I put a second NE2000 card into one of my Linux boxes and discovered
some interesting behaviour.
The first card is a PCI RTL8029 chipset-based card, and the second card
is an ISA RTL8019 based card.
Here is what happens:
1. Card 1 (eth0, the PCI one) operates normally, on a RG-58 Thinnet coax
2. Card 2 refuses to send packets successfully over CAT5 wire. The Link
lite is active on both the card and the concentrator, so the cable is
3. When connected to a separate coax segment, the second card works
fine. Yes, I checked the card configuration, and it's set to the right
cable type each time, and I also tried auto-detect.
4. Card 1 connected to the Cat5 wire has the same problem - it works on
coax, and does not otherwise.
5. ifconfig shows that the card is receiving packets, even when
connected to the cat5 wire. The lights blink too...
6. a traceroute -n to a host on the network spits back the IP number of
the card (correct) and then a !H, meaning host is not there or
unreachable when connected to cat5.
I played with various configurations and all that, to no avail. The
machine does not have another OS on it, but the link diagnostics on the
ethernet driver disks show that the card does receive frames from other
What did I miss here?
Any suggestions appreciated.
facts below, opinion above
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