Configuring IPX Filters

Filtering is the method by which the network manager controls usage of a mixed network by connection-oriented and connectionless traffic. (Connectionless traffic does not require establishment of a logical connection prior to data exchange.) A filter permits or denies (depending on how it is configured) some or all of a specific type of IPX traffic across an interface. For example, a filter can be configured to deny trans- mission of all outbound IPX SAP entries.

The process of configuring and using IPX filters is as follows. Both procedures are described later in this chapter.

1.Create an IPX Filter Definition record.

2.Create an IPX Filter Applications record, which will:

◆Identify the node that contains the interface to be affected.

◆Identify the interface to be affected (by specifying an ID that matches one in the IPX Interface file, described later in this chapter).

◆Specify the filter category: RIP, SAP, packet, or RIP router.

◆Specify a direction: inbound or outbound.

◆Specify whether the filter(s) to be applied will permit or deny passage of the type of data defined by the filter(s).

◆Identify up to 100 filters to be applied to the interface.

3.Perform an on-line update of the definitions and applications (described under "Configuring IPX Filter Applications" on page 15-8).

Configuring IPX Filter Definitions

To review existing filter definitions, press [A] at the Filter Definitions and Applica- tions Configuration Menu (or [A], [A], [E], [F], [A] from the Main Menu).

To configure a filter definition, press [B] at the Filter Definitions and Applications Configuration Menu. When prompted, enter:

●Filter category : 0 = RIP, 1 = SAP, 2 = Packet, 3 = RIP Router. (The default is 0.)

●Filter ID: 1–65535 . (The default is 1.) This is simply a unique identifier.

●Any other requested information, noting the values in Table 15-2through Table 15-5. (Press [Enter] at a prompt to accept a default value.) The display will depend on the filter category. The following figure shows an example of a SAP filter record.

Configuring IPX

15-3

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1800 specifications

Cabletron Systems, a leading player in network management and telecommunications solutions during the late 20th century, introduced several innovative products that played a crucial role in shaping enterprise networking. Among these were the Cabletron FRX6000, FRX4000, and the FRX1800, which delivered advanced features aimed at enhancing network performance, security, and scalability.

The Cabletron FRX6000 was designed as a robust multi-layer switch, ideal for large-scale enterprise environments. It supported extensive routing capabilities, allowing organizations to manage traffic efficiently even under heavy loads. The FRX6000 boasted high throughput rates and low latency, making it suitable for demanding applications. With support for various network protocols, including IP, IPX, and AppleTalk, its adaptability made it a versatile choice for diverse networking needs. Moreover, security features like VLAN support and Access Control Lists (ACLs) provided enhanced protection against potential threats.

Moving to the FRX4000, this model offered a balance between performance and cost-effectiveness. The FRX4000 maintained many of the essential features of its larger counterpart while catering to medium-sized enterprises. It provided Layer 3 routing and could handle multiple simultaneous connections, ensuring seamless communication across departments. The modular design allowed for easy upgrades, enabling businesses to expand their network infrastructure without significant overhauls. This made the FRX4000 an attractive option for organizations looking to optimize their network investments.

Lastly, the FRX1800, designed for small to medium businesses, focused on simplicity and ease of use while still incorporating powerful network management capabilities. Its user-friendly interface made it accessible for organizations lacking extensive IT resources. The FRX1800 provided essential functionalities such as Integrated Layer 2 switching and routing, network monitoring, and basic security features, ensuring that even smaller companies could maintain efficient, reliable networking without overwhelming complexity.

All three models utilized advanced technologies, including a high bandwidth backbone and state-of-the-art switching architecture, to enable fast and reliable data transfer. They also supported Quality of Service (QoS) mechanisms, allowing businesses to prioritize critical applications and ensure consistent performance across the network.

In summary, the Cabletron FRX6000, FRX4000, and FRX1800 were pivotal in enhancing network capabilities, providing organizations with scalable, secure, and high-performance options tailored to their specific needs.
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