tracepath - traces path to <destination> discovering MTU
along this path
SYNOPSIS
tracepath destination [ port ]
DESCRIPTION
It traces path to <destination> discovering MTU along this
path. It uses UDP port <port> or some random port.
tracepath6 is good replacement for traceroute6
and classic example of application Linux error
queues. tracepath is worse, because commercial IP
routers do not return enough information in icmp
error messages. Probably, it will change, when
they will be updated. For now it uses Van Jacob
son's trick, sweaping a range of UDP ports to main
tain trace history. using source address <source>.
WARNING
GENERAL NOTE: all these applets, except for tracepath[6]
should be excecutabel only with CAP_NET_RAWIO capability.
To all that I know, they are safe to be used as setuid
root.
AUTHOR
tracepath was written by Alexey Kuznetsov
<kuznet@ms2.inr.ac.ru>
BUGS
If someone will dig out bugs, which were fixed after my
versions were cloned: PLEASE, tell me!
AVAILABILITY
tracepath is part of the iputils-ss990107 package and is
available for anonymous ftp <ftp://ftp.inr.ac.ru/ip-rout
ing/iputils-ss990107.tar.gz>
SEE ALSO
ping(8), clockdiff(8), arping(8)
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