The tftp client-source command sets the interface and IPv4 addresses of the TFTP client to establish the connection with TFTP server.
The undo tftp client-source command cancels the interface and IP address of the TFTP client.
The tftp ipv6 client-source command sets the IPv6 addresses and VPN of the TFTP client to establish the connection with TFTP server.
The undo tftp ipv6 client-source command cancels the IPv6 address and VPN of the TFTP client.
By default, the source IPv4 address is set to 0.0.0.0, the source IPv6 address is set to 0::0.