2005-08-12 04:12:38

by Michael

[permalink] [raw]
Subject: newbie question

Hi,=20

how can I understand following output from "tcpdump -p", at that time,
I am "dd" a file into a nfs mount point. Can anyone send me a
reference link to me? especially what's the meaning of "frag
55141:1292@2960", what's "DF"...

11:40:16.499209 192.168.0.148.3554257722 > 192.168.0.90.nfs: 1472
write [|nfs] (frag 55140:1480@0+)
11:40:16.499412 192.168.0.90.nfs > 192.168.0.148.3302599482: reply ok 136 (=
DF)
11:40:16.499450 192.168.0.148 > 192.168.0.90: udp (frag 55141:1292@2960)
11:40:16.499458 192.168.0.148 > 192.168.0.90: udp (frag 55141:1480@1480+)
11:40:16.499464 192.168.0.148.3571034938 > 192.168.0.90.nfs: 1472
write [|nfs] (frag 55141:1480@0+)
11:40:16.499777 192.168.0.90.nfs > 192.168.0.148.3319376698: reply ok 136 (=
DF)
11:40:16.499813 192.168.0.148 > 192.168.0.90: udp (frag 55142:1292@2960)
11:40:16.499821 192.168.0.148 > 192.168.0.90: udp (frag 55142:1480@1480+)

Thank,

Mike


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2005-08-12 05:01:22

by mehta kiran

[permalink] [raw]
Subject: Re: newbie question

Just in case you need it ....
For more readable output use=20
tethereal -V
--- Michael <[email protected]> wrote:

> Hi,=20
>=20
> how can I understand following output from "tcpdump
> -p", at that time,
> I am "dd" a file into a nfs mount point. Can anyone
> send me a
> reference link to me? especially what's the meaning
> of "frag
> 55141:1292@2960", what's "DF"...
>=20
> 11:40:16.499209 192.168.0.148.3554257722 >
> 192.168.0.90.nfs: 1472
> write [|nfs] (frag 55140:1480@0+)
> 11:40:16.499412 192.168.0.90.nfs >
> 192.168.0.148.3302599482: reply ok 136 (DF)
> 11:40:16.499450 192.168.0.148 > 192.168.0.90: udp
> (frag 55141:1292@2960)
> 11:40:16.499458 192.168.0.148 > 192.168.0.90: udp
> (frag 55141:1480@1480+)
> 11:40:16.499464 192.168.0.148.3571034938 >
> 192.168.0.90.nfs: 1472
> write [|nfs] (frag 55141:1480@0+)
> 11:40:16.499777 192.168.0.90.nfs >
> 192.168.0.148.3319376698: reply ok 136 (DF)
> 11:40:16.499813 192.168.0.148 > 192.168.0.90: udp
> (frag 55142:1292@2960)
> 11:40:16.499821 192.168.0.148 > 192.168.0.90: udp
> (frag 55142:1480@1480+)
>=20
> Thank,
>=20
> Mike
>=20
>=20
>
-------------------------------------------------------
> SF.Net email is Sponsored by the Better Software
> Conference & EXPO
> September 19-22, 2005 * San Francisco, CA *
> Development Lifecycle Practices
> Agile & Plan-Driven Development * Managing Projects
> & Teams * Testing & QA
> Security * Process Improvement & Measurement *
> http://www.sqe.com/bsce5sf
> _______________________________________________
> NFS maillist - [email protected]
> https://lists.sourceforge.net/lists/listinfo/nfs
>=20


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-------------------------------------------------------
SF.Net email is Sponsored by the Better Software Conference & EXPO
September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practic=
es
Agile & Plan-Driven Development * Managing Projects & Teams * Testing & Q=
A
Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
_______________________________________________
NFS maillist - [email protected]
https://lists.sourceforge.net/lists/listinfo/nfs