Wireshark · Wireshark-users: Re: [Wireshark-users] I can't sniff my LAN

[Anthony Murabito <anthony@xxxxxxxxxxx>]

Hi Darkk,

After taking a look at the site and the pictures,  it is evident you have a 10/100 Switch. If this switch does not have the capability of port mirroring (check your manual if possible) you'll have to try one of the previously suggested methods (buying a small switch that has this capability, or choosing an option listed in the previous wireshark link for capture setup).

Regards,

--Anthony

On 07/28/2010 03:18 PM, Darkk Nights wrote:

I think that's a hub with switch capabilities.

--- Em qua, 28/7/10, Kok-Yong Tan <ktan@xxxxxxxxxxxxxxxxxxx> escreveu:

De: Kok-Yong Tan <ktan@xxxxxxxxxxxxxxxxxxx>
Assunto: Re: [Wireshark-users] I can't sniff my LAN
Para: "Community support list for Wireshark" <wireshark-users@xxxxxxxxxxxxx>
Data: Quarta-feira, 28 de Julho de 2010, 22:05

Port mirroring only applies to a switch. And not all switches (especially the cheaper, unmanaged ones) can handle port mirroring.  All traffic in a hub is available to all ports.  You've got to figure out what you've got.  And that link is in Brazilian Portuguese only--maybe a fellow Brazilian or Portuguese-speaking subscriber to this list might be able to tell us what it says.

On Jul 28, 2010, at 14:52, Darkk Nights wrote:

I don't know how to configure port mirroring. And maybe it's a hub, and not a switch. This is the one I'm talking about: http://www.braview.com.br/home.asp?pag=Exibir&parent=Switches&chave=107&sb=208&tsb=16+Portas&prod=482

Again, thanks!

--- Em qua, 28/7/10, Anthony Murabito <anthony@xxxxxxxxxxx> escreveu:

De: Anthony Murabito <anthony@xxxxxxxxxxx>
Assunto: Re: [Wireshark-users] I can't sniff my LAN
Para: "Community support list for Wireshark" <wireshark-users@xxxxxxxxxxxxx>
Data: Quarta-feira, 28 de Julho de 2010, 21:01

Hi Darkk,

You need to enable port mirroring to be able to see all the traffic. By default a switch will only send out unicast/multicast traffic that is appropriate to that specific port you are plugged into.

Regards,

--Anthony

On 07/28/2010 01:55 PM, Darkk Nights wrote:

Hi!

I have 8 computers on a local network, all linked to a Braview HUBSW 16NTX switch, and this switch is linked to a Siemens 4200 modem/router, and this to the ADSL line.

I've been trying to monitor what's happening on the network but I only get results to my own computer, and I needed to monitor the whole network using WireShark.

So, what should I do?
Thanks!

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Anthony Murabito
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