Recover From A Failed Image Upgrade Using Tftp - Lenovo Flex System Fabric CN4093 Application Manual

Recover from a Failed Image Upgrade using TFTP

1. Connect a PC to the console port of the switch.
2. Open a terminal emulator program that supports Telnet protocol (for example,
3. Boot the switch and access the Boot Management menu by pressing <Shift+B>
4. Enter Boot Recovery Mode by pressing R. The Recovery Mode menu will appear.
5. To start the recovery process using TFTP, press T. The following message will
6. Enter the IP address of the management port:
7. Enter the network mask of the management port:
8. Enter the gateway of the management port:
9. Enter the IP address of the TFTP server:
10.Enter the filename of the image:
11. If the file is a software image, enter an image number:
80
CN4093 Application Guide for ENOS 8.4
Use the following procedure to recover from a failed image upgrade using TFTP:
HyperTerminal, SecureCRT or PuTTY) and input the proper host name (IP
address) and port to connect to the console port of the switch.
while the Memory Test is in progress and the dots are being displayed.
appear:
Performing TFTP rescue. Please answer the following questions (enter 'q'
to quit):
IP addr :
Netmask :
Gateway :
Server addr:
Image Filename:
Install image as image 1 or 2 (hit return to just boot image):
After the procedure is complete, the Recovery Mode menu will be re‐displayed.