Chapter 11 Filter configuration 123
BCM50a Integrated Router Configuration — Advanced
Configuring a Filter Rule
To configure a filter rule, type its number in Menu 21.1.1 - Filter Rules
Summary and press [ENTER] to open menu 21.1.1.1 for the rule.
To speed up filtering, all rules in a filter set must be of the same class, for
example, protocol filters or generic filters. The class of a filter set is determined
by the first rule that you create. When applying the filter sets to a port, separate
menu fields are provided for protocol and device filter sets. If you include a
protocol filter set in a device filter field or vice versa, the BCM50a Integrated
Router warns you and prevents you from saving.
Configuring a TCP/IP Filter Rule
This section shows you how to configure a TCP/IP filter rule. Using TCP/IP rules,
you can base the rule on the fields in the IP and the upper layer protocol, for
example, UDP and TCP headers.
To configure TCP/IP rules, select TCP/IP Filter Rule from the Filter Type field
and press [ENTER] to open Menu 21.1.1.1 - TCP/IP Filter Rule, as shown in
Figure 57.
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