Figure 5-4 Menu 21.1.2 - Generic Filter Rule; Table 5-3 Generic Filter Rule Menu Fields - ZyXEL Communications Prestige 642 User Manual

Prestige 642 ADSL Modem
ANDing) to the data portion before comparing the result against the Value to determine a match. The Mask
and Value are specified in hexadecimal numbers. Note that it takes two hexadecimal digits to represent a
byte, so if the length is 4, the value in either field will take 8 digits, e.g., FFFFFFFF.
To configure a generic rule, select Generic Filter Rule in the Filter Type field and press Enter to open Menu
21.1.2 - Device Filter Rule, as shown next.
The following table describes the fields in the Generic Filter Rule Menu.
Field Description
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.
Active Select Yes to turn on the filter rule.
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.
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.
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.
Log Select the logging option from the following:
5-6
Menu 21.1.2 - Generic Filter Rule
Filter #: 1,1
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:

Figure 5-4 Menu 21.1.2 - Generic Filter Rule

Table 5-3 Generic Filter Rule Menu Fields

Option
Yes/No
Default = 0
Default = 0
Yes / N/A
SNMP Configuration