Re: Brocade unsupported transceiver?

[Youssef Bengelloun-Zahr <bengelly () gmail com>]

Hello Eric,

I got confused, you are absolutely right. Here is a thread I started a few
years ago when we bought our first units :

https://community.brocade.com/t5/Ethernet-Fabric-VDX-CNA/Passive-Twinax-cables-not-recognized-in-VDX-switches/td-p/28978

Best regards.



2018-03-21 23:58 GMT+01:00 Eric Litvin <eric () lumaoptics net>:

> You need to program the passive dac to look like an active dac. Brocade
> wants active.
>
> Ping me if you want help.
>
> Eric
>
> Sent from my iPhone
>
> > On Mar 21, 2018, at 3:36 PM, Mike Hammett <nanog () ics-il net> wrote:
> >
> > No one knows of such a command and apparently the VDX line is finicky
> with what passive DACs they'll work with. I just ordered more of the ones I
> know that work.
> > Tangent: Is it normal for these guys to still transmit light even when
> the interface is shut?
> > -----
> > Mike Hammett
> > Intelligent Computing Solutions
> > http://www.ics-il.com
> >
> > Midwest-IX
> > http://www.midwest-ix.com
> >
> > ----- Original Message -----
> >
> > From: "Mike Hammett" <nanog () ics-il net>
> > To: "NANOG list" <nanog () nanog org>
> > Sent: Wednesday, March 21, 2018 3:18:28 PM
> > Subject: Brocade unsupported transceiver?
> >
> > Anyone know if there is a command in Brocade NOS (4.x) to force the use
> of an unsupported transceiver? If so, what is it?
> > -----
> > Mike Hammett
> > Intelligent Computing Solutions
> > http://www.ics-il.com
> >
> > Midwest-IX
> > http://www.midwest-ix.com