[windows2000] Re: OT- Sniff

  • From: Mobeen Azhar <moby@xxxxxxxxxxxxxx>
  • To: windows2000@xxxxxxxxxxxxx
  • Date: Fri, 09 Jul 2004 01:12:08 -0500

Most high end switches let you set up "port mirrors" (aka spanning ports). You plug your sniffer in one port, then your tell the switch to "mirror" or "span" all traffic from the port of interest to the port you plugged the sniffer in.

HTH

--Moby

They that can give up essential liberty to obtain a little temporary safety 
deserve neither liberty nor safety.  -- Benjamin Franklin

First they came for the Jews and I did not speak out because I was not a Jew.
Then they came for the Communists and I did not speak out because I was not a Communist.
Then they came for the trade unionists and I did not speak out because I was not a trade unionist.
Then they came for me and there was no one left to speak out for me. -- Pastor Martin Niemöller 



Robert K Coffman Jr - Info From Data Corporation wrote:

Some switches have a port (promiscuous I think its called) that allows you to see all traffic for this purpose.
- Bob Coffman

    -----Original Message-----
    *From:* windows2000-bounce@xxxxxxxxxxxxx
    [mailto:windows2000-bounce@xxxxxxxxxxxxx]*On Behalf Of *Bill Beckett
    *Sent:* Thursday, July 08, 2004 1:52 PM
    *To:* 'windows2000@xxxxxxxxxxxxx'
    *Subject:* [windows2000] Re: OT- Sniff

    You must have been right

        -----Original Message-----
        *From:* Herchenbach, Jim [mailto:jherchenbach@xxxxxxxxxx]
        *Sent:* Thursday, July 08, 2004 9:31 AM
        *To:* windows2000@xxxxxxxxxxxxx
        *Subject:* [windows2000] Re: OT- Sniff

You need to plug into a unmanaged hub i believe. Of course
i'm sure someone will correct me if I'm wrong.
*JIM HERCHENBACH*
/RVW Inc./


        ------------------------------------------------------------------------
        *From:* windows2000-bounce@xxxxxxxxxxxxx
        [mailto:windows2000-bounce@xxxxxxxxxxxxx] *On Behalf Of *Bill
        Beckett
        *Sent:* Thursday, July 08, 2004 8:12 AM
        *To:* 'windows2000@xxxxxxxxxxxxx'
        *Subject:* [windows2000] OT- Sniff

Beginner at sniffing so a beginner question:
As I understand it, if I am using a sniffer on my local PC and
the PC is connected to a switch, it will only see
packets/traffic on that segment. Assuming that is in fact
correct, what do I need to sniff across the entire LAN?


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