network router  Router  192.168.1.1 MAC-ADDRESS
network router  Router  224.0.0.1   MAC-ADDRESS
unidentified device hidden  224.0.0.251 MAC-ADDRESS

tftp> connect 192.168.1.1
tftp> binary
tftp> rexmt 1
tftp> timeout 60
tftp> put wa901nv2_en_3_12_16_up(120224).bin
Transfer timed out.