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RE: SPAN Port
From: "David Gillett" <gillettdavid () fhda edu>
Date: Mon, 23 Jan 2006 13:41:42 -0800

  Traditionally, at least one of them would need to be on the switch
where the SPAN port is.  But they didn't both need to be, and with
modern IOS-based switches I believe you can SPAN remotely.

  The traditional SPN config came in two flavours:  traffic to/from
a specific port, or to/from a specific VLAN.  The latter applies to
all ports in the VLAN....

David Gillett
 

-----Original Message-----
From: elite.coder () ntlworld com [mailto:elite.coder () ntlworld com] 
Sent: Saturday, January 21, 2006 4:07 PM
To: security-basics () securityfocus com
Subject: SPAN Port

Hello everyone,

Just out of interest, would the SPAN port on a switch 
replicate traffic between the computers as well as the uplink 
port. Say if 192.168.0.39 talks to 192.168.0.38, will the 
SPAN port replicate the traffic between the two computers if 
they were on the same switch AND if they were on different switches?

Thanks,

Binks

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EARN A MASTER OF SCIENCE IN INFORMATION ASSURANCE - ONLINE
The Norwich University program offers unparalleled Infosec management 
education and the case study affords you unmatched consulting experience. 
Tailor your education to your own professional goals with degree 
customizations including Emergency Management, Business Continuity Planning, 
Computer Emergency Response Teams, and Digital Investigations. 

http://www.msia.norwich.edu/secfocus
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