diff --git a/QnetGateway.cpp b/QnetGateway.cpp
index c40c04f..0940b00 100644
--- a/QnetGateway.cpp
+++ b/QnetGateway.cpp
@@ -282,6 +282,8 @@ bool CQnetGateway::ReadConfig(char *cfgFile)
 	path.assign("gateway_");
 	cfg.GetValue(path+"ip", estr, g2_external.ip, 7, 64);
 	cfg.GetValue(path+"port", estr, g2_external.port, 1024, 65535);
+	cfg.GetValue(path+"ipv6_ip", estr, g2_ipv6_external.ip, 7, 64);
+	cfg.GetValue(path+"ipv6_port", estr, g2_ipv6_external.port, 1024, 65535);
 	cfg.GetValue(path+"header_regen", estr, GATEWAY_HEADER_REGEN);
 	cfg.GetValue(path+"send_qrgs_maps", estr, GATEWAY_SEND_QRGS_MAP);
 	cfg.GetValue(path+"gate2link", estr, gate2link, 1, FILENAME_MAX);
@@ -341,25 +343,25 @@ bool CQnetGateway::ReadConfig(char *cfgFile)
 }
 
 // Create ports
-int CQnetGateway::open_port(const SPORTIP &pip, int family)
+int CQnetGateway::open_port(const SPORTIP *pip, int family)
 {
-	CSockAddress sin(family, pip.port, pip.ip.c_str());
+	CSockAddress sin(family, pip->port, pip->ip.c_str());
 
 	int sock = socket(family, SOCK_DGRAM, 0);
 	if (0 > sock) {
-		printf("Failed to create socket on %s:%d, errno=%d, %s\n", pip.ip.c_str(), pip.port, errno, strerror(errno));
+		printf("Failed to create socket on %s:%d, errno=%d, %s\n", pip->ip.c_str(), pip->port, errno, strerror(errno));
 		return -1;
 	}
 	fcntl(sock, F_SETFL, O_NONBLOCK);
 
-	int reuse = 1;
-	if (::setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) {
-		printf("Cannot set the UDP socket (port %u) option, err: %d, %s\n", pip.port, errno, strerror(errno));
-		return -1;
-	}
+	//int reuse = 1;
+	//if (::setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) {
+	//	printf("Cannot set the UDP socket (port %u) option, err: %d, %s\n", pip->port, errno, strerror(errno));
+	//	return -1;
+	//}
 
 	if (bind(sock, sin.GetPointer(), sizeof(struct sockaddr_storage)) != 0) {
-		printf("Failed to bind %s:%d, errno=%d, %s\n", pip.ip.c_str(), pip.port, errno, strerror(errno));
+		printf("Failed to bind %s:%d, errno=%d, %s\n", pip->ip.c_str(), pip->port, errno, strerror(errno));
 		close(sock);
 		return -1;
 	}
@@ -2481,22 +2483,25 @@ bool CQnetGateway::Init(char *cfgfile)
 	}
 		/* udp port 40000 must open first */
 	if (ii[0]) {
-		g2_sock[0] = open_port(g2_external, af_family[0]);
+		SPORTIP *pip = (AF_INET == af_family[0]) ? &g2_external : & g2_ipv6_external;
+		g2_sock[0] = open_port(pip, af_family[0]);
 		if (0 > g2_sock[0]) {
-			printf("Can't open %s:%d for %s\n", g2_external.ip.c_str(), g2_external.port, ircddb[i].ip.c_str());
+			printf("Can't open %s:%d for %s\n", pip->ip.c_str(), pip->port, ircddb[i].ip.c_str());
 			return true;
 		}
-		if (ii[1] && (af_family[0] != af_family[1])) {	// we only need to open a second port if the family for the irc server is different!
-			g2_sock[1] = open_port(g2_external, af_family[1]);
+		if (ii[1] && (af_family[0] != af_family[1])) {	// we only need to open a second port if the family for the irc servers are different!
+			SPORTIP *pip = (AF_INET == af_family[1]) ? &g2_external : & g2_ipv6_external;
+			g2_sock[1] = open_port(pip, af_family[1]);
 			if (0 > g2_sock[1]) {
-				printf("Can't open %s:%d for %s\n", g2_external.ip.c_str(), g2_external.port, ircddb[1].ip.c_str());
+				printf("Can't open %s:%d for %s\n", pip->ip.c_str(), pip->port, ircddb[1].ip.c_str());
 				return true;
 			}
 		}
 	} else if (ii[1]) {
-		g2_sock[1] = open_port(g2_external, af_family[1]);
+		SPORTIP *pip = (AF_INET == af_family[1]) ? &g2_external : & g2_ipv6_external;
+		g2_sock[1] = open_port(pip, af_family[1]);
 		if (0 > g2_sock[1]) {
-			printf("Can't open %s:%d for %s\n", g2_external.ip.c_str(), g2_external.port, ircddb[1].ip.c_str());
+			printf("Can't open %s:%d for %s\n", pip->ip.c_str(), pip->port, ircddb[1].ip.c_str());
 			return true;
 		}
 	}
diff --git a/QnetGateway.h b/QnetGateway.h
index 7ab8a1b..4fe66df 100644
--- a/QnetGateway.h
+++ b/QnetGateway.h
@@ -91,7 +91,7 @@ private:
 	bool ABC_grp[3] = { false, false, false };
 	bool C_seen[3] = { false, false, false };
 
