Switch 7700 V2.00 Release Notes
UPGRADING APPLICATIONS
Note: To access the BOOT Menu, press Ctrl+B during the 5 seconds that “Press Ctrl-B to enter
Boot Menu...” displays. Within 5 seconds, the system begins program decompression. At this time if
you want to access the BOOT Menu, you must reboot the switch.
Enter the BootROM password. After entering the correct password (no password is set for the switch
by default), the system will access the BOOT Menu:
Caution: While using the switch, keep in mind the modified BOOTROM password.
Boot Menu
1: Download application file to flash
2: Select application file to boot
3: Display all files in flash
4: Delete file from flash
5: Modify bootrom password
0: Reboot
Enter your choice(0-5):
2. Select option 1.
3. The following menu appears. Select option 1.
1. Set TFTP protocol parameter
2. Set FTP protocol parameter
3. Set XMODEM protocol parameter
0. Return to boot menu
Enter your choice(0-3): 1
Load File name :sw7700002.app
Switch IP address :10.10.110.1
Server IP address :10.10.110.50
Are you sure to download file to flash? Yes or No(Y/N) y
4. After the download is complete, select option 0 to return to the boot menu.
5. From the boot menu, select option 2 then select the newly downloaded file.
3.3. Upgrading Software Using Xmodem
The Xmodem protocol transmits files through serial ports and supports both 128-byte and 1K-byte
packets. Xmodem also supports two types of check; normal checksum and CRC. When there is a
packet error, retransmission is supported, normally 10 times).
The Xmodem protocol completes transmission by receiving and sending programs. The receiving
program first sends the negotiating characters to negotiate the check means. After passing the
negotiation, the sending program begins to send the packet. The receiving program checks the packet
according to the negotiated means after receiving a complete packet. The acknowledgement
characters are sent after passing the check and then the sending program continues to send the next
packet. If the check fails, negative characters are sent and the sending program sends the packet
again.
1. Enter 1 in the BOOT Menu and press Enter. The system accesses the download
application file menu:
1. Set TFTP protocol parameter
2. Set FTP protocol parameter
3. Set XMODEM protocol parameter
0. Return to boot menu
Enter your choice (0-3):3
2. Enter 3 in the download program menu.
3. Select the Xmodem protocol to implement the software upgrade.
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