Cisco ASR903 – BiDi Optical Transceivers

When You have installed Bidi (BX-U/BX-D) SFP in Cisco ASR 903 product, You may encounter following warning:


GBIC_SECURITY_CRYPT-4-ID_MISMATCH: Identification check failed for GBIC in port 8


This warning means, that module is recognized as compatible Cisco SFP module, but such kind of SFO is not supported on this platform in current software version.

In order to manage making work, please use following commands:


service-unsupported transceiver


You might also, want these commands as well:


no errdisable detect cause gbic-invalid
errdisable recovery cause all
errdisable recovery interval 30