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1194 | C-Series Debugging and Diagnostics
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Use a pre-defined buffer profile
FTOS provides two pre-defined buffer profiles, one for single queue (i.e non-QoS) applications, and one
for four queue (i.e QoS) applications.
You must reload the system for the global buffer-profile to take effect (Message 12).
The
buffer-profile global command fails if you have already applied a custom buffer-profile on an interface.
Similarly, when buffer-profile global is configured, you cannot not apply buffer-profile on any interface.
If the default buffer-profile (4Q) is active, FTOS displays an error message instructing you to remove the
default configuration using the command no buffer-profile global.
Sample configuration
The two general types of network environments are sustained data transfers and voice/data. Dell Force10
recommends a single-queue approach for data transfers. Figure 60-21 is a sample configuration for a
C-Series 48-port line card that uses the default packet pointer values.
Task Command Syntax Command Mode
Apply one of two pre-defined buffer profiles for all
port-pipes in the system.
buffer-profile global [1Q|4Q] CONFIGURATION
Message 12 Reload After Applying Global Buffer Profile
% Info: For the global pre-defined buffer profile to take effect, please save the config and reload the
system.
FTOS Behavior: After you configure buffer-profile global 1Q, Message 12 is displayed during every
bootup. Only one reboot is required for the configuration to take effect; afterwards this bootup
message may be ignored.
FTOS Behavior: The buffer profile does not returned to the default, 4Q, if you configure 1Q, save the
running-config to the startup-config, and then delete the startup-config and reload the chassis. The
only way to return to the default buffer profile is to explicitly configure 4Q, and then reload the chassis.
Message 13 Global Buffer Profile Error
% Error: User-defined buffer profile already applied. Failed to apply global pre-defined buffer profile.
Please remove all user-defined buffer profiles.
Message 14 Global Buffer Profile Error
% Error: Global pre-defined buffer profile already applied. Failed to apply user-defined buffer profile
on interface Gi 0/1. Please remove global pre-defined buffer profile.