[c-nsp] No Link between SFP-10G-LRM and X2-10GB-LX4?

[Pavel Skovajsa]

Hello,

Really does it say to be incompatible? Since LX4 is longwave paralel
solution (similar to WDM) and LRM is longwave serial solution.

-pavel

On Wed, Oct 5, 2011 at 7:40 PM, <cisco at entrap.de> wrote:

> Greetings,
>
> I have a 6509 with an X6716-10GE Card equipped with Cisco X2-10GB-LX4 10GE
> modules and a Cisco 2960S-48TD-L Switch with two Cisco SFP-10G-LRM
> modules.
>
> Right now I am not able to get an active link between these X2 and SFP
> modules, it stays down/down (notconnected). I instantly get a link when
> connecting X2 to X2 or SFP+ to SFP+ Module. I tried nonegotiate but this
> didn't help.. The 6509 runs IOS 12.2(33)SXI7, the 2960 IOS 12.2(55)SE3.
> Cisco says these modules are compatible to each other..
>
> Has anyone seen this before? Any hints or ideas?
>
> Thanks,
> Holger
>
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