Cisco Systems BC-23 manual Configuration for Router B, Configuration for Router C, BC-81

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Configuring Transparent Bridging

Transparent and SRT Bridging Configuration Examples

Configuration for Router B

Router B demonstrates a simple bridge configuration. It is connected to the FDDI backbone and has domain 2 defined. As such it can bridge traffic with the other FDDI-connected BSNs. Note that bridge group 1 has no relationship to bridge group 1 in Router A; bridge groups are an organization internal to each router.

interface ethernet 1 bridge-group 1

!

interface ethernet 2 bridge-group 1

!

interface fddi 0

bridge-group 1

!

bridge 1 domain 2 bridge 1 protocol ieee

Configuration for Router C

Router C and Router D combine to demonstrate load balancing by means of circuit groups. Circuit groups are used to load balance across multiple parallel serial lines between a pair of routers. The router on each end of the serial lines must have a circuit group defined. The circuit group number can be the same or can be different. In this example, they are different.

Router C and Router D are configured with the same domain, because they must understand one another’s BPDUs. If they were configured with separate domains, Router D would ignore Router C’s BPDUs and vice versa.

interface fddi 0

bridge-group 2

!

interface serial 0 bridge-group 2 bridge-group 2 circuit-group 7

!

interface serial 1 bridge-group 2 bridge-group 2 circuit-group 7

!

interface serial 2 bridge-group 2 bridge-group 2 circuit-group 7

!

bridge 2 domain 3 bridge 2 protocol ieee

Configuration for Router D

interface ethernet 4 bridge-group 5

!

interface ethernet 5 bridge-group 5

!

interface serial 0 bridge-group 5 bridge-group 5 circuit-group 4

!

interface serial 1 bridge-group 5 bridge-group 5 circuit-group 4

!

