System information

Configuring the Switch
3-14
Renewing DCHP – DHCP may lease addresses to clients indefinitely or for a
specific period of time. If the address expires or the switch is moved to another
network segment, you will lose management access to the switch. In this case, you
can reboot the switch or submit a client request to restart DHCP service via the CLI.
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.
Fan Status
The status of the switch fans can be displayed.
Web – Click System, Fan Status.
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. The drop down menu in the web interface allows
you to specify the method of file transfer.
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, “.”, “-”, “_”)
• Destination/Startup File Name – Allows specification of filenames already in
memory, or the creation of a new filename. (Valid characters: A-Z, a-z, 0-9, “.”,
“-”, “_”)
• Source File Name – Allows you to specify the name of the chosen source file.
Console#ip dhcp restart 4-85
Console#