HOW EXACTLY TO Solve This Issue & Successfully Use Cisco 3rd Party SFPs ON YOUR OWN Cisco Switch

 When the errors displayed, many users will be very nervous and even start to regret using the 3rd party SFPs. Will there be no expect a remedy when facing such a predicament? You need to be relax, the next content will provide you with some tips about it.

There are two undocumented commands which can be utilized to force the Cisco Catalyst switch to allow the GBIC port and utilize the third party SFP.

3750G-Stack(config)# service unsupported-transceiver

Warning: When Cisco determines a fault or defect could be traced to the utilization of third-party transceivers installed by a person or reseller, then, at Cisco’s discretion, Cisco may withhold support under guarantee or a Cisco support program. Throughout providing support for a Cisco networking product, Cisco may necessitate that the end user install Cisco transceivers if Cisco determines that removing third-party parts will help Cisco GLC-BX-D in diagnosing the reason for a support concern.

3750G-Stack(config)# no errdisable identify cause gbic-invalid

When entering the "service unsupported-transceiver" command, the switch (eg. 3750G) will automatically throw a warning message as the last desire to prevent the use of a third party SFP. The "no errdisable detect cause gbic-invalid" command can help assure the GBIC port isn't disabled when inserting an invalid GIBC. In addition, because the service unsupported- transceiver is undocumented, if you try looking for the command with the most common method "service ?", you won’t think it is.

Based on the test, Cisco 2960G, 3560G, 3750G, 4507R and 4507R-E Catalyst switches all accept both "service unsupported-transceiver" & "no errdisable identify cause gbic-invalid orders" commands with out a problem. In fact, if the Catalyst switch is running IOS 12.2(25)SE and above, the undocumented commands can be found. Thus, you could experience relieved to use compatible SFP module for Cisco 2960 switch or discover cisco 3560 SFP modules from 3rd party optics vendor.

Opinion on Cisco third party SFP Modules

Folks have different opinions on "Whether I will use Cisco third party SFP". It appears a hard question for them as the attractive price however the unknown performance of another SFPs. Actually, take Catalyst 3750 Series Switches, for instance, beginning with 12.2(25)SE release, an individual gets the option via CLI to carefully turn on the support for 3rd party SFPs. However, you should understand that the Cisco TAC won't support such third party SFPs. In case of any link error involving such 3rd party SFPs the client will need to replace third party SFPs with Cisco SFPs before any troubleshooting can be done by TAC.

Thus, it is extremely essential to use quality assurance SFP modules . Actually, there are several high-quality SFP modules OEM suppliers, such as for example OEMfibers.com. You'll not worry about the compatibility of the usage. Since there is an ideal system from the production to shipment. All of the products are tested before they shipped and ensure the 100% compatible and high quality. Furthermore, you can save even more as the purchase price can be very competitive.