Bridging

¥The Sonet/SDH ConÞgurationÉ window enables you to determine whether any installed FE-100Sx Fast Ethernet Port Interface Modules or APIM-2x ATM Port Interface Modules, both of which provide direct access to SONET (Synchronous Optical Network) networks, will operate according to SONET or SDH (Synchronous Digital Hierarchy) standards (see SONET/SDH ConÞguration, page 4-74).

¥The Sonet StatisticsÉ option opens a window that will let you view some of the statistical information related to any installed FE100-Sx Fast Ethernet Port Interface Modules or APIM-2x ATM Port Interface Modules (see SONET/SDH Statistics Window, page 4-76).

¥The Physical ViewÉ option allows you to view the physical state of the Ethernet bridge port through the ETW EtherPhysStatus window and the Token Ring bridge port through the Token Ring Phys Status window when you are monitoring an ETWMIM via SPECTRUM Element Manager (see Using the Physical View Windows, page 4-85).

¥The CSMACD StatsÉ option opens a window that enables you to view color-coded statistical information for some Ethernet bridging interfaces, including receive errors, transmission errors, and collision errors (see The CSMACD Statistics Window, page 4-23).

¥Enable and Disable options allow you to administratively enable or disable bridging at the selected interface (see Enabling and Disabling Bridging, page 4-14).

Enabling and Disabling Bridging

When you disable a bridge port, you disconnect that portÕs network from the bridge entirely. The port does not forward any packets, nor does it participate in Spanning Tree operations. Nodes connected to the network can still communicate with each other, but they canÕt communicate with the bridge and other networks connected to the bridge. When you enable a port, the port moves from the Disabled state through the Learning and Listening states to the Forwarding or Blocking state (as determined by Spanning Tree).

Enabling and Disabling Individual Interfaces

There are two ways to disable an individual port interface:

from the Bridge Status window:

1.Click on the desired Port button () to display the port menu.

2.Drag down to Enable to restart bridging on the selected interface, or Disable to halt bridging across the selected interface.

4-14

Enabling and Disabling Bridging

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Cabletron Systems CSX400, CSX200 manual Enabling and Disabling Bridging, Enabling and Disabling Individual Interfaces
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CSX200, CSX400 specifications

Cabletron Systems was a leading developer of networking solutions, and its CSX400 and CSX200 series of high-performance switches represent some of the key innovations in the field of enterprise networking during their time. Both models were geared towards enhancing network reliability, efficiency, and speed, particularly in environments where heavy data traffic and complex networking demands were prevalent.

The CSX400, designed for larger enterprises, boasts a robust architecture capable of handling significant throughput. One of its standout features is its stackable design, allowing multiple switches to be interconnected and managed seamlessly as a single unit. This scalability provides organizations with the flexibility to expand their networks without significant infrastructure overhauls. The CSX400 supports various Ethernet standards, including 10/100 Ethernet and Gigabit Ethernet, positioning it to effectively manage both legacy and modern networking requirements.

In addition to its scalability, the CSX400 is distinguished by its advanced Layer 2 and Layer 3 routing capabilities. This dual-layer functionality enables efficient data handling and is instrumental in managing traffic between different network segments. Moreover, the switch incorporates features like VLAN (Virtual Local Area Network) support and Quality of Service (QoS) prioritization, allowing for enhanced performance of critical applications and streamlined bandwidth allocation.

On the other hand, the CSX200 series is tailored for smaller enterprises or branch offices needing a reliable yet efficient networking solution. Despite its compact design, the CSX200 is equipped with essential features that promote effective network management and security. It offers a simplified management interface, making it user-friendly for network administrators. The switch also provides essential access control measures, employing technologies like IEEE 802.1X for network access security.

Both the CSX400 and CSX200 prioritize performance through the incorporation of advanced switching technologies. They support features such as Spanning Tree Protocol (STP), enabling loop-free topologies and enhanced network resilience. These attributes are particularly crucial in dynamic networking environments where downtime can have significant repercussions on business operations.

Overall, Cabletron Systems' CSX400 and CSX200 series represent a blend of scalability, advanced routing capabilities, and user-friendly management, making them vital assets for organizations looking to optimize their network infrastructure during a period of rapid technological evolution. With their rich feature sets and unwavering performance, these switches helped pave the way for modern networking solutions that cater to diverse enterprise needs.
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