Attribute

Function

-f

Set the initial time-to-live used in the first outgoing probe packet

-F

Set the don't fragment bit

-d

Enable socket level debugging

-g

Specify a loose source route gateway

-i

Specify a network interface to obtain the source IP address for outgoing probe packets

-I

Use the ICMP ECHO instead of UDP datagrams

-m

Set the max time-to-live (max number of hops) used in outgoing probe packets

-n

Print hop address numerically rather than symbolically

-p

Set the base UDP port number used in probes. (Default is 33434.)

-r

Bypass the normal routing tables and send directly to a host on an attached network

-s

Use the following IP address (which usually is given as an IP number) as the source address in outgoing probe packets

-t

Set the type of service in probe packets to the following value

-v

List the ICMP packets other than TIME_EXCEEDED and UNREACHABLE

-w

Set the time (in seconds) to wait for a response to a probe

-x

Toggle checksums