Dell Brocade G620 Brocade 8.0.1 Fabric OS Troubleshooting and Diagnostics Guid - Page 4

Port initialization and FCP auto-discovery process...35 Link issues...36 Connection problems...37 Checking the physical connection...37 Checking the logical connection...37 Checking the Name Server ...38 Link failures...39 Determining a successful speed negotiation...39 Checking for a loop initialization failure ...40 Checking for a point-to-point initialization failure...40 Correcting a port that has come up in the wrong mode ...41 Marginal links...41 Troubleshooting a marginal link...42 Device login issues on Fabric switch...43 Pinpointing problems with device logins...44 Device login issues on Access Gateway...45 Media-related issues...46 Testing the external transmit and receive path of a port...46 Testing the internal components of a switch...46 Testing components to and from the HBA...47 Segmented fabrics...47 Reconciling fabric parameters individually...48 Downloading a correct configuration...48 Reconciling a domain ID conflict...48 Reconciling incompatible software features...50 Configuration...51 Configuration upload and download issues...51 Gathering additional information...53 Brocade configuration form...54 Firmware Download Errors...55 Blade troubleshooting tips...55 Firmware download issues...56 Troubleshooting with the firmwareDownload command...58 Gathering additional information...59 USB error handling...59 Considerations for downgrading firmware...59 Preinstallation messages...60 Blade types...61 Firmware versions...61 Platform...62 Routing...62 Security ...63 Passwords...63 Password recovery options...63 Device authentication ...64 Protocol and certificate management ...64 Gathering additional information...65 SNMP ...65 Gathering additional information...66 Brocade Fabric OS Troubleshooting and Diagnostics Guide 4 53-1004126-01