Dell Brocade G620 Brocade 8.0.1 Fabric OS Software Upgrade Guide - Page 21

Preparing for a firmware download firmwareDownload command, you must first configure the SSH protocol to permit passwordless logins for outgoing authentication as described in the Configuring outgoing SSH authentication section in the Fabric OS Administrator's Guide. Connected switches Before you upgrade the firmware on your switch or Director, review the connected switches in your fabric to ensure compatibility with the new Fabric OS and that any older OS versions are supported. Refer to the "Fabric OS Compatibility" section of the Brocade Fabric OS Release Notes for the recommended firmware version. ATTENTION Starting simultaneous firmware downloads on adjacent fixed-port switches may result in traffic disruption. To determine if you need to upgrade switches that are connected to the switch you are upgrading, use the procedure described in Finding the switch firmware version on page 21 on each connected switch to display the firmware information and build dates. Finding the switch firmware version 1. Connect to the switch and log in using an account with admin permissions. 2. Enter the version command. The following information is displayed: ∙ Kernel: Displays the version of the switch kernel operating system. ∙ Fabric OS: Displays the version of the switch Fabric OS. ∙ Made on: Displays the build date of the firmware running on the switch. ∙ Flash: Displays the install date of firmware stored in nonvolatile memory. ∙ BootProm: Displays the version of the firmware stored in the boot PROM. Special characters in FTP server credentials FTP server credentials may include special characters (also referred to as meta-characters), that are members of a special character set that are interpreted differently when used in command line mode. These characters have an alternate meaning, or are designated to carry out a special instruction. Here is a list of some of the more commonly-used special characters and their alternate meanings. NOTE This list is not exhaustive and alternate meanings for some characters is contextual. For detailed information on using special characters in FTP credentials, refer to Linux scripting information available on the internet. ∙ & is used to put a command in background/batch mode. ∙ ! is used to recall the last invocation of the command matching the pattern that follows the character. ∙ | is used to direct (pipe) output to the command that follows the character. ∙ ; is used to concatenate multiple commands. ∙ * is used to represent a wildcard character. ∙ ? is used as a match for any single character in the specified position. ∙ () is used for integer expansion. Brocade Fabric OS Upgrade Guide 53-1004124-01 21