Switches with monitoring port

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premod_dm

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Hi,

Can someone point me to commercial L2 switches with a monitoring port? My idea is to use this port to sniff the entire traffic passing through?

Thanks
 

hello

use a packet sniffer like ethereal

makri
 

makri said:
hello

use a packet sniffer like ethereal

makri
Click to expand...

How does it work ?
I have thought a switch would remember the MAC address and would not send the packet to a 2nd pc with the installed ethereal.
Do you clone the MAC address ?

Bernie
 

Switches do not forward all traffic to all ports (as hubs do). Hence with a normal switch only broadcasts and packets addressed to a specific port (MAC) can be monitored. Monitoring switches should allow us to see the traffic flowing through all ports. Of course, we can use a sniffer to capture and analyse this traffic.
 

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