Add -n <max_neighbors> getopt'ion
--- a/src/daemon/lldpd.c
+++ b/src/daemon/lldpd.c
@@ -1451,8 +1451,9 @@
 	 * unless there is a very good reason. Most command-line options will
 	 * get deprecated at some point. */
 	char *popt, opts[] =
-		"H:vhkrdD:p:xX:m:u:4:6:I:C:p:M:P:S:iL:@                    ";
+		"n:H:vhkrdD:p:xX:m:u:4:6:I:C:p:M:P:S:iL:@                    ";
 	int i, found, advertise_version = 1;
+	int max_neighbors = LLDPD_MAX_NEIGHBORS;
 #ifdef ENABLE_LLDPMED
 	int lldpmed = 0, noinventory = 0;
 	int enable_fast_start = 1;
@@ -1492,6 +1493,9 @@
 	}
 	while ((ch = getopt(argc, argv, opts)) != -1) {
 		switch (ch) {
+		case 'n':
+			max_neighbors = atoi(optarg);
+			break;
 		case 'h':
 			usage();
 			break;
@@ -1758,7 +1762,7 @@
 	cfg->g_config.c_receiveonly = receiveonly;
 	cfg->g_config.c_tx_interval = LLDPD_TX_INTERVAL;
 	cfg->g_config.c_tx_hold = LLDPD_TX_HOLD;
-	cfg->g_config.c_max_neighbors = LLDPD_MAX_NEIGHBORS;
+	cfg->g_config.c_max_neighbors = max_neighbors;
 #ifdef ENABLE_LLDPMED
 	cfg->g_config.c_enable_fast_start = enable_fast_start;
 	cfg->g_config.c_tx_fast_init = LLDPD_FAST_INIT;