[c-nsp] Unsupported SFP on Cisco 2960

[pamela pomary]

Thank you all folks for your quick responses. Am grateful :). I can breathe
a sigh of relief now.

On Wed, Jul 25, 2012 at 6:17 PM, Jared Mauch <jared at puck.nether.net> wrote:

> You will only save money. SFP is a standard media just like USB ports.
>
> Jared Mauch
>
> On Jul 25, 2012, at 2:02 PM, pamela pomary <ppomary at gmail.com> wrote:
>
> > Hello Folks,
> >
> > I have a peculiar problem. I have followed postings in the forum and I
> > believe your experience with Cisco networks will help answer my question.
> >
> > I have a Cisco 2960 with Gigabit SFP module. I connected a third party
> > addon SFP GBIC to 2960 switch and I get the following error that disables
> > the interface.
> >
> > *Mar 16 21:05:15.720: %GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in
> > port Gi0/2 has bad crc
> > *Mar 16 21:05:15.720: %PM-4-ERR_DISABLE: gbic-invalid error detected on
> > Gi0/2, putting Gi0/2 in err-disable state
> >
> > After checking online I found these two command lines that corrects the
> > error
> > on the Cisco 2960 switch and brings the interface up.
> >
> > 1) no errdisable detect cause gbic-invalid
> > 2) service unsupported-transceiver
> >
> > Cisco 2960 switch however reported a warning on entering the second
> command:
> >
> > "Warning: When Cisco determines that a fault or defect can be traced to
> > the use of third-party transceivers installed by a customer or reseller,
> > then, at Cisco's discretion, Cisco may withhold support under warranty or
> > a Cisco support program. In the course of providing support for a Cisco
> > networking product Cisco may require that the end user install Cisco
> > transceivers if Cisco determines that removing third-party parts will
> > assist Cisco in diagnosing the cause of a support issue."
> >
> > I understand Cisco's warranty terms mentioned in the above Warning.
> >
> > My worry is, is it safe to do this. Is it likely I will have problems in
> > future
> > with the switch. Am I likely to experience abnormal data transfer on the
> > network in future?
> >
> >
> > Thank You
> >
> > Pamela Pomary
> > ICT Dept.
> > University of Ghana
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