Wireshark · Ethereal-dev: Re: [Ethereal-dev] Ethereal 0.9.12 - ntp dissector not showing NTPprotocol version flag

["Ronnie Sahlberg" <ronnie_sahlberg@xxxxxxxxxxxxxx>]

Hi,

Can you mail a small example capture to the list containing such packets?


----- Original Message -----
From: "Falk Hayn"
Sent: Wednesday, June 04, 2003 6:04 PM
Subject: [Ethereal-dev] Ethereal 0.9.12 - ntp dissector not showing
NTPprotocol version flag


> Dear Ladies and Sirs,
>
> within Ethereal 0.9.12, the ntp dissector does not show the NTP protocol
> version (V3 or V4) flags,
>
> The following flags were not decoded and displayed:
> LI - Leap Warning Indicator
> VN - NTP protokoll Version Number
> MODE - NTP mode
>
> I noticed this effect as I was investigating a NTP problem, which was a
> protocol version problem between NTP V3 server and NTP V4 client as
described in
> http://www.ntp.org/ntpfaq/NTP-s-trouble.htm#S-TRBL-SPEC-TRUETIME
>
> Latelay I noticed that it is a V4 problem, because ethereal did not show
the
> version and I missed the idea... ;-)
>
> I saw in the source-code of "packet-ntp.c" that all flags are defined,
> but did not find the special decoce lines.
> After building ethereal on HP-UX11, Sol.8 and Linux on none of these
> platforms the LI, VN or MODE flasg were decoded.
>
> I can provide sample traces from HP-UX11, Sol.8 and Linux if wanted.
>
> I would like to ask who is responsible for the  "packet-ntp.c" and if this
> person is willing to add the LI, VN and MODE flags to the decode.
> With real interop. problems, these flags are the most important
> informations.. ;-)
>
> With thanks & regards F.
>
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