Cisco WS-SUP720= - Supervisor Engine 720 Configuration Manual page 4

Configuring and Monitoring the Switch Fabric Functionality
Table 4-1
Modules
Between fabric-enabled modules (when no nonfabric-enabled modules are
installed)
Between fabric-enabled modules (when nonfabric-enabled modules are also
installed)
Between fabric-enabled and nonfabric-enabled modules
Between non-fabric-enabled modules
1. In show commands, displayed as dcef mode for fabric-enabled modules with DFC3 installed; displayed as fabric mode for
2. Displayed as fabric mode in show commands.
Configuring the Switch Fabric Functionality
To configure the switching mode, perform this task:
Command
Router(config)# [no] fabric switching-mode allow
{bus-mode | {truncated [{threshold [number]}]}
When configuring the switching mode, note the following information:
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•
When you enter the no fabric switching-mode allow bus-mode command, power is removed from any
Caution
nonfabric-enabled modules installed in the switch.
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•
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Monitoring the Switch Fabric Functionality
The switch fabric functionality supports a number of show commands for monitoring purposes. A fully
automated startup sequence brings the module online and runs the connectivity diagnostics on the ports.
Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide, Release 12.2SXF
4-4
Switch Fabric Functionality Switching Modes
other fabric-enabled modules.
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.
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.
Chapter 4
Purpose
Configures the switching mode.
Configuring a Supervisor Engine 720
Switching Modes
1
Compact
2
Truncated
Bus
Bus
OL-3999-08