Foundry Networks Switch and Router

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IronClad Quality of Service (QoS)

December 2000 11 - 7

Figure 11.1 illustrates a cycle through the queues.

Figure 11.1 Example of a QoS cycle using the default weights

If you change the percentages for the queues, the software changes the weights, which changes the number of

visits a queue receives during a full queue cycle and also the number of packets sent from each queue during

each visit. For example, if you change the percentages so that queue qosp3 receives a weight of 5, then the

system processes five packets in that queue during each visit to the queue.

Queue 3: weight=4, minimum percentage=80%

Queue 2: weight=3, minimum percentage=15%

Queue 1: weight=2, minimum percentage=3.3%

Queue 0: weight=1, minimum percentage=1.7%

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