Command traceroute tracert

The tracert (traceroute) command is a tool used to trace the route of IP packets in networks. The operation of traceroute is based on sending a series of packets that increase the TTL (Time to Live) field, and examining the responses received from intermediate routers encountered along the way. The ping command has a similar action, but ping can only verify connectivity between two network nodes, it does not provide any routing information.

Windows tracert

tracert [-d] [-h maximum_hops] [-j host-list] [-w timeout][-R] [-S srcaddr] [-4] [-6] target_name

Options tracert

  1. -d Do not resolve addresses to hostnames.
  2. -h maximum_hops Maximum number of hops to search for target.
  3. -j host-list Loose source route along host-list (IPv4-only).
  4. -w timeout Wait timeout milliseconds for each reply.
  5. -R Trace round-trip path (IPv6-only).
  6. -S srcaddr Source address to use (IPv6-only).
  7. -4 Force using IPv4.
  8. -6 Force using IPv6.

Linux tracert

traceroute [options]  [packet length]

Options traceroute

  • -help
    Information about the command.
  • -d
    This command enables debugging on Linux.
  • -F
    Forbid fragmentation.
  • -f first_ttl
    Put the first TTL value of the packet.
  • -g gateway
    Define a loose source route gateway.
  • -i interface
    Set the interface for the probes.
  • -m max_ttl
    The TTL in traceroute means the maximum amount of hops.
  • -N
    The number of probes that are sent at the same time (simultaneously).
  • -n
    Stop the resolving of the IP addresses.
  • -p port
    Define the port for the query.
  • -t
    Set the type-of-service in probes.
  • -w waittime
    Maximum waiting time for each of the replies.
  • -q nqueries
    Set the number of queries. The default value is 3.
  • -r
    Bypass the routing tables and send them to the host directly (on an attached network only).
  • -S srcaddr
    IPv6 only – source address.
  • -e
    Show ICMP extensions.
  • -A
    AS lookups enable for each hop.
  • -V
    Show version.
  • -U
    Use a particular UDP port. The default value is 53.
  • -UL
    Use the UDPLITE for the query.
  • -P protocol
    Send packets of a specified IP protocol.
  • -I
    Use the ICMP echo for the requests.
  • -T
    Use the TCP SYN for the requests.
  • -4
    Use only IPv4 addresses
  • -6
    Use only IPv6 addresses

If we don’t want to read the results in the console we can, on both Windows and Linux, pass the data to a file using the following command.

traceroute > results.txt
tracert > result.txt
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