Brocade Network OS NETCONF Operations Guide v4.1.1 Uživatelský manuál stáhnout pdf (Strana 485)

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Network OS NETCONF Operations Guide 453

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Scheduling

<?xml version="1.0" encoding="UTF-8"?>

<edit-config>

</target>

<storm-control

xmlns="urn:brocade.com:mgmt:brocade-bum-storm-control">

<protocol>broadcast</protocol>

<rate-format>limit-bps</rate-format>

<rate-bps>1000000</rate-bps>

<action>shutdown</action>

</ingress>

</storm-control>

</tengigabitethernet>

</interface>

</edit-config>

</rpc>

<rpc-reply message-id="2333" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">

<ok/>

</rpc-reply>

Scheduling

Scheduling arbitrates among multiple queues waiting to transmit a frame. The Brocade switch

supports both Strict Priority (SP) and Deficit Weighted Round Robin (DWRR) scheduling algorithms.

Also supported is the flexible selection of the number of traffic classes using SP-to-DWRR. When

there are multiple queues for the same traffic class, then scheduling takes these equal priority

queues into consideration.

For an overview of the supported scheduling algorithms, refer to the Network OS Administrator’s

Guide.

Scheduling the QoS queue

To specify the schedule used, perform the following steps.

1. Issue the <edit-config> RPC to configure the <qos> node in the

urn:brocade.com:mgmt:brocade-qos namespace.

2. Under the <qos> node, include the <queue>/<scheduler>/<strict-priority> hierarchy of

element nodes.

3. Under the <strict-priority> node, include the following leaf elements.

a. In the <priority-number> element, set the number of traffic classes to be part of the strict

priority Traffic Class. For example, if the priority number is 3, the strict priority Traffic Class

contains Traffic Classes 7, 6, and 5.

b. In the <scheduler-type> element, specify “dwrr” for deficit weighted round robin queues.

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