Configuring Transparent Bridging

Transparent and SRT Bridging Configuration Task List

Assigning a Bridge Group Number and Defining the Spanning-Tree Protocol

Prior to configuring the router for integrated routing and bridging, you must enable bridging by setting up a bridge group number and specifying a Spanning-Tree Protocol. You can choose either the IEEE 802.1D Spanning-Tree Protocol or the earlier Digital protocol upon which this IEEE standard is based.

To assign a bridge group number and define a spanning tree protocol, use the following command in global configuration mode:

Command

Purpose

 

 

bridge bridge-groupprotocol {ieee dec

Assigns a bridge group number and defines a Spanning-Tree Protocol.

vlan-bridge}

 

 

 

The IEEE 802.1D Spanning-Tree Protocol is the preferred way of running the bridge. Use the Digital Spanning-Tree Protocol only for backward compatibility.

Configuring Interfaces

To configure a router interface in the Cisco IOS software, use the following commands beginning in global configuration mode:

 

Command

Purpose

Step 1

 

 

interface type number

Specifies the interface and enters interface configuration mode.

Step 2

 

 

port

Specifies concentrator port operation.

Step 3

 

 

bridge-group bridge-group

Assigns bridge-groups to appropriate interfaces.

 

 

 

Enabling Integrated Routing and Bridging

 

After you have set up the interfaces in the router, you can enable integrated routing and bridging.

 

To enable integrated routing and bridging in the Cisco IOS software, use the following command in

 

global configuration mode:

 

 

 

 

Command

 

Purpose

 

 

 

 

bridge irb

 

Enables integrated routing and bridging.

 

 

 

 

 

Use the show interfaces irb privileged EXEC command to display the protocols that a given bridged

 

interface can route to the other routed interface when the packet is routable, and to display the protocols

 

that a given bridged interface bridges.

Configuring the Bridge-Group Virtual Interface

The bridge-group virtual interface resides in the router. It acts like a normal routed interface that does not support bridging, but represents the entire corresponding bridge group to routed interfaces within the router. The bridge-group virtual interface is assigned the number of the bridge group that it represents. The bridge-group virtual interface number is the link between the bridge-group virtual interface and its bridge group. Because the bridge-group virtual interface is a virtual routed interface, it has all the network layer attributes, such as a network address and the ability to perform filtering. Only one bridge-group virtual interface is supported for each bridge group.

Cisco IOS Bridging and IBM Networking Configuration Guide

BC-40

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Cisco Systems BC-23 manual Configuring Interfaces, Enabling Integrated Routing and Bridging, BC-40

BC-23 specifications

Cisco Systems has long been a leader in the networking industry, and its BC-23 model exemplifies the company's commitment to innovation and performance. Aimed at enhancing business operations, the BC-23 is tailored for organizations looking for robust solutions that support their digital transformation efforts.

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Another significant characteristic of the BC-23 is its support for software-defined networking (SDN). This technology allows businesses to manage their networks through centralized software applications, facilitating real-time adjustments and optimizations. The flexibility afforded by SDN is especially advantageous in dynamic environments where network demands can shift rapidly.

The Cisco BC-23 also offers enhanced management features, allowing IT teams to monitor network performance and analytics effectively. This visibility into network operations enables organizations to identify potential issues before they escalate, minimizing downtime and keeping business processes smooth.

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With its combination of speed, security, and scalability, the Cisco Systems BC-23 is an invaluable asset for modern businesses. It stands out not just as a networking device but as a comprehensive solution that meets the demands of today's fast-paced, technology-driven environment. As companies continue to leverage digital tools for growth and efficiency, the BC-23 will undoubtedly play a significant role in their success.