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Appendix C: Overview of IP Routing Address ranges - Page 127
Address ranges
The following addresses will never appear on the Internet and are thus free for
use in your private network.
– 10.0.0.0
– 172.16.0.0 through 172.32.0.0
– 192.168.0.0 through 192.168.255.0
If you pick one of these you should have no address problems with the internet.
Boot Protocol (BOOTP)
This protocol was invented when it was expensive to store software or
configurations in small units (and even more expensive to upgrade them) so
when the unit was switched on it would ask (broadcast) on the LAN for its
software. A machine with a disk would reply and send it. Typically a BOOTP
Server would send a file to the unit using Trivial File Transfer Protocol (TFTP).
The IPNC uses BOOTP to obtain new versions of its operational software (which
it stores in its flash memory). It also uses TFTP to send and receive configuration
files.
The manager program also acts as a BOOTP server. Using the File menu, and
selecting BootP, it is possible to configure the IP Address to be given to the IPNC
and the software filename to be sent (typically nadicii.bin). Normally this table is
configured automatically by other actions in the manager. The BootP server
recognizes the IPNC by its MAC address this is a hardware address built into the
unit at manufacture. It is in the form 00e007xxxxxx. The TFTP log in the manager
may give clues when you are having problems sending new software to a unit.
INDeX IPNC Cassette Administration Manual Appendix C: Overview of IP Routing - Page 127
38DHB0002UKDD – Issue 7 (22/11/02) Address ranges