Nortel Switched Firewall 2.3.3 User’s Guide and Command Reference
Upgrading and reinstalling the software
231
213455-L, October 2005
Types of upgrade
There are three major classes of software upgrades that may be required for maintaining the
Nortel Switched Firewall: ones that affect the Nortel Switched Firewall SSI; ones that target
only the Nortel Switched Firewall’s built-in Check Point firewall software; and ones that are
installed on Check Point management stations.
Nortel Switched Firewall SSI upgrades
The following upgrades affect the Nortel Switched Firewall SSI.
Major Releases
This type of upgrade may contain important software corrections and feature
enhancements for the Nortel Switched Firewall. It may affect any or all SSI components,
the Firewall OS, or built-in Check Point firewall software.
The Nortel Switched Firewall will automatically reboot after a major upgrade, in order to
initialize new features. All configuration data is retained.
Minor Releases
This type of upgrade typically corrects minor software problems on the Nortel Switched
Firewall. Minor upgrades may temporarily stop the firewall. Configuration data is
retained.
Built-in Firewall software upgrades
The following upgrades affect the Nortel Switched Firewall’s built-in Check Point Firewall
software:
Check Point Feature Pack
This type of upgrade may contain important firewall software corrections and feature
enhancements. This may be necessary to ensure compatibility with the Check Point
software installed on the supporting management stations.
The Nortel Switched Firewall may automatically reboot after installation of a feature
pack. All configuration data is retained.
Check Point Hotfix
This type of upgrade typically corrects minor software problems in the Check Point
firewall software that is built into the Nortel Switched Firewall. Hotfixes can usually be
installed without rebooting the firewall, retaining normal operational traffic flow. All
configuration data is retained.