TFTP procedure overview for ATI hubs and switches

     TFTP is Trivial File Transfer Protocol. It is a TCP/IP protocol that 
     requires a TCP/IP stack, I.E, Wollongong TCP/IP stack, be installed in 
     a PC or Apple MAC type computer. In addition to the TCP/IP stack, the 
     TFTP utility must also be present. UNIX computers typically include 
     TCP/IP and complete sets of TCP/IP utilities including TFTP.
     
     TFTP allows us to place a different version of hub software 
     into a hub through the network. An IP address must be set in the 
     destination hub and the hub must be responding to PING, the ICMP echo 
     request utility in TCP/IP.
     
     TFTP utilities vary from vendor to vendor as does the TFTP syntax. The 
     following defines the parameters that must be passed to the TFTP 
     utility in order to download a binary image of hub software from 
     a PC to the hub. A typical command line syntax might look like this:
     
     C:/>TFTP put ats5_24.img 192.2.200.200 ATXXXX octet
     
     Where:
     
     "TFTP" invokes the utility
     
     "put"  means write or copy FROM this machine
     
     "ats5_24.img" is the local filename to be copied
     
     "192.2.200.200" is the destination hub's IP address
     
     "ATXXXX" is the destination hub's download password ("XXXX" depends 
     on the hub). TFTP sees this parameter as the destination filename 
     to be copied TO. The hub's download password can be changed in 
     the Omega Manager /Administration/Network parameters section.
     
     "octet" is a binary mode that must be set. TFTP typically defaults to 
     ASCII and must be told to do a binary transfer.
     
     TFTP is not very robust. It does not do the handshaking that an FTP 
     file transfer does. TFTP may have trouble traversing slower network 
     connections, highly loaded networks, or may be blocked by routers 
     along a desired route. TFTP works best in moderately loaded, healthy 
     networks. FTP is much more robust but cannot be used for this feature 
     in the ATI family of hubs.