Netgear RT311 RT314 Reference Manual - Page 83
Generic Filter Rule, displayed on Menu 21.1 - Filter Rules Summary.
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Reference Guide for the Model RT311 and RT314 Internet Access Gateway Routers Generic Filter Rule This section provides information about configuring the protocol-independent parameters for a generic filter rule for your router. Table 7-5 lists the fields in the menu. When you complete Menu 21.1.1 - Generic Filter Rule, press [Enter] at the Press ENTER to Confirm... prompt to confirm your selections. Press [Esc] at any time to cancel your selections. The data entered is displayed on Menu 21.1 - Filter Rules Summary. Table 7-5. Field Active Offset Length Mask Value More Generic Filter Rule Fields Description Make the filter rule active (Yes) or inactive (No). Offset refers to the value of the byte that you want to use as your starting offset. That is, in the data packet, at what point do you want to begin the comparison. The range for this field is from 0 to 255. Default = 0. The length, in bytes, of the data in the packet that the router should use for comparison and masking. The starting point of this data is determined by Offset. The range for this field is 0 to 8. Default = 0. Specify (in hexadecimal format) the value that the router should logically qualify and the data in the packet. Because length is given in bytes, enter a hexadecimal number that is twice the specified length for numbers in this field. For example, if length is 4, a valid Mask must have 8 hexadecimal numbers (1155ABF8). Specify (in hexadecimal format ) the value that the router should use to compare with the masked packet. The value should align with Offset. Because length is given in bytes, you need to enter twice the length in hexadecimal numbers for this field. For example, if length is 4, a valid value must have 8 hexadecimal numbers (1155ABF8). If the result from the masked packet matches Value, the packet is considered matched. Determine whether to pass the packet through the next filter rule before an action is taken. There are two options: • Yes • No (Default) If Yes is selected, Action Matched and Action Not Matched will be N/A. Configuring Filters 7-9