uint16_t tx_udp_dst_port = 9;
/* use RFC5735 / RFC2544 reserved network test addresses */
-uint32_t tx_ip_src_addr = (192U << 24) | (18 << 16) | (0 << 8) | 1;
-uint32_t tx_ip_dst_addr = (192U << 24) | (18 << 16) | (0 << 8) | 2;
+uint32_t tx_ip_src_addr = (198U << 24) | (18 << 16) | (0 << 8) | 1;
+uint32_t tx_ip_dst_addr = (198U << 24) | (18 << 16) | (0 << 8) | 2;
#define IP_DEFTTL 64 /* from RFC 1340. */