Wednesday, March 06, 2013

Allow unsupported (non-coded) SFP to be used by Cisco Catalyst Switches

The IOS on Cisco Catalyst switches does not allow non-Cisco SFP transceivers to be used; the affected switch interface will be taken down if a non-Cisco-coded SFP transceiver is inserted.

Run the following command (IOS) on the Catalyst to allow the use of such *unsupported* SFP transceivers:
> enable
# configure terminal
#(config) service unsupported-transceiver
#(config) no errdisable detect cause gbic-invalid

The information above is only to be used for testing & development purposes. The writer holds no responsibility for failure or loss on the part of the reader..

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