I did this by accident one time while attempting to make
a cross over cable. Create a cable and just dont have
the Tx go through. When my cable was accidentally made
that way, I was able to see traffic on the network, but
the network totally ignored me.
George Gallen
[EMAIL PROTECTED]
-----Original Message-----
From: Mullen, Patrick [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 28, 1999 4:30 PM
To: 'linux-admin'; '[EMAIL PROTECTED]'
Subject: uni-directional ethernet cable
[I am not subscribed linux-net so please cc: me in replies. ~PM]
I have a weird wiring question. I want to create an ethernet
cable for a 100baseT network which can only transmit one
direction.
The purpose for this cable is to take traffic from one or more
LANs and mirror it into another LAN where I will have a
NIDS (Network Intrusion Detection System) monitoring traffic
from all LANs. The problem is I want to keep these LANs
(technically they're VLANs on a switch) seperate and using a
simple crossover cable allowed traffic to flow in both directions,
defeating the purpose of having the VLANs split up.
Any help would be greatly appreciated.
Thanks!
~Patrick
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