3com 8807 Guia Do Utilizador

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Device Management Configuration
795
The 3Com Switch 8800 Family series switches (hereinafter referred to as Switch 
8800 Family series) support master/slave fabric switchover. The two modules both 
have a program system. The program user can operate the programs on both 
modules. When you specify the bootstrap APP program for use by the slave 
module at the next startup, make sure that the URL of the program starts with 
"slot[No.]#[flash: | cf:]/", where [No.] is the slave module number, and [flash: | cf:] 
is the name of the equipment, which can be a flash card of CR card. For example, 
if the slave module is on slot 1, the URL of 8500.app program on the slave module 
is "slot1#flash:/8500.app".
Upgrading BootROM
You can use followed command to upgrade the BootROM with the BootROM 
program in the Flash Memory. This configuration task facilitates the remote 
upgrade. You can upload the BootROM program file from a remote end to the 
switch by FTP and then use this command to upgrade the BootROM.
Perform the following configuration in user view.
Setting Slot Temperature 
Limit
The switch system alarms when the temperature on a slot exceeds the preset limit.
Perform the following configuration in user view.
Updating Service 
Processing Modules
The size of the flash for a main control module in a Switch 8800 Family series 
routing switch is 16MB, while the size of current host software including the host 
application of the application module reaches over 15MB. If a compact flash (CF) 
card is not configured, the current flash cannot provide enough room to save 
loading files. Therefore for the Switch 8800 Family series routing switch with the 
main control module of a 16MB flash, the application module cannot be updated 
according to the original procedure. To update it, you need to execute the 
following command to download host software containing the application file of 
of the application module host application to the system’s synchronous dynamic 
random access memory (SDRAM).
If you configure a CF card or the flash room of a subsequent main control module 
expands to 64MB, you need not to change the method to update modules. Then 
when loading files you only need to choose the APP files containing the 
application file of service processing module to update common interface modules 
and service processing modules.
Perform the following configuration in system view.
Table 748   Upgrade BootROM
Operation 
Command 
Upgrade BootROM 
boot bootrom file-url slot slot-num-list
Table 749   Set slot temperature limit
Operation 
Command 
Set slot temperature limit 
temperature-limit slot-no down-value 
up-value 
Restore temperature limit to default value 
undo temperature-limit slot-no