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Understanding Class Based Weighted Fair Queuing on ATM
This document provides an introduction to traffic queuing using class-based weighted fair queuing (CBWFQ) technology.
15 Nov 2007
Weighted Fair Queuing (WFQ) was implemented for slow speed links (such as serial) to provide a fair treatment for each type of traffic. To do its job, WFQ classifies the traffic into different flows based on the associated layer 3 and layer 4 information (IP...
12 Dec 2005
This document provides an introduction to traffic queuing that uses weighted fair queuing (WFQ) technology.
05 Oct 2006
This document reviews the hierarchical queueing architecture on serial interfaces configured with Frame Relay encapsulation. When configured with Frame Relay Traffic Shaping (FRTS), Frame Relay interfaces support the following queue layers:
18 Nov 2005
This document provides a sample configuration for fancy queueing options, such as class-based weighted fair queueing (CBWFQ) and low latency queueing (LLQ), on ATM interfaces configured to accept bridged-format protocol data units (PDUs).
15 Feb 2008
The service-policy command normally applies a policy map configured with the commands of the modular QoS CLI (MQC) to a main interface, subinterface, or virtual circuit. You can also apply this command to a virtual template interface, multilink interface, and a dialer interface configured with point-to-point...
17 Jun 2009
Newer router ATM hardware,including the PA-A3 port adapter,NM-1A-OC3/DS3,and Inverse Multiplexing for ATM (IMA) adapter,creates a separate packet queue for each virtual circuit (VC) in the interface hardware buffers. These buffers are also known as the transmit ring. The purpose of per-VC...
14 Dec 2007
This document clarifies how a router calculates the size of the queue limit when per-VC queueing features are enabled on an ATM router interface that supports IP to ATM Class of Service (CoS). Cisco's modular Quality of Service (QoS) CLI (known as MQC) is used...
15 Nov 2007
...feature, you should understand the following concepts...you specify the CLP queue-limit and the global...threshold) for a class configured in a policy...the class or the ATM virtual circuit...effect, depending on how the policy map...distributed class-based weighted fair queueing (DCBWFQ...features, such as weighted fair queuing (WFQ). WFQ creates a queue for every class for which you define...created with the atm clp based queue-limit command...to ATM interfaces on Cisco 12000 Series...
08 Nov 2004
This document provides the information you need to understand and troubleshoot output drops on ATM interfaces.
15 Nov 2007