Configuring The Switch Fabric Module; Configuring The Switching Mode - Cisco 7609 Configuration Manual
Cisco ios software configuration guide—12.1e
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Chapter 37
Configuring the Switch Fabric Module
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Table 37-1
Table 37-1 Switching Modes with Switch Fabric Module Installed
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 DFC installed; displayed as fabric mode for
2. Displayed as fabric mode in show commands.
Configuring the Switch Fabric Module
These section describe configuring the Switch Fabric Module:
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•
•
Note
With Release 12.1(11b)E and later releases, when you are in configuration mode you can enter EXEC
mode-level commands by entering the do keyword before the EXEC mode-level command.
Configuring the Switching Mode
Note
The commands in this section are supported only with Release 12.1(11b)E and later releases.
To configure the switching mode, perform this task:
Command
Router(config)# [no] fabric switching-mode allow
{bus-mode | {truncated [{threshold [number]}]}
78-14064-04
Truncated mode—The router uses this mode for traffic between fabric-enabled modules when there
are both fabric-enabled and nonfabric-enabled modules installed. In this mode, the router sends a
truncated version of the traffic (the first 64 bytes of the frame) over the switch fabric channel.
Bus mode—The router uses this mode for traffic between nonfabric-enabled modules and for traffic
between a nonfabric-enabled module and a fabric-enabled module. In this mode, all traffic passes
between the local bus and the supervisor engine bus.
shows the switch modes used with fabric-enabled and nonfabric-enabled modules installed.
other fabric-enabled modules.
Configuring the Switching Mode, page 37-3
Configuring Fabric-Required Mode, page 37-4
Configuring an LCD Message, page 37-5
Purpose
Configures the switching mode.
Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E
Configuring the Switch Fabric Module
Switching Modes
1
Compact
2
Truncated
Bus
Bus
37-3
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