Cajun P220G, Руководство по конфигурации и эксплуатации

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Cajun P220G Switch Configuration and Operation Guide 4-1
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This chapter discusses the following:
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Buffer Management
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Managing Buffers and Queues
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There are two principal reasons to manage buffers in a switch:
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To make sure that the high priority traffic is being processed as expected.
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To make sure that buffers are not timing out too quickly when passing traffic to
slower ports.
The following sections describe the P220G switch buffer and queueing implementation.
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Frames are buffered in the I/O port (Figure 4-1), before and after traversing the switch.
Each queue can hold 256K bytes. Architecturally, they can support up to 1 MB each.