Cisco 7609 Especificaciones descargar pdf (Pagina 532)

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Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E

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Chapter 37 Configuring the Switch Fabric Module

Configuring the Switch Fabric Module

When configuring the switching mode, note the following syntax information:

• To allow use of nonfabric-enabled modules or to allow fabric-enabled modules to use bus mode,

enter the fabric switching-mode allow bus-mode command.

• To prevent use of nonfabric-enabled modules or to prevent fabric-enabled modules from using bus

mode, enter the no fabric switching-mode allow bus-mode command.

Caution When you enter the no fabric switching-mode allow bus-mode command, power is removed from any

nonfabric-enabled modules installed in the router.

• To allow fabric-enabled modules to use truncated mode, enter the fabric switching-mode allow

truncated command.

• To prevent fabric-enabled modules from using truncated mode, enter the no fabric switching-mode

allow truncated command.

• To configure how many fabric-enabled modules must be installed before they use truncated mode

instead of bus mode, enter the fabric switching-mode allow truncated threshold number command.

• To return to the default truncated-mode threshold, enter the no fabric switching-mode allow

truncated threshold command.

Configuring Fabric-Required Mode

Note The commands in this section are supported only with Release 12.1(11b)E and later.

To configure fabric-required mode, which prevents all switching modules from operating unless there is

a Switch Fabric Module installed, perform this task:

Caution If you enter the fabric required command on a router that does not have a Switch Fabric Module

installed, all modules except the supervisor engine turn off.

When configuring fabric-required mode, note the following syntax information:

• If you boot the router with fabric-required mode configured but without a Switch Fabric Module

installed, only the supervisor engine receives power; no switching modules power up.

• When the router is operating with fabric-required mode configured and a Switch Fabric Module

installed, if you remove the switch fabric module or if it fails, the router removes power from all

switching modules; only the supervisor engine remains active.

• When the router is operating with fabric-required mode configured and with redundant Switch

Fabric Modules installed, if you remove both switch fabric modules or if both fail, the router

removes power from all switching modules; only the supervisor engine remains active.

Command Purpose

Router(config)# fabric required

Configures fabric-required mode, which prevents switching

modules from operating without a switch-fabric module.

Router(config)# no fabric required

Clears fabric-required mode.

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