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Hello Andres, Give a glance to an usefull whitepaper, that you could find at this url: http://www.iss.net/support/product_utilities/realsecure_tech_center/tips_tri cks/index.php the name of the doc is switched. Ciao Lorenzo > -----Messaggio originale----- > Da: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]] > Inviato: luned� 15 aprile 2002 09.29 > A: [EMAIL PROTECTED] > Oggetto: How to merge several switched LAN segments > > > > TO UNSUBSCRIBE: email "unsubscribe issforum" in the body of > your message to > [EMAIL PROTECTED] Contact [EMAIL PROTECTED] for help > with any problems! > -------------------------------------------------------------- > -------------- > > Hi there > > I am looking for a trick to merge the traffic of about 5 switched Fast > Ethernet LAN segments together in order to monitor the total > traffic with > only one RS Network Sensor. Most of the LAN segments are on different > physical switches (DMZ, RAS, WAN Segments), but in the same physical > location. > All links are Full-Duplex - and we would like to keep that up > to the IDS > Interface (to prevent packet loss due to collisions). > All this traffic should then be collected on a single > 'IDS-Switch', which > then mirrors all the incoming segments/traffic to the IDS > interface port. > > As this IDS switch (Cisco 2924) does not support *unidirectional* port > mirroring (SPAN), we need another solution to prevent the mix-up or > backflow of traffic to the source switches (also for security > reasons). > I've heard something about cutting the TX lines in the > Twistet-Pair patch > cables that lead to the IDS switch, to prevent the back-flow > of traffic. > Has anyone done this already, and if so, how do I trick the > switch to keep > the port 'up', despite the cut TX line? > Any other ideas or tricks to merge multiple switched LAN > segments onto the > IDS network interface? > > Many thanks! > Andres > > > > > ---------------------------------------------------------------- > The information transmitted is intended only for the person > or entity to > which it is addressed and may contain confidential and/or privileged > material. Any review, retransmission, dissemination or other > use of, or > taking of any action in reliance upon, this information by persons or > entities other than the intended recipient is prohibited. > If you received > this in error, please contact the sender and delete the > material from any > computer. > > >
