User guide

7: Software Updates
DC 900-1333Q 189
backed up your own programs earlier). If you wanted to simply clobber all the perma-
nent storage on the entire Freeway and do a completely clean install, you could use the
following command instead of the one above:
. /etc/rc.buildfwy
If you do that, you will have to re-enter your boot parameters and re-install any proto-
cols that were on that Freeway before (We don't suggest doing it this way; the
“PRESERVE_PARTS=yes” command shown above seems to work best for most cus-
tomers).
If you don't have a serial terminal, you can instead connect an ordinary VGA monitor
and keyboard to the back of the case, and use that to enter the commands. You may also
be able to telnet to the Freeway; its IP address when booted from the CDROM will be
192.168.135.1 (but it will go back to what it was before, when the upgrade process is
complete and you remove the CDROM and reboot).
7.3 Installing Protocol Software Updates
Protocol software products are updated when features and functions are added or
changed for a specific protocol. Also, a new release is made after an identified problem
within the protocol is fixed. Protocol software updates may change some or all of the
following files:
• Protocol image (ppp_2432b.mem)
• Protocol load file (ppploadb)
• ICP OS (osp_2432b.mem)
• Protocol loopback program (pppalp.c)
Protocol software updates are generally the “safest” updates to install because they make
the least impact on the Freeway system. Also, if for some reason the update does not