..12542c0 100644
--- a/default.cfg
+++ b/default.cfg
@@ -12,6 +12,8 @@ clockAccuracy		0xFE
 offsetScaledLogVariance	0xFFFF
 free_running		0
 freq_est_interval	1
+dscp_event		0
+dscp_general		0
 #
 # Port Data Set
 #
diff --git a/ptp4l.8 b/ptp4l.8
index 72baf86..63e9abd 100644
--- a/ptp4l.8
+++ b/ptp4l.8
@@ -448,6 +448,20 @@ is only relevant with IPv6 transport.  See RFC 4291.  The default is
 Specifies the address of the UNIX domain socket for receiving local
 management messages. The default is /var/run/ptp4l.
 .TP
+.B dscp_event
+Defines the Differentiated Services Codepoint (DSCP) to be used for PTP
+event messages. Must be a value between 0 and 63. There are several media
+streaming standards out there that require specific values for this option.
+For example 46 (EF PHB) in AES67 or 48 (CS6 PHB) in RAVENNA. The default
+is 0.
+.TP
+.B dscp_general
+Defines the Differentiated Services Codepoint (DSCP) to be used for PTP
+general messages. Must be a value between 0 and 63. There are several media
+streaming standards out there that recommend specific values for this option.
+For example 34 (AF41 PHB) in AES67 or 46 (EF PHB) in RAVENNA. The default
+is 0.
+.TP
 .B logging_level
 The maximum logging level of messages which should be printed.
 The default is 6 (LOG_INFO).
diff --git a/sk.c b/sk.c
index e80f608..ad30f71 100644
--- a/sk.c
+++ b/sk.c
@@ -298,6 +298,29 @@ int sk_receive(int fd, void *buf, int buflen,
 	return cnt;
 }
 
+int sk_set_priority(int fd, uint8_t dscp)
+{
+	int tos;
+	socklen_t tos_len;
+
+	tos_len = sizeof(tos);
+	if (getsockopt(fd, SOL_IP, IP_TOS, &tos, &tos_len) < 0) {
+		tos = 0;
+	}
+
+	/* clear old DSCP value */
+	tos &= ~0xFC;
+
+	/* set new DSCP value */
+	tos |= dscp<<2;
+	tos_len = sizeof(tos);
+	if (setsockopt(fd, SOL_IP, IP_TOS, &tos, tos_len) < 0) {
+		return -1;
+	}
+
+	return 0;
+}
+
 int sk_timestamping_init(int fd, const char *device, enum timestamp_type type,
 			 enum transport_type transport)
 {
diff --git a/sk.h b/sk.h
index f05d1df..31cc88e 100644
--- a/sk.h
+++ b/sk.h
@@ -93,6 +93,14 @@ int sk_interface_addr(const char *name, int family, struct address *addr);
 int sk_receive(int fd, void *buf, int buflen,
 	       struct address *addr, struct hw_timestamp *hwts, int flags);
 
+/**
+ * Set DSCP value for socket.
+ * @param fd    An open socket.
+ * @param dscp  The desired DSCP code.
+ * @return Zero on success, negative on failure
+ */
+int sk_set_priority(int fd, uint8_t dscp);
+
 /**
  * Enable time stamping on a given network interface.
  * @param fd          An open socket.
diff --git a/udp.c b/udp.c
index 07277c7..6dabc31 100644
--- a/udp.c
+++ b/udp.c
@@ -157,6 +157,7 @@ static int udp_open(struct transport *t, const char *name, struct fdarray *fda,
 		    enum timestamp_type ts_type)
 {
 	struct udp *udp = container_of(t, struct udp, t);
+	uint8_t event_dscp, general_dscp;
 	int efd, gfd, ttl;
 
 	ttl = config_get_int(t->cfg, name, "udp_ttl");
@@ -186,6 +187,16 @@ static int udp_open(struct transport *t, const char *name, struct fdarray *fda,
 	if (sk_general_init(gfd))
 		goto no_timestamping;
 
+	event_dscp = config_get_int(t->cfg, NULL, "dscp_event");
+	general_dscp = config_get_int(t->cfg, NULL, "dscp_general");
+
+	if (event_dscp && sk_set_priority(efd, event_dscp)) {
+		pr_warning("Failed to set event DSCP priority.");
+	}
+	if (general_dscp && sk_set_priority(gfd, general_dscp)) {
+		pr_warning("Failed to set general DSCP priority.");
+	}
+
 	fda->fd[FD_EVENT] = efd;
 	fda->fd[FD_GENERAL] = gfd;
 	return 0;
diff --git a/udp6.c b/udp6.c
index 070e762..c229cac 100644
--- a/udp6.c
+++ b/udp6.c
@@ -165,6 +165,7 @@ static int udp6_open(struct transport *t, const char *name, struct fdarray *fda,
 		    enum timestamp_type ts_type)
 {
 	struct udp6 *udp6 = container_of(t, struct udp6, t);
+	uint8_t event_dscp, general_dscp;
 	int efd, gfd, hop_limit;
 
 	hop_limit = config_get_int(t->cfg, name, "udp_ttl");
@@ -196,6 +197,16 @@ static int udp6_open(struct transport *t, const char *name, struct fdarray *fda,
 	if (sk_general_init(gfd))
 		goto no_timestamping;
 
+	event_dscp = config_get_int(t->cfg, NULL, "dscp_event");
+	general_dscp = config_get_int(t->cfg, NULL, "dscp_general");
+
+	if (event_dscp && sk_set_priority(efd, event_dscp)) {
+		pr_warning("Failed to set event DSCP priority.");
+	}
+	if (general_dscp && sk_set_priority(gfd, general_dscp)) {
+		pr_warning("Failed to set general DSCP priority.");
+	}
+
 	fda->fd[FD_EVENT] = efd;
 	fda->fd[FD_GENERAL] = gfd;
 	return 0;