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12 Fabric OS Administrator’s Guide
53-1002745-02
Chapter 9 Installing and Maintaining Firmware
Firmware download process overview. . . . . . . . . . . . . . . . . . . . . . .255
Upgrading and downgrading firmware . . . . . . . . . . . . . . . . . . .257
Considerations for FICON CUP environments . . . . . . . . . . . . .257
HA sync state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257
Preparing for a firmware download . . . . . . . . . . . . . . . . . . . . . . . . .258
Obtaining and decompressing firmware . . . . . . . . . . . . . . . . .259
Connected switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .259
Finding the switch firmware version. . . . . . . . . . . . . . . . . . . . .259
Firmware download on switches . . . . . . . . . . . . . . . . . . . . . . . . . . .260
Switch firmware download process overview. . . . . . . . . . . . . .260
Firmware download on a Backbone. . . . . . . . . . . . . . . . . . . . . . . . .262
Backbone firmware download process overview. . . . . . . . . . .262
Firmware download from a USB device. . . . . . . . . . . . . . . . . . . . . .265
Enabling the USB device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .265
Viewing the USB file system . . . . . . . . . . . . . . . . . . . . . . . . . . .265
Downloading from the USB device using the relative path. . .266
Downloading from the USB device using the absolute path. .266
FIPS support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .266
Public and private key management . . . . . . . . . . . . . . . . . . . .266
The firmwareDownload command . . . . . . . . . . . . . . . . . . . . . .267
Power-on firmware checksum test . . . . . . . . . . . . . . . . . . . . . .268
Testing and restoring firmware on switches . . . . . . . . . . . . . . . . . .268
Testing a different firmware version on a switch. . . . . . . . . . .268
Testing and restoring firmware on Backbones . . . . . . . . . . . . . . . .270
Testing different firmware versions on Backbones . . . . . . . . .270
Validating a firmware download . . . . . . . . . . . . . . . . . . . . . . . . . . . .273
Chapter 10 Managing Virtual Fabrics
Virtual Fabrics overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .275
Logical switch overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .276
Default logical switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .276
Logical switches and fabric IDs. . . . . . . . . . . . . . . . . . . . . . . . .277
Port assignment in logical switches . . . . . . . . . . . . . . . . . . . . .278
Logical switches and connected devices . . . . . . . . . . . . . . . . .279
Management model for logical switches. . . . . . . . . . . . . . . . . . . . .281
Logical fabric overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .281
Logical fabric and ISLs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .282
Base switch and extended ISLs . . . . . . . . . . . . . . . . . . . . . . . .283
Account management and Virtual Fabrics . . . . . . . . . . . . . . . . . . .286
Supported platforms for Virtual Fabrics . . . . . . . . . . . . . . . . . . . . .286
Supported port configurations in the fixed-port switches. . . .286
Supported port configurations in Brocade Backbones. . . . . .287
Virtual Fabrics interaction with other Fabric OS features . . . .288