Wireshark · Wireshark-users: Re: [Wireshark-users] VoIP Analysis for Dummies

[Jaap Keuter <jaap.keuter@xxxxxxxxx>]

Hi,

Are you ABSOLUTELY sure it's a hub? Many are switches underneath.
Check out the Wireshark Wiki on suspicious hubs.

Thanx,
Jaap

On Thu, 22 Mar 2007, Cliff Weisgerber wrote:

>
>
> Hi,
>
>
>
> I am trying to use wireshark to trace VoIP activity.  First, I must plead
> ignorance as far as doing network sniffs - I have used ethereal in the past
> and now wireshark but am no expert at this.
>
>
>
> My problem:  I see no SIP or RTP traffic on the traces I am doing.  I am
> filtering out just the traffic between a couple of phones, the gateways in
> the network and my asterisk server.  My phones and the PC running wireshark
> are all on the same LinkSys hub so I should see this stuff, shouldn't I?  I
> make calls between the phones and see nothing.
>
>
>
> What am I not doing correctly?
>
>
>
> Thanks for helping a newbie!
>
>
>
> Cliff Weisgerber
>
>
>
> Cliff
>
> "On Wednesdays I go shopping and have buttered scones for tea."
>
>
>
>