Dell Networking S6000 Uživatelský manuál stáhnout pdf (Strana 966)

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Using a Pre-Defined Buffer Profile

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: 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.

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]

If the default buffer profile dynamic is active, Dell Networking OS displays an error message instructing

you to remove the default configuration using the no buffer-profile global command.

Sample Buffer Profile Configuration

The two general types of network environments are sustained data transfers and voice/data.

Dell Networking recommends a single-queue approach for data transfers.

Example of a Single Queue Application for S50N with Default Packet Pointers

buffer-profile fp fsqueue-fp

buffer dedicated queue0 3 queue1 3 queue2 3 queue3 3 queue4 3 queue5 3 queue6 3

queue7 3

buffer dynamic 1256

buffer-profile fp fsqueue-hig

buffer dedicated queue0 3 queue1 3 queue2 3 queue3 3 queue4 3 queue5 3 queue6

3 queue7 3

buffer dynamic 1256

buffer fp-uplink stack-unit 0 port-set 0 buffer-policy fsqueue-hig

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S-Series Debugging and Diagnostics

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