Re: Tap problem.

[Frank Knobbe <frank () knobbe us>]

On Sat, 2004-06-19 at 14:35, Paul W Halliday wrote:
> I just finished building a second tap as per the instructions at
> http://www.snort.org/docs/tap/. Has anyone else built one of these? and if
> so do you get a link light on the NIC plugged into tap A?
> I was under the impression that either A or B would carry traffic if the
> device was full duplex. All I pick up it outgoing traffic.

I've been using the read-only cable for years now, but it is constructed
a bit different (see ASCII drawing in the FAQ). In order to get a link,
you have to connect pins 1 and 2 on the sniffer/snort interface.
Apparently that is not described in Michael's tap drawing. 

Go ahead and short-circuit pin 1 and 2 on both Tap A and Tap B ports
individually. That should fake a link on the sniffer card(s).

Regards,
Frank

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