Usage: mtr [options] hostname -F, --filename FILE read hostname(s) from a file -4 use IPv4 only -6 use IPv6 only -u, --udp use UDP instead of ICMP echo -T, --tcp use TCP instead of ICMP echo -I, --interface NAME use named network interface -a, --address ADDRESS bind the outgoing socket to ADDRESS -f, --first-ttl NUMBER set what TTL to start -m, --max-ttl NUMBER maximum number of hops -U, --max-unknown NUMBER maximum unknown host -P, --port PORT target port number for TCP, SCTP, or UDP -L, --localport LOCALPORT source port number for UDP -s, --psize PACKETSIZE set the packet size used for probing -B, --bitpattern NUMBER set bit pattern to use in payload -i, --interval SECONDS ICMP echo request interval -G, --gracetime SECONDS number of seconds to wait for responses -Q, --tos NUMBER type of service field in IP header -e, --mpls display information from ICMP extensions -Z, --timeout SECONDS seconds to keep probe sockets open -M, --mark MARK mark each sent packet -r, --report output using report mode -w, --report-wide output wide report -c, --report-cycles COUNT set the number of pings sent -j, --json output json -x, --xml output xml -C, --csv output comma separated values -l, --raw output raw format -p, --split split output -t, --curses use curses terminal interface --displaymode MODE select initial display mode -n, --no-dns do not resolve host names -b, --show-ips show IP numbers and host names -o, --order FIELDS select output fields -y, --ipinfo NUMBER select IP information in output -z, --aslookup display AS number -h, --help display this help and exit -v, --version output version information and exit See the 'man 8 mtr' for details.