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Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

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Using a Pre-Defined Buffer Profile

The Dell Networking OS provides two pre-defined buffer profiles, one for single-queue (for example, non-quality-of-service [QoS]) applications, and one for four-queue (for example, QoS) applications.

You must reload the system for the global buffer profile to take effect, a message similar to the following displays: % Info: For the global pre-defined buffer profile to take effect, please save the config and reload the system. .

Dell Networking OS Behavior: After you configure buffer-profile global 1Q, the message displays during every bootup. Only one reboot is required for the configuration to take effect; afterward you may ignore this bootup message.

Dell Networking OS 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 remove the 1Q profile configured and then reload the chassis.

If you have already applied a custom buffer profile on an interface, the buffer-profile global command fails and a message similar to the following displays: % Error: User-defined buffer profile already applied. Failed to apply global pre-defined buffer profile. Please remove all user-defined buffer profiles.

Similarly, when you configure buffer-profile global, you cannot not apply a buffer profile on any single interface. A message similar to the following displays: % 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.

If the default buffer profile (4Q) is active, the system displays an error message instructing you to remove the default configuration using the no buffer-profile global command.

To apply a predefined buffer profile, use the following command.

Apply one of the pre-defined buffer profiles for all port pipes in the system. CONFIGURATION mode buffer-profile global [1Q|4Q]

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