Cisco Systems BC-109 Uživatelský manuál stáhnout pdf (Strana 46)

SRB Configuration Examples

BC-154

Bridging and IBM Networking Configuration Guide

Assume that the following configuration for SRB and transparent bridging existed before you

wanted to enable SR/TLB:

interface tokenring 0

source-bridge 1 1 2

interface tokenring 1

source-bridge 2 1 1

interface ethernet 0

bridge-group 1

interface ethernet 0

bridge-group 1

bridge 1 protocol dec

To enable SR/TLB, one aspect of this configuration must change immediately—a third ring must be

configured. Before SR/TLB, the two Token Ring interfaces were communicating with two-port local

source-route bridging; after SR/TLB, these two interfaces must be reconfigured to communicate

through a virtual ring, as follows:

source-bridge ring-group 10

interface tokenring 0

source-bridge 1 1 10

interface tokenring 1

source-bridge 2 1 10

interface ethernet 0

bridge-group 1

interface ethernet 1

bridge-group 1

bridge 1 protocol dec

Now you are ready to determine two things:

• A ring number for the pseudo-ring that is unique throughout the source-route bridged network.

For the preceding example configuration, use the number 3.

• A bridge number for the path to the pseudo-ring. For the preceding example configuration, use

the number 1.

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Cisco Systems BC-109 Uživatelský manuál Strana 46