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Applying a filter, Ethernet traffic – ZyXEL Communications Prestige 1600 User Manual

Page 92

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Prestige 1600 Universal Access Concentrator

10-10

Filter Configuration

Figure 10-8 Menu 21.1.2 - Device Filter Rule

The following table describes the fields in the Device Filter Rule Menu.

Table 10-5 Device Filter Rule Menu Fields

Field

Description

Option

Filter #

This is the filter set, filter rule co-ordinates, i.e., 2,3
refers to the second filter set and the third filter rule of
that set.

Filter Type

Press [SPACE BAR] to toggle between types of rules.
Parameters displayed below each type will be different.

Device Filter

Rule /

TCP/IP Filter

Rule

Active

Select Yes to turn on the filter rule.

Yes/No

Offset

Enter the starting byte of the data portion in the packet
that you wish to compare. The range for this field is
from 0 to 255.

Default = 0

Length

Enter the byte count of the data portion in the packet
that you wish to compare. The range for this field is 0
to 8.

Default = 0

Mask

Enter the mask (in Hexadecimal) to apply to the data
portion before comparison.

Value

Enter the value (in Hexadecimal) to compare with the
data portion.

More

If Yes, a matching packet is passed to the next filter
rule before an action is taken; else the packet is
disposed of according to the action fields.

If More is Yes, then Action Matched and Action Not
Matched
will be N/A.

Yes / N/A

Log

Select the logging option from the following:

None - No packets will be logged.

Action Matched - Only packets that match the rule
parameters will be logged.

Action Not Matched - Only packets that do not match
the rule parameters will be logged.

None

Action

Matched

Action Not

Matched

Menu 21.1.1 - Device Filter Rule

Filter #: 1,1
Filter Type= Device Filter Rule
Active= No
Offset= 0
Length= 0
Mask= N/A
Value= N/A
More= No Log= None
Action Matched= Check Next Rule
Action Not Matched= Check Next Rule

Press ENTER to Confirm or ESC to Cancel: