Configuring a Filter Rule | ZyXEL Communications 240B specification

		ExpWave 240B Secure Outdoor Ethernet Radio Link

		[N] means there are no more rules to check.
m	Refers to Action Matched.	[F] means to forward the packet.
		[D] means to drop the packet.
		[N] means check the next rule.
n	Refers to Action Not Matched	[F] means to forward the packet.
		[D] means to drop the packet.
		[N] means check the next rule.

The protocol dependent filter rules abbreviation are listed as follows:

•If the filter type is IP, the following abbreviations listed in the following table will be used.

Table 9-2 Abbreviations Used If Filter Type Is IP

Abbreviation	Description

Pr	Protocol

SA	Source Address

SP	Source Port number

DA	Destination Address

DP	Destination Port number

•If the filter type is GEN (generic), the following abbreviations listed in the following table will be used.

Table 9-3Abbreviations Used If Filter Type Is GEN

Abbreviation	Description

Off	Offset

Len	Length

Refer to the next section for information on configuring the filter rules.

9.3.1 Configuring a Filter Rule

To configure a filter rule, type its number in Menu 21.1 - Filter Rules Summary and press [ENTER] to open Menu

21.1.1for the rule.

To speed up filtering, all rules in a filter set must be of the same class, i.e., 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 ExpWave will warn you and will not allow you to save.

9.3.2 TCP/IP Filter Rule

This section shows you how to configure a TCP/IP filter rule. TCP/IP rules allow you to base the rule on the fields in the IP and the upper layer protocol, e.g., UDP and TCP, headers.

To configure a TCP/IP rules, select TCP/IP Filter Rule from the Filter Type field and press Enter to open Menu 21.1.1 - TCP/IP Filter Rule, as shown below.

Filter Setup

9-3

240B specifications

ZyXEL Communications has long been a prominent player in the networking equipment industry, and the ZyXEL 240B modem exemplifies the company's commitment to delivering reliable and efficient solutions for both home and business users. The ZyXEL 240B is a high-performance DSL modem designed to provide stable internet connectivity while supporting advanced telecommunications technologies.

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The modem comes equipped with a robust Wi-Fi module that supports dual-band connectivity, allowing devices to connect securely over both the 2.4 GHz and 5 GHz frequency bands. This dual-band feature enhances the overall network performance by reducing interference and improving data throughput for multiple devices operating simultaneously. Moreover, the ZyXEL 240B supports the latest Wi-Fi standards, including 802.11ac, ensuring compatibility with a vast range of Wi-Fi-enabled devices.

Security is a top priority for ZyXEL, and the 240B is equipped with advanced encryption protocols such as WPA3, ensuring that users' data remains protected from unauthorized access. The modem also features integrated firewall capabilities, providing an additional layer of security against potential cyber threats and intrusions.

The ZyXEL 240B is designed for easy setup and management. With a user-friendly web interface, users can quickly configure their network settings, monitor connected devices, and troubleshoot potential connectivity issues. Additionally, the modem supports TR-069, allowing service providers to remotely manage and maintain the device, significantly enhancing user experience.

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