[c-nsp] 10G Xenpak 'virgin' question

[Justin M. Streiner]

On Tue, 9 Sep 2008, Jeff Kell wrote:

> We're trying to light up our first 10G Xenpak link, so far without
> success, so I'm looking for a quick sanity check.
>
> 3750G-16TD switch with an LR Xenpak [ours], trying to link to a Ciena
> [not ours] add/drop ONS.

What type of optics are in use on both ends?  Note that LX4 will not talk 
to SR/LR/ER/ZR.

Are you using singlemode or multimode fiber?  When you say "across campus" 
I'm assuming singlemode, but I've been wrong before :)

Also, do OTDR tests show a clean link all through the span?

jms

> We had some marginal power levels trying to backhaul the circuit across
> campus, so we relocated the 3750 next to the fiber ingress and trying to
> get the link up directly connected with no luck.
>
> No link light (ever), not even a noise packet in the interface stats.
> The interface isn't shutdown.  I've tried it P2P (no switchport) and
> trunk (switchport) and still nothing.
>
> Is there something obvious about a 10G interface configuration that I'm
> overlooking to get the thing to "speak" ?
>
> Jeff
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>