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Configuring Transparent Bridging

Transparent and SRT Bridging Configuration Examples

BC-72

Cisco IOS Bridging and IBM Networking Configuration Guide

Router/Bridge in Building 2

The configuration file for the router in Building 2 is similar to Building 1:

decnet address 3.56

interface ethernet 0

ip address 128.88.11.9 255.255.255.0

decnet cost 10

interface serial 0

ip address 128.88.2.2 255.255.255.0

bridge-group 1

decnet cost 10

interface ethernet 1

ip address 128.88.16.8 255.255.255.0

bridge-group 1

decnet cost 10

bridge 1 protocol dec

SRT Bridging Example

In Figure 17, a Token Ring and an Ethernet at a remote sales site in New York City must be configured

to pass unroutable bridged traffic across a satellite link to the backbone Token Ring at the corporate

headquarters in Thule, Greenland. IP is the only routed protocol. They are running the IEEE

Spanning-Tree Protocol to comply with the SRT bridging standard.

If there were source-routed traffic to bridge, the source-bridge command would also be used to

configure source routing.

Figure 17 Network Configuration Example

Router

S1095a

New York City MGS Thule, Greenland AGS+

Router

Token

Ring

Token

Ring

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Cisco Systems BC-23 Manual de usuario Pagina 50