Re: Multiple Ethernet problem

[Scott Yellig <syellig@xxxxxxxxxxxxxxxx>]

I have never actually done this before, but it was my understanding that
in order to use two NICs in one machine, they must be different cards. I
think it has something to do with the way the cards are autoprobed, but im
not sure.

So, while im not anywhere near positive on this one, i would suggest
trying one NE card and one etherexpress at the same time.

Hope this helps.

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On Wed, 25 Nov 1998, Richard Lohman wrote:

> Hi all:
>     I'm having trouble getting two NICs to play nicely together in my
> linux box. The goal is to eventually get a firewall running. Here's
> basically what I have:
> 
> Intel 486DX33 w/16Mb
> Slackware 3.5 (kernel 2.0.34)
> (2) NE2000 compatible ISA adapters:
>     eth0  IRQ=10, IO=0x300
>     eth1  IRQ=11, IO=0x280
> 
> Here's what I've done so far:
> * Read the Ethernet HOWTO FAQ & help sections
> * Read the Multiple Ethernet Mini HOWTO
> * Read the Firewall HOWTO (up to where it assumes both interfaces are
> working)
> * Tried each of the following lines in my lilo.conf file:
>     append="ether=0,0,eth1"
>     append="ether=11,0x280,eth1"
>     append="ether=10,0x300,eth0 ether=11,0x280,eth1"
>     append="ether=0,0,eth0 ether=0,0,eth1"
> * Recompiled my kernel turning on the options listed in the Firewall
> HOWTO, section 5.1.
> * Reinstalled linux & the original bare ide kernel
> * Swapped the NE2000s out with Intel EtherExpress Pro10s (same results)
> * Threw the question out in comp.os.linux.networking. I got a reply,
> but due either to my inexperience, or his translation into english, I
> wasn't really sure what he was trying to say. 
> 
> The symptoms:
> eth0 is working fine. The ne module (loaded in /etc/rc.d/rc.modules)
> reports the proper IRQ, IO, and MAC address. The IP address defined in
> /etc/rc.d/rc.inet1 is bound to the adapter, and I can ping other local
> machines.
> 
> During bootup, there is a message indicating that eth0 is up. Directly
> after eth0 is recognized, the message "loading device 'eth1'..."
> appears, but no adapter is recognized. Typing in the following command:
>     ifconfig eth1 207.175.1.1 netmask 255.255.255.0 up
> returns a couple of errors indicating that eth1 can't be found.
> 
> So, if anyone has gone through this, and is familiar with another
> approach, I would be most grateful. Please bear in mind that I am
> rather new to linux, and hence what may be obvious to the more
> experienced may fly right by me. Thanks in advance.
> ==
>  ---------------------------------------------------------
> | Richard J. Lohman        | If you always do what you've |
> | Network Engineer         | always done, you'll always   |
> | Data Processing Dept.    | get what you've always       |
> | Porter County, IN        | got.                         |
>  ---------------------------------------------------------
> 
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