Testing Ethernet Ports

[Dave+Seddon]

Greetings, 

You need a seperate routing table.  Try using Xen 
(http://www.cl.cam.ac.uk/Research/SRG/netos/xen/), or there's a patch 
floating around for FreeBSD4.9. 

Dave 


Barney Wolff writes: 

> On Thu, Sep 01, 2005 at 09:58:14AM -0500, Will Maier wrote:
>> On Thu, Sep 01, 2005 at 10:36:04AM -0400, Ames, Jonathan (N-ENSCO) wrote:
>> > Can someone give me a hand with this? 
>> 
>> Here goes... 
>> 
>> > A PC has two ethernet ports, both directly on the motherboard.
>> > Can I connect them externally with an ethernet cable and ping from
>> > one port to the other to test them both?  How? 
>> 
>> Lemme see if I parsed your question correctly:
>>     * box.A.nic.1 --cable--> box.A.nic.2 
>> 
>> Is that what you're talking about? Sure. Use a crossover cable,
>> assign each interface a different IP on the same subnet (eg 10.0.0.1
>> and 10.0.0.2) and ping from one to the other:
> 
> I don't believe this will do what's wanted - the packets will not actually
> go thru the NICs, as the OS is smart enough to realize that the dest is
> internal.  With a crossover cable (not required with gigabit nics) you
> can't tell, so if you try it use a switch and look at the lights. 
> 
> -- 
> Barney Wolff         http://www.databus.com/bwresume.pdf
> I never met a computer I didn't like.
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