[j-nsp] 4x1G QSFP?

[Chris Adams]

Once upon a time, Simon Lockhart <simon at slimey.org> said:
> On Thu May 23, 2019 at 02:41:34PM -0500, Chris Adams wrote:
> > While looking at the Juniper port configurator for MX204 and MX10003, I
> > noticed a 4x1G selection for the QSFP+/QSFP28 ports.  I haven't seen a
> > 4x1G QSFP; is that an actual available thing?  For example, I usually
> > get modules from FiberStore, and I don't see such there (don't see such
> > a Juniper part either).
> 
> You can use a QSFP+ 4x10G optic, and configure the ports to run at 1G instead
> of 10G. You can even mix-and-match 10G and 1G

Ah, okay.  This may be a dumber question then: do SFP+ optics typically
support a 1G mode as well?  I've never actually tried that (just plugged
a 1G SFP into the SFP+ port as needed).

-- 
Chris Adams <cma at cmadams.net>