2-3
To do… Use the command… Remarks
Specify an interface as the
source interface a TFTP client
uses every time it connects to a
TFTP server
tftp source-interface
interface-type interface-number
Specify an IP address as the
source IP address a TFTP
client uses every time it
connects to a TFTP server
tftp source-ip ip-address
Use either command
Not specified by default.
Display the source IP address
used by a TFTP client every
time it connects to a TFTP
server
display tftp source-ip
Optional
Available in any view
z The specified interface must be an existing one; otherwise a prompt appears to show that the
configuration fails.
z The value of the ip-address argument must be an IP address on the device where the configuration
is performed, and otherwise a prompt appears to show that the configuration fails.
z The source interface/source IP address set for one connection is prior to the fixed source
interface/source IP address set for each connection. That is, for a connection between a TFTP
client and a TFTP server, if you specify the source interface/source IP address only used for the
connection this time, and the specified source interface/source IP address is different from the
fixed one, the former will be used for the connection this time.
z You may specify only one source interface or source IP address for the TFTP client at one time.
That is, only one of the commands tftp source-interface and tftp source-ip can be effective at
one time. If both commands are configured, the one configured later will overwrite the original one.
TFTP Configuration Example
Network requirements
A switch operates as a TFTP client and a PC as the TFTP server. The application named switch.bin is
stored on the PC. Download it (switch.bin) to the switch through TFTP, and use the boot boot-loader
command to specify switch.bin as the application for next startup. Reboot the switch to upload the
configuration file named config.cfg to the work directory on the PC to back up the configuration file.
z The TFTP working directory is configured on the TFTP server.
z Configure the IP addresses of a VLAN interface on the switch and the PC as 1.1.1.1 and 2.2.2.2
respectively. The port through which the switch connects with the PC belongs to the VLAN.
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