08-07-2003 09:51 AM - edited 03-02-2019 09:26 AM
Is anyone aware of any other companies that make GBIC modules. Are these recognized by Cisco? I know that Cisco GBIC's are around $500.00. All suggestions are appreciated.
08-08-2003 12:45 AM
There are lots of other companies making GBICs, but only Cisco GBICs are supported by Cisco.
For some of the more recent GBICs (1000base-T / CWDM), only Cisco GBICs will actually work, and the same holds true for SFPs.
-A
08-08-2003 11:59 PM
Dear,
GBICs is a public standard,All the company who can offer the GBIC must compatible with each other,Now i heard that the third party's GBICs are not supported by the series of Catalyst 3750,yes or no,waiting for your reply early,or email me at best@lightrend.com ,Thanks very much,my name is Best Wang.
08-10-2003 11:15 PM
"WDM, copper, and SFP GBIC's all include a GBIC EEPROM "code" that certifies the GBIC as coming from Cisco. New versions of IOS/CatOS check this code to verify the GBIC - if the code is not found, or is not valid, the software will disable the port in software and will not allow traffic to pass. Older GBIC's (5484/5486/5487) were manufactured before this feature was introduced, and do not contain this feature. Regardless, TAC will not troubleshoot a GBIC that was not purchased from Cisco, the same policy as Flash/DRAM memory."
See http://www.cisco.com/warp/public/765/tools/quickreference/gbic.pdf
-A
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