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Multicast setting for network sniffer

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I have a Linksys WRT54GL router upgraded to the DD-WRT firmware. I need a sniffer program and/or router setting that will capture all PC on the net, not just the one the sniffer is running on.

5 replies

by cg it

Snort is a great sniffer program. Sniffs everything going over the wire.

by toivo talikka

You may need to connect all your PCs to a separate hub first so that the PC with the sniffer will be able to see all the traffic on the LAN. The packets in a switch environment get routed from one port to the other, without being broadcast to the rest of the LAN.

by harold

the wired pc and server are not the greatest concern at this point. The first order is to monitor the laptops. I will try the hub for the wired units.

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