traceroute(8)
System Administration 475
NAME traceroute - display the route packets take to the specified network host or the
network device
SYNOPSIS traceroute [-n][-r][-v][-m maxttl][-p port][-q nqueries][-s src_addr][-w wait]
host
traceroute -h
DESCRIPTION The traceroute(8) command displays the route packets take to the specified
network host or the network device.
The route packets take indicates the router (gateway) which interconnects the
specified host or the network device, and indicates what kind of the routers located
on the route.
The traceroute(8) command uses the TTL field of IP protocol and tries to elicit
the ICMP TIME_EXCEEDED responses from every gateway on the route packets
take to the specified network host or the network device.
Privileges You must have one of the following privileges to run this command:
â– To execute the command to "localhost" or to the loopback address
(127.0.0.0/8):
fieldeng
â– To execute the command to Inter SCF Network (ISN):
fieldeng
â– The case other than those above:
No privileges are required.
Refer to setprivileges(8) for more information.
OPTIONS The following options are supported:
-h Displays usage statement. When used with other options or
operands, an error occurs.
-m maxttl Specifies the maximum number of hops. It displays the gateways
for the number of hops specified. If omitted, it is set to 30.
-n With no reverse DNS lookup, outputs the IP address.
-p port Specifies the port number of the UDP packet to be used. Valid
only in case using the UDP packet. If omitted, it is set to 33434.
-q nqueries Specifies the number of retries to a single gateway. If omitted, it
is set to three times.
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