Security

intruder will be to issue a trap after the first violation; all packets, regardless of source address, will be allowed to pass.

Forced non-secure status

With the enhanced version of LANVIEWSECURE, even ports on non- LANVIEWSECURE Hubs can be forced to an unsecurable status (as long as they are currently unlocked).

Learned addresses reset

You can still use the Reset Learned Addresses option in the repeater-, board-, or port-level Security window to clear all learned and secured addresses out of the selected port(s) address table, and allow that port to begin learning (and securing) new addresses. Note that you cannot reset learned addresses on a locked port or on a port which is designated unsecurable.

Eavesdrop protection (scrambling), trunk port locking, continuous lock mode, and the floating address cache are not available for non-LANVIEWSECUREhubs.

Configuring Security

Most Security parameters are set via the port-level Security window; these will apply to the configured port regardless of the level at which security is enabled.

To access the Port Security window:

1.In the Repeater Security window, click to select the interface for which you would like to configure port-level security.

2.Click mouse button 1 on ; the Channel A Port Security window, Figure 6-2, will appear.

6-6

Configuring Security

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Cabletron Systems SEHI-32/34, SEHI-22/24 manual Configuring Security
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SEHI-22/24, SEHI-32/34 specifications

Cabletron Systems was a notable player in the networking hardware market during the rise of local area networks (LANs) in the late 20th century. Among its innovative products were the SEHI-22/24 and SEHI-32/34 modules, which were designed to enhance network capabilities in enterprise environments.

The SEHI-22/24 and SEHI-32/34 were versatile high-performance Ethernet switch modules that offered significant advantages in network management and connectivity. These modules were designed to work with Cabletron's modular switching and routing architecture, allowing for scalable solutions tailored to specific network demands. A key feature of the SEHI series was its support for a range of Ethernet standards, ensuring compatibility with diverse networking environments.

One notable characteristic of the SEHI-22/24 was its ability to support both 10Base-T and 100Base-TX Ethernet technologies. This dual support enabled organizations to leverage existing 10 Mbps infrastructure while facilitating upgrades to 100 Mbps speeds without needing a complete overhaul of the network. Similarly, the SEHI-32/34 offered even greater connectivity options, accommodating more users and devices while maintaining high throughput and low latency.

In terms of management features, the SEHI series was equipped with extensive traffic management capabilities, including Quality of Service (QoS) features that prioritized bandwidth for critical applications. This ensured that essential services such as voice over IP (VoIP) and video conferencing could function optimally, even during heavy network loads.

Furthermore, both modules featured advanced diagnostics and monitoring tools that provided network administrators with critical insights into traffic patterns and potential bottlenecks. This functionality was essential for maintaining network health and optimizing performance, especially in dynamic business environments.

Security also played a crucial role in the design of the SEHI-22/24 and SEHI-32/34. The modules incorporated support for various authentication methods and access controls, ensuring that sensitive data remained protected within the corporate network.

In summary, Cabletron Systems’ SEHI-22/24 and SEHI-32/34 offered significant advancements in Ethernet switching technology, allowing organizations to build robust, scalable, and secure networks. With their impressive features, compatibility, and capacity for management and security, these modules were instrumental in shaping reliable networking solutions for enterprises navigating the rapidly evolving digital landscape.
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