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C
ONFIGURING
THE
S
WITCH
3-24
Web – If the address assigned by DHCP is no longer functioning, you will
not be able to renew the IP settings via the web interface. You can only
restart DHCP service via the web interface if the current address is still
available.
CLI – Enter the following command to restart DHCP service.
Managing Firmware
You can upload/download firmware to or from a TFTP server. By saving
runtime code to a file on a TFTP server, that file can later be downloaded
to the switch to restore operation. You can also set the switch to use new
firmware without overwriting the previous version.
Command Attributes
• TFTP Server IP Address – The IP address of a TFTP server.
• File Name –
The file name should not contain slashes (\ or /),
the
leading letter of the file name should not be a period (.), and the
maximum length for file names on the TFTP server is 127 characters
or 31 characters for files on the switch. (Valid characters: A-Z, a-z, 0-9,
“.”, “-”, “_”)
Note: Up to two copies of the system software (i.e., the runtime
firmware) can be stored in the file directory on the switch. The
currently designated startup version of this file cannot be deleted.
Downloading System Software from a Server
When downloading runtime code, you can specify the destination file
name to replace the current image, or first download the file using a
different name from the current runtime code file, and then set the new
file as the startup file.
Web – Click System, Firmware. Enter the IP address of the TFTP server,
enter the file name of the software to download, select a file on the switch
Console#ip dhcp restart client3-156