-	SPORTIP g2_external, ircddb[2];
+	SPORTIP g2_external, g2_ipv6_external, ircddb[2];
 
 	CUnixDgramReader Link2Gate, Modem2Gate;
 	CUnixDgramWriter Gate2Link, Gate2Modem[3];
@@ -160,7 +160,7 @@ private:
 
 	bool VoicePacketIsSync(const unsigned char *text);
 	void AddFDSet(int &max, int newfd, fd_set *set);
-	int open_port(const SPORTIP &pip, int family);
+	int open_port(const SPORTIP *pip, int family);
 	void calcPFCS(unsigned char *packet, int len);
 	void GetIRCDataThread(int i);
 	int get_yrcall_rptr_from_cache(const int i, const std::string &call, std::string &arearp_cs, std::string &zonerp_cs, char *mod, std::string &ip, char RoU);
diff --git a/defaults b/defaults
index 4ad1a4f..770c9a2 100644
--- a/defaults
+++ b/defaults
@@ -45,22 +45,24 @@ ircddb1_password_d=''            # not needed for rr.openquad.net
 #
 # GATEWAY
 #
-gateway_header_regen_d=true       # regenerate headers from incoming data
-gateway_send_qrgs_maps_d=true     # send frequency, offset, coordinates and url to irc-server
-gateway_ip_d='ANY_PORT'           # the g2 port
-gateway_port_d=40000              # don't change
-gateway_gate2link_d='gate2link'   # Unix sockets between qngateway and QnetLink
-gateway_link2gate_d='link2gate'   # all Unix sockets are on the file system, but hidden from view
-gateway_modem2gate_d='modem2gate' # Unix Sockets between the modem(s) and the gateway (1 in, 3 out)
+gateway_header_regen_d=true          # regenerate headers from incoming data
+gateway_send_qrgs_maps_d=true        # send frequency, offset, coordinates and url to irc-server
+gateway_ip_d='ANY_PORT'              # the g2 port
+gateway_port_d=40000                 # don't change
+gateway_ipv6_ip_d='ANY_PORT'
+gateway_ipv6_port_d=9011     # IANA-approved DStar rouing port
+gateway_gate2link_d='gate2link'      # Unix sockets between qngateway and QnetLink
+gateway_link2gate_d='link2gate'      # all Unix sockets are on the file system, but hidden from view
+gateway_modem2gate_d='modem2gate'    # Unix Sockets between the modem(s) and the gateway (1 in, 3 out)
 gateway_gate2modema_d='gate2modema'
 gateway_gate2modemb_d='gate2modemb'
 gateway_gate2modemc_d='gate2modemc'
-gateway_latitude_d=0              # you can leave this unspecified for a mobile rig
-gateway_longitude_d=0             # like the latitude
-gateway_desc1_d=''                # maximum of 20 characters, most special symbols are not allowed
-gateway_desc2_d=''                # just like desc1
+gateway_latitude_d=0                 # you can leave this unspecified for a mobile rig
+gateway_longitude_d=0                # like the latitude
+gateway_desc1_d=''                   # maximum of 20 characters, most special symbols are not allowed
+gateway_desc2_d=''                   # just like desc1
 gateway_url_d='github.com/n7tae/QnetGateway' # 80 characters max
-gateway_find_route_d=''           # CSV list of route(s) to load on boot-up (prevents the "not in cache" message)
+gateway_find_route_d=''              # CSV list of route(s) to load on boot-up (prevents the "not in cache" message)
 
 ##########################################################################################################################
 #