[c-nsp] NPE-G1s don't want to talk to each other over copper?

[Darren O'Connor]

No auto-mdix on npe-g1 so use a crossover

Thanks
Darren
http://www.mellowd.co.uk/ccie



> To: cisco-nsp at puck.nether.net
> From: rs at seastrom.com
> Date: Wed, 19 Mar 2014 09:39:29 -0400
> CC: rs at seastrom.com
> Subject: [c-nsp] NPE-G1s don't want to talk to each other over copper?
> 
> 
> Hi folks,
> 
> I have a small pile of NPE-G1s here, about to upgrade the routing
> engines in the VXRs in $BROCOLO in an effort to eke out a couple of
> more years from them.
> 
> So, I'm staging and made an interesting discovery: over the built-in
> rj45 connectors they will talk to a switch (ex3200) but when cabled to
> each other link will not come up.  Haven't tried a crossover cable to
> see if they'll come up at 100m rather than gigabit, but this is
> puzzling to me.
> 
> Tried 12.4 mainline and 15.x.  Upgraded the bootloader.  No joy.
> 
> Anyone have any ideas or is this a known shortcoming?
> 
> Thanks,
> 
> -r
> 
> 
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