Dell Brocade 300 Web Tools Administrator's Guide v7.1.0 - Page 258
General Web Tools limitations, Continued
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18 General Web Tools limitations TABLE 21 Area Web Tools limitations (Continued) Details Firmware download Firmware downgrade There are multiple phases to firmware download and activation. When Web Tools reports that firmware download completed successfully, this indicates that a basic sanity check, package retrieval, package unloading, and verification was successful. Web Tools forces a full package install. A restart is required to activate the newly downloaded firmware. This restart is done automatically; however, although Web Tools screens continue to display during the restart, they are not available. Wait approximately 10 minutes to ensure that all of the application windows are restored. If Web Tools fails to respond after 20 minutes, you might need to close all Web Tools applications windows and restart them, or to contact your system administrator for network assistance. The Web Tools loss of network connectivity during a failover or restart (initiated through the firmwareDownload) varies for different configurations: Brocade DCX and DCX-4S enterprise-class platforms: loss of network connectivity is up to 5 minutes if the power-on self-test (POST) is disabled. If POST is enabled, the loss of network connectivity can exceed 5 minutes. Brocade 300, 5100, 5300, 6510, 6520, 7800, 8000, VA-40FC, and the Encryption Switch: Loss of network connectivity is up to 1 minute if POST is disabled. If POST is enabled, the loss of network connectivity can exceed 1 minute. If you try to run Web Tools on a switch after downgrading the firmware, Web Tools may not open. This is due to the presence of old application cache files in Java. The workaround is to delete the application cache files using the Java Control Panel. HTTP timeout Inband management support Java cache Java Plug-in After upgrading or downgrading the firmware, delete the application cache files. Occasionally, you might see the following message when you try to get data from a switch or to send a request to the switch: Failed to get switch response. Please verify the status of your last operation and try again if necessary. This indicates that an HTTP request did not get a response. The request was sent to the switch, but the connection was down, probably caused by a temporary loss of the Web server on the switch. Due to the nature of an HTTP connection, Web Tools reports this error after a 90-second default timeout. In this case, verify the status of your last request, using Telnet to check related status, or click the Refresh button from the Web Tools application you were working on to retrieve related data. If your request did not get through to the switch, resubmit it. Executing a refresh from Web Tools retrieves a copy of switch data at that moment; the data you entered can be lost if it had not already committed to the switch. Fabric OS v7.1.0 supports Web Tools, SNMP polling, and SNMP traps only in IPv4 on the Brocade 7800 and FX8-24. If the Web Tools progress bar stops at 93 percent when initializing switch details, you must clear the Java cache, as described in "Deleting temporary internet files used by Java applications" on page 6. If you have a Web Tools session open and you open a second session using the File > New browser menu, this results in unexpected behavior of the original Web Tools session. Web Tools supports only one browser instance per JRE, and when you open another window using the File > New menu, the two windows share the same JRE environment. Workaround: Open two independent browser sessions. 230 Web Tools Administrator's Guide 53-1002756-01