[j-nsp] DPC-R-40GE-SFP and Transition Media Converter

[Jason Dearborn]

Media converters can be tricky and the devil is in the detail.

* Do you need to be able to disable auto-negotiation?  Not all media
converters can do this.
* Are you trying to connect a 1000Base router port to a 100Base converter?
* If you're converting to copper, the converter may or may not support
auto-MDI/MDI-X. Use appropriate cabling
* Power on order.  Some converters like to be powered on before being
patched.  Others don't care.
* Many Transition converters support transparent link pass through.
If you don't need this, try toggling it off.

I realize this isn't the media converter NSP list.  Apologies if this
is off-topic.

-Jason

On Thu, Apr 9, 2009 at 8:15 AM, Andy Vance <avance at hq.speakeasy.net> wrote:
> I've seen this in the past with media converters and was able to work around it using
>
> gigether-options {
>            no-auto-negotiation;
>
> Hope that helps,
> Andy
>
> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Ozgur Guler
> Sent: Thursday, April 09, 2009 7:58 AM
> To: juniper-nsp at puck.nether.net
> Subject: [j-nsp] DPC-R-40GE-SFP and Transition Media Converter
>
>
>
> Hi All,
>
> I am having a problem to get the line protocol up between Juniper DPC-R-40GE-SFP and my media converter (Transition multimode SFP). Has anyone seen this previously? Is there a way to solve this ?
>
> Thanks
> Ozgur
>
>
>
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