Cisco IOS Bridging and IBM Networking Configuration Guide

BC-81

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Page 58 Page 60
Contents BC-23 Transparent and SRT BridgingBC-24 Transparent Bridging FeaturesIntegrated Routing and Bridging BC-25 Bridge-Group Virtual InterfaceBridge-Group Virtual Interface in the Router BC-26BC-27 SRT Bridging FeaturesOther Considerations BC-28 Transparent and SRT Bridging Configuration Task ListBC-29 Configuring Transparent Bridging and SRT BridgingAssigning Each Network Interface to a Bridge Group As Ieee 802.1D standard, DEC or Vlan bridgeBC-30 Command PurposeTransparently Bridged VLANs for ISL Choosing the OUI for Ethernet Type II FramesTransparently Bridged VLANs on an Fddi Backbone BC-31BC-32 Routing between ISL VLANsBC-33 Specifies a subinterfaceSubinterface with the Vlan Same bridge groupBC-34 Configuring a Subscriber Bridge GroupConfiguring Transparent Bridging over WANs Configuring Fast-Switched Transparent Bridging over ATMSpecifying the Bridging Protocol Configuring Transparent Bridging over DDRCommand Defining the Protocols to BridgeFast-Switched Transparent Bridging Configuring Transparent Bridging over Frame RelayDetermining Access for Bridging Configuring an Interface for BridgingBC-37 Configuring Transparent Bridging over Multiprotocol LapbBridging in a Frame Relay Network with No Multicasts Bridging in a Frame Relay Network with MulticastsBC-38 Configuring Transparent Bridging over SmdsConfiguring Transparent Bridging over Specifies IP-to-X.121 mappingBC-39 Configuring Concurrent Routing and BridgingConfiguring Integrated Routing and Bridging Specifies a protocol to be routed on a bridge groupBC-40 Configuring InterfacesConfiguring the Bridge-Group Virtual Interface Enabling Integrated Routing and BridgingBC-41 Configuring Protocols for Routing or BridgingBC-42 Configuring Transparent Bridging OptionsDisabling IP Routing BC-43 Configuring LAT CompressionEnabling Autonomous Bridging BC-44 Establishing Multiple Spanning-Tree DomainsEstablishes a multiple spanning-tree domain BC-45 Configuring Bridge Table Aging TimeFiltering Transparently Bridged Packets Forwarding Multicast AddressesBC-46 Setting Filters at the MAC LayerBC-47 Filters particular MAC-layer station addressesFiltering by Vendor Code Ethernet-ordered MAC addressBC-48 Filtering by Protocol TypeType BC-49 Defining and Applying Extended Access ListsConfiguration mode InterfaceBC-50 BC-51 Filtering LAT Service AnnouncementsEnabling LAT Group Code Service Filtering BC-52 Adjusting Spanning-Tree ParametersAssigning Path Costs Setting the Bridge PrioritySetting an Interface Priority Adjusting Bpdu IntervalsDefining the Maximum Idle Interval Adjusting the Interval between Hello BPDUsDefining the Forward Delay Interval Disabling the Spanning Tree on an InterfaceBC-55 BC-56 Configuring the PA-12E/2FE Port AdapterBC-57 Monitoring and Maintaining the PA-12E/2FE Port AdapterBC-58 BC-59 BC-60 Configuring Circuit GroupsBC-61 Configuring Constrained Multicast FloodingConfigures a transmission pause interval Distributes base load on the source MAC address onlyBC-62 BC-63 Basic Bridging ExampleBC-64 Concurrent Routing and Bridging ExampleBC-65 Basic Integrated Routing and Bridging ExampleBC-66 Complex Integrated Routing and Bridging ExampleBC-67 Transparently Bridged VLANs Configuration ExampleBC-68 Router OneRouter Two BC-69 Router ThreeBC-70 Routing between VLANs Configuration ExampleEthernet-to-FDDI Transparent Bridging Example BC-71 Ethernet Bridging ExampleRouter/Bridge in Building BC-72 SRT Bridging ExampleBC-73 Configuration for the New York City RouterConfiguration for the Thule, Greenland Router Multicast or Broadcast Packets Bridging ExampleBC-74 Configuration for BridgeTransparent Bridging Example BC-75 Frame Relay Transparent Bridging ExamplesBridging in a Frame Relay Network with No Multicasts BC-76 Transparent Bridging over Multiprotocol Lapb ExampleBridging in a Frame Relay Network with Multicasts BC-77 Transparent Bridging over DDR ExamplesBC-78 Fast-Switched Transparent Bridging over Smds ExampleComplex Transparent Bridging Network Topology Example Bridged Subnetworks with Domains BC-79BC-80 Configuration for Router aBC-81 Configuration for Router BConfiguration for Router C Configuration for Router DBC-82 Fast Ethernet Subscriber Port, Frame Relay Trunk ExampleATM Subscriber Ports, ATM Trunk Example BC-83 BC-84 Configuration of IRB for PA-12E/2FE Port Adapter Example

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.

One of the standout features of the Cisco BC-23 is its advanced networking capabilities. It supports high-speed data transmission, enabling seamless communication across networks. With multi-gigabit Ethernet ports, the BC-23 facilitates faster data rates, accommodating the increasing bandwidth demands of modern applications. This feature is particularly beneficial for businesses that rely heavily on cloud services, video conferencing, and data-heavy applications.

Security is a top priority, and the Cisco BC-23 incorporates cutting-edge security measures. Integrated threat detection and prevention systems help safeguard sensitive data from cyber threats. Additionally, the device supports secure access protocols, ensuring that only authorized users can connect to the network. This multi-layered security approach not only protects the network infrastructure but also secures the integrity of the data being transmitted.

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.

Furthermore, the BC-23 is designed for scalability. As organizations grow, their networking needs evolve, and the BC-23 can easily adapt to these changes. Businesses can add additional devices and capabilities without the need for a complete overhaul of their existing infrastructure.

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.
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