tracepath

8 iputils-&snapshot;

tracepath, tracepath6

traces path to a network host discovering MTU along this path

    tracepath

## DESCRIPTION

It traces path to ``

``

## OUTPUT

    root@mops:~ # tracepath6 3ffe:2400:0:109::2
     1?: [LOCALHOST]                              pmtu 1500
     1:  dust.inr.ac.ru                   0.411ms
     2:  dust.inr.ac.ru        asymm  1   0.390ms pmtu 1480
     2:  3ffe:2400:0:109::2               463.514ms reached
         Resume: pmtu 1480 hops 2 back 2

The first column shows ``

The second column shows the network hop, which replied to the probe. It is either address of router or word ``

The rest of line shows miscellaneous information about path to the correspinding hetwork hop. As rule it contains value of RTT. Additionally, it can show Path MTU, when it changes. If the path is asymmetric or the probe finishes before it reach prescribed hop, difference between number of hops in forward and backward direction is shown folloing keyword ``

Te last line summarizes information about all the path to the destination, it shows detected Path MTU, amount of hops to the destination and our guess about amount of hops from the destination to us, which can be different when the path is asymmetric.

## SEE ALSO

,

,

.

## AUTHOR

`Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>.`

## SECURITY

No security issues.

This lapidary deserves to be elaborated. ``

## AVAILABILITY

`http://www.skbuff.net/iputils/iputils-current.tar.bz2.`

# COPYING

    This documentation is free software; you can redistribute
    it and/or modify it under the terms of the GNU General Public
    License Version 2.

    This program is distributed in the hope that it will be
    useful, but WITHOUT ANY WARRANTY; without even the implied
    warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    See the GNU General Public License for more details.

    For more details see the file COPYING in the source
    distribution of Linux kernel of version 2.4.

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