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Ethereal-users: Re: [Ethereal-users] configuration

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From: "james" <jamesdudy@xxxxxxxxxxx>
Date: Tue, 19 Oct 2004 08:22:33 +0800
How do I disable host name resolution in Ethereal.
Is it in the preference.
thanks
----- Original Message -----
From: "Guy Harris" <gharris@xxxxxxxxx>
To: "Ethereal user support" <ethereal-users@xxxxxxxxxxxx>
Sent: Monday, October 18, 2004 8:58 AM
Subject: Re: [Ethereal-users] configuration


> james wrote:
>
> > I have attached picture.
>
> Much better.  Thanks.
>
> > I have set up my network to monitor the messages of the IP phone
> > using a PC with Ethereal as in attached diagram.
> >
> > Since Adsl modem is in bridge mode is it possible to monitor the
messages.
> > If can how?
> >
> > To my understanding only one equipment can be connected  in bridge mode.
>
> If by "bridge mode" you mean the ADSL modem is sending bridged Ethernet
> over ARP (that's how my ADSL modem is configured), then you could, in
> theory, have multiple devices connected to the hub sending traffic over
> the bridged Ethernet - for example, my ISP allows me to have up to 4
> static IP addresses, so I could connect up to 4 devices with different
> IP addresses.  I don't know what your ISP allows.
>
> If your ISP allows only one IP address, so that only one device can
> access the Internet through the ADSL modem, you could disable host name
> resolution in Ethereal, so that it doesn't have to use the Internet to
> analyze traffic.  As long as the hub is a real hub, not a "switched hub"
> (which is really just a cheap switch) and, if it's a dual-speed
> (10Mb/100Mb) hub, as long as Ethereal and the IP phone are running at
> the same speed, you should be able to capture all the traffic the IP
> phone is sending and receiving, as long as the PC's network card and the
> OS's driver for the network card support promiscuous mode.
>
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