Re: optic fiber card first shows link but after ifup gives a Link down

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I dont have much experience here, but after the link
goes down, did you try to connect to that port using a
laptop? I had soemthing simmilar once and it took me
one month to realize that the main switch was shuting
donwn the port as a result of a security policy. 

 Val

--- dev.loop@xxxxxxxxx wrote:

> Hi,
> 
> I`ve got a machine with four network interfaces
> which acts as a firewall.
> Two of those network interfaces are optic fiber
> cards.
> 'lspci' shows all four interfaces correctly. No
> Problem there. Also the
> necessary kernel module (pcnet32) is loaded and
> everything seems to be fine.
> 
> When I plug the optic fiber cabel into one of the
> cards it shows a link by
> activating a green light. As soon as I try to bring
> that network interface
> up (ifup eth2), it gives me a "link down" and the
> green light is
> extinguished of course. /var/log/messages shows
> nothing regarding this
> matter.
> The optic fiber cards I use are Allied Telesyn
> Advanced Micro Devices [AMD]
> 79c970 [PCnet32 LANCE] (rev 36).
> 
> If anyone can shed any light into this, I would be
> more than thankful. I
> have no clue, what to do next.
> TIA,
> /dev/loop
> > -- 
> fedora-list mailing list
> fedora-list@xxxxxxxxxx
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