Index: busybox-1.31.1/networking/traceroute.c
===================================================================
--- busybox-1.31.1.orig/networking/traceroute.c	2021-03-18 10:24:09.762540590 +0800
+++ busybox-1.31.1/networking/traceroute.c	2021-03-18 10:24:29.370540684 +0800
@@ -344,8 +344,8 @@
 #endif
 /*End ZyXEL zcfg*/
 
-#define OPT_STRING \
-	"FIlnrdvxt:i:m:p:q:s:w:z:f:" \
+
+#define OPT_STRING "FIlnrdvxt:i:m:p:q:s:w:z:f:k:" \
 	"4" IF_TRACEROUTE6("6")
 enum {
 	OPT_DONT_FRAGMNT = (1 << 0),    /* F */
@@ -365,8 +365,9 @@
 	OPT_WAITTIME     = (1 << 14),   /* w */
 	OPT_PAUSE_MS     = (1 << 15),   /* z */
 	OPT_FIRST_TTL    = (1 << 16),   /* f */
-	OPT_IPV4         = (1 << 17),   /* 4 */
-	OPT_IPV6         = (1 << 18) * ENABLE_TRACEROUTE6, /* 6 */
+	OPT_OUTPUT_RDM   = (1 << 17),  /* k */
+	OPT_IPV4         = (1 << 18),   /* 4 */
+	OPT_IPV6         = (1 << 19) * ENABLE_TRACEROUTE6, /* 6 */
 };
 #define verbose (option_mask32 & OPT_VERBOSE)
 
@@ -405,6 +406,7 @@
 	uint16_t port; // 33434;        /* start udp dest port # for probe packets */
 	int waittime; // 5;             /* time to wait for response (in seconds) */
 	unsigned char recv_pkt[512];    /* last inbound (icmp) packet */
+	int outputRDM;
 };
 
 #define G (*ptr_to_globals)
@@ -418,6 +420,8 @@
 #define waittime  (G.waittime )
 #define recv_pkt  (G.recv_pkt )
 #define gwlist    (G.gwlist   )
+#define outputRDM (G.outputRDM)
+
 #define INIT_G() do { \
 	SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \
 	port = 33434; \
@@ -898,6 +902,13 @@
 	char *recv_str = NULL;
 	int buf_size = 0;
 
+
+	if(!outputRDM) {
+		printf("Standard output only\n");
+
+		return ZCFG_SUCCESS;
+	}
+
 	buf_size = sizeof(zcfgMsg_t)+payloadLen;
 	sendBuf = malloc(buf_size);
 	sendMsgHdr = (zcfgMsg_t*)sendBuf;
@@ -956,6 +967,7 @@
 	len_and_sockaddr *from_lsa;
 	struct sockaddr *lastaddr;
 	struct sockaddr *to;
+	char *outputrdm_str = NULL;
 #ifdef ZCFG_SUPPORT
 	//struct json_object *tracert_msg = NULL, *rt_hops = NULL, *result = NULL;
 	struct json_object *rt_hops = NULL, *result = NULL;
@@ -970,7 +982,7 @@
 		OPT_STRING
 		"\0" "-1:x-x" /* minimum 1 arg */
 		, &tos_str, &device, &max_ttl_str, &port_str, &nprobes_str
-		, &source, &waittime_str, &pausemsecs_str, &first_ttl_str
+		, &source, &waittime_str, &pausemsecs_str, &first_ttl_str, &outputrdm_str
 	);
 	argv += optind;
 
@@ -992,6 +1004,10 @@
 		port = xatou16(port_str);
 	if (op & OPT_NPROBES)
 		nprobes = xatou_range(nprobes_str, 1, INT_MAX);
+#ifdef ZCFG_SUPPORT
+	if (op & OPT_OUTPUT_RDM)
+		outputRDM = xatou_range(outputrdm_str, 0, 1);
+#endif
 	if (op & OPT_SOURCE) {
 		/*
 		 * set the ip source address of the outbound