[Cialug] How is this possible?

[David Champion]

What's the output of "ifconfig" on that system?

-dc

On Thu, Mar 30, 2017 at 3:37 PM, Tom Sellers <tsellers2009 at gmail.com> wrote:

> I have a small desktop computer with two wired network connections.  One is
> built into the motherboard and the other is a 3com network card that I have
> added.
>
> The built in network card should be eth0 and the added card should be
> eth1.  The eth0 wired connection is set to use dhcp while the eth1 wired
> network card is assigned an IP.
>
> When I boot the system up with no network cable connected to eth0 and a
> cable to my dhcp network on eth1and run ifconfig. I get a display that
> indicates eth0 has an IP on my dhcp network and eth1 shows the assigned ip
> given it.
>
>  When I ping the dhcp network address I get a response and when I ping the
> assigned IP I also get a response.  Both appear to be using the added
> network card (eth1) even though the two network connections show separate
> hardware addresses.
>
> Can anyone explain how this is possible?
>
> This all started when I was unable to get linux to get a dhcp address on
> eth0 with both network jacks cabled to their respective networks.  I didn't
> think the same card could have two separate IP addresses.
>
> Not that familiar with linux!
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