Nope, no response. I never did figure it out. I just rearranged my network so the machines I want to monitor (i.e. the Windows ones!) are attached to the device which allows tcpdump to watch what they're doing. I still find it really odd.... On Wednesday 09 April 2003 14:37, Steven Augart wrote:
Derek,
Did you ever get an answer to your Ethernet Hubs question?
It certainly sounds to me as if you got more than you paid for.
--Steve Augart
Derek Fountain wrote at 16/02/2003 02:11 (GMT-0800):
I have, amongst my collection of bits, two ethernet hubs. One is by Netgear and one by Linksys. Both work. I have 3 machines, 1, 2 and 3.
I plug them all into the Netgear hub.
I log onto box 2 (at the console) and ping 3. Away to goes, every second. I open a tcpdump on 1 and watch the packets going by.
I now plug all the cables into the Linksys hub and repeat the experiment. Nothing!
When the machines are connected via the Linksys hub, tcpdump can't see the packets going from one machine to another, unless, it turns out, the machine running tcpdump is the one being pinged.
The Linksys device is a hub, not a switch! I know, I paid for it!
Anyone know why this is the case? Does Linksys stuff have some anti-snooping, don't-pass-through-to-promiscous cards sort of thing in it?
-- "...our desktop is falling behind stability-wise and feature wise to KDE ...when I went to Mexico in December to the facility where we launched gnome, they had all switched to KDE3." - Miguel de Icaza, March 2003