When trying to search for serial numbers on Brocade chassis models, the serial number search does not return any results. When reviewing the Interface information for the Brocade device, the chassis components are not built properly.
CA Spectrum reads the entAliasMappingTable (184.108.40.206.220.127.116.11.3.2) from the ENTITY-MIB for entity table data (chassis information).
Brocade devices do not populate entAliasMappingTable. Since Brocade devices do not support this attribute, the chassis modeling does not happen.
This is tentatively scheduled to be fixed in upcoming CA Spectrum release 10.3: