QTECH QSW-2800 Инструкция по настройке - Manual (Page 42)

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not be able to communicate with NMS properly.
If Trap function is required, rememb er to enable Trap (use “snmp-server enable traps”
command). And remember to properly configure the target host IP address and community
string for Trap (use “snmp-server host” command) to ensure Trap message can be sent to the
specified host.
If RMON func
tion is required, RMON must be enabled first (use “rmon enable” command).
Use “show snmp” command to verify sent and received SNMP messages; Use “show snmp
status” command to verify SNMP configuration information; Use “debug snmp packet” to
enable SNMP debugging function and verify debug information.
If users still can’t solve the SNMP problems, Please contact our technical and service center.
2.5 Switch Upgrade
Switch provides two ways for switch upgrade: BootROM upgrade and the TFTP/FTP upgrade
under Shell.
2.5.1 Switch System Files
The system files includes system image file and boot file. The updating of the switch is to
update the two files by overwrite the old files with the new ones.
The system image files refers to the compressed files of the switch hardware drivers, and
software support program, etc, namely what we usually call the IMG update file. The IMG file
can only be saved in the FLASH with a defined name of nos.img
The boot file is for initiating the switch, namely what we usually call the ROM update file (It can
be compressed into IMG file if it is of large size). The boot file can only be saved in the ROM in
which the file name is defined as boot.rom
The update method of the system image file and the boot file is the same. The switch supplies
the user with two modes of updating: 1. BootROM mode; 2. TFTP and FTP update at Shell
mode. This two update method will be explained in details in following two sections.
2.5.2 BootROM Upgrade
There are two methods for BootROM upgrade: TFTP and FTP, which can be selected at
BootROM command settings.