Configuring A Filter Rule; Generic Filter Rule; Table 5-2 Abbreviations Used If Filter Type Is Gen - ZyXEL Communications Prestige 642 User Manual

Abbreviations Description
[N] means you can now specify an action
to be taken i.e., forward the packet, drop
the packet or check the next rule. For the
latter, the next rule is independent of the
rule just checked.
If More is Yes, then Action Matched and
Action Not Matched will be N/A
m Refers to Action Matched.
[F] means to forward the packet
immediately and skip checking the
remaining rules.
Refers to Action Not Matched.
n
[F] means to forward the packet
immediately and skip checking the
remaining rules.
The protocol dependent filter rules abbreviation are listed as follows:
If the filter type is GEN (generic, i.e., device), the following abbreviations listed in the following table
will be used.

Table 5-2 Abbreviations Used If Filter Type Is GEN

Abbreviation
Off
Len
Refer to the next section for information on configuring the filter rules.
5.3

Configuring a Filter Rule

To configure a filter rule, enter its number in Menu 21.1 - Filter Rules Summary and press Enter to open
Menu 21.1.1 for the rule.
There is one type of filter rule, Device for the P642 ADSL Modem.
5.3.1

Generic Filter Rule

This section shows you how to configure a generic filter rule.
For generic rules, the Prestige treats a packet as a byte stream. You specify the portion of the packet to
check with the Offset (from 0) and the Length fields, both in bytes. The Prestige applies the Mask (bit-wise
SNMP Configuration
Prestige 642 ADSL Modem
Display
[F] means to forward the packet.
[D] means to drop the packet.
[N] means check the next rule.
[F] means to forward the packet.
[D] means to drop the packet.
[N] means check the next rule.
Description
Offset
Length
5-5