mars router # tftp 192.168.11.1
tftp> binary
tftp> rexmt 1
tftp> timeout 60
tftp> trace
Packet tracing on.
tftp> put openwrt-brcm-2.4-squashfs.trx
sent WRQ <file=openwrt-brcm-2.4-squashfs.trx, mode=octet>
received ACK <block=0>