Step 1: Doublecheck your cable. Try swapping the cable on eth1 for the cable on eth0, and vice versa, and see if the lights follow the cables. If they do (eth0 dark, eth1 lit) then replace the bad cable.

That's the only thing that leaps to mind, probably because I had the same problem with my own 3c509Bs. They're wonderfully solid cards, though. Been using mine for four years now.

Dave Rose wrote:

I am standing up a bering firewall and have made it through the 3c509
troubleshooting phase, or so I thought. I am unable to ping the internal
side of the firewall from my other computers.

My hardware
-----------------
486DX4 100Mhz
PCI video card
20MB RAM
Floppy disk
3c509B-TP (I have two of these cards installed in the ISA bus)


Hardware configuration ------------------------------- NO Hard drive (controller disabled in BIOS) NO comm/parallel ports (disabled in BIOS) Set the 3c509-TP cards to IRQ7,5 and IO addresses of 0x300,0x280 and disabled the ISA plug and play feature and successfully ran the 3COM diagnostics function on each card)


Software configuration ---------------------------- 1.) downloaded the bering 1.2 software (Windows utility to make the boot floppy- Bering_1.2_img_bering-1680.exe from http://download.sourceforge.net/leaf/)

2) downloaded the bering 1.2 modules (Bering_1.2_modules_2.4.20.tar.gz from
http://download.sourceforge.net/leaf/)

3) I booted the floppy I made in the first step and added the 3c509.o
ethernet card driver to /lib/modules

4.) I modified /etc/modules to add the line

3c509

5) I pretty much left /etc/network/interfaces to the default settings since
they are set up initially for the configuration that I am looking for


The problem -------------------- Although the system recognizes both cards (IRQs and IO addresses) at startup, the eth1 interface fails to activate, light up the led on the hub and can not be pinged from my other workstation on the internal lan. Any ideas how to proceed would be much appreciated.

Thanks
Dave



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