This should be pretty simple... $vendor NIC with $vendor switch should just work for the most part. Why are you using fiber + SFPs for this? Get yourself some 10G DAC cables and it will just work.
On Wed, Nov 8, 2017 at 6:03 PM, John Edwards <[email protected]> wrote: > Always clean brand new patch cables. > > There is a specific exception for some cable systems designed to be > installed at heights while wearing rigging gloves, the kind of environment > where a cleaning attempt could make things worse. In that case, the > manufacturer warrants a consistent lab-tested dB loss from gunk on the ends > of new patch leads. > > John > > > > On 9 Nov 2017, at 9:24 am, Bob Purdon <[email protected]> wrote: > > > > > >> Grab an optical fibre scope while you're at it. It's amazing how dirty > >> your cable ends and recepticals can actually be. > > > > Absolutely - even brand new cables directly out of the manufacturer's > > plastic bags can be filthy. I did have some fibre scope photos of this > > somewhere... > > > >> with fibre, the major carrier datacentre operators less so - yes, they > >> did it too) as plugging SC cables into SCA recepticals or vice versa. > > > > This.. ..or connectors not properly mated. High attenuation. Push. > > Click. Problem solved. > > > >> Have you done optical loss testing? Some network gear can tell you > >> directly what your tx and rx power levels are. > > > > Be careful with this - while it can often be a good guide, I have seen > > many cases where the diagnostic data says the SFP is transmitting, but > > an optical power meter shows nada, zilch, zero, nuffin' (as in no light, > > /not/ 0dBm, lol). ..or the launch level is vastly below what the SFP is > > reporting it is. > > _______________________________________________ > > AusNOG mailing list > > [email protected] > > http://lists.ausnog.net/mailman/listinfo/ausnog > _______________________________________________ > AusNOG mailing list > [email protected] > http://lists.ausnog.net/mailman/listinfo/ausnog >
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