Weighted Fair Queuing
There are two implementations of Weighted Fair Queuing (WFQ) in IOS:
Platform-independent WFQ
Distributed Weighted Fair Queuing (DWFQ)
All Cisco platforms covered in this book, except Cisco 12000, support platform-independent WFQ. DWFQ is available only on VIP interfaces on 7500 series routers when dCEF switching is enabled.
Platform-Independent WFQ
IOS has two implementations of platform-independent WFQ:
Flow-Based WFQ
Class-Based CBWFQ
Flow-Based WFQ
Flow-Based WFQ is similar to custom queuing in its effect on traffic streams, but rather than defining a static policy to sort the packets into the individual queues, the streams are sorted automatically. Flow-Based WFQ is a legacy congestion management feature in IOS and ...
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