Home Database Mysql Tutorial CommittedAccessRate配置案例以及详解

CommittedAccessRate配置案例以及详解

Jun 07, 2016 pm 03:06 PM
Case Configuration

案例 要求: 1.所有的www流量都得发出,而且web中遵从第一个速率侧策略的流量设置ip优先级为5,不遵从的就把ipprecedence设为0(尽力而为的传输)。 2.ftp流量遵从第二个速率策略的ip precedence设置为5,如果ftp超出速率策略就扔包。 3.其他剩余流量限制到8m,

CommittedAccessRate配置案例以及详解

案例要求:

1.所有的www流量都得发出,而且web中遵从第一个速率侧策略的流量设置ip优先级为5,不遵从的就把ipprecedence设为0(尽力而为的传输)。

2.ftp流量遵从第二个速率策略的ip precedence设置为5,如果ftp超出速率策略就扔包。

3.其他剩余流量限制到8m,普通突发大小为16000byte,最大突发大小为24000byte;遵从策略的流量设ip precedence为5,超出的流量扔包。

条件和动作:

什么是遵从的条件?

当要发的数据小于正常突发(bc)的时候。

最大条件?

要发的数据大于普通突发,小于最大突发(be)的时候

违章条件是?

要发的数据大于最大突发(be)的时候就算违章。

动作:

丢弃/传输/标记且传输。

案例解决方案:

interface hssi0/0/0

desription 45mbps to r2

//这是一句描述,无配置意义。

rate-limit out put accees-group 101 200000000 24000 32000 conform-action set prec-transmit 5 exceed-action set-prec-transmit 0

//这句真tm长,刚开始接触的时候看见这么长一串东西还是郁闷了很长时间的。呵呵。output指输出流量。101是访问列表标号,200000000是承诺接入速率,它的值是在8000-2000000000 bit每秒。24000是普通突发,它的值应在1000-512000000byte,32000是最大突发,其值范围为2000-1024000000bytes.conform-action后面规定的是遵从条件时候的动作,exceed-action 后面规定的是超出时的动作。关于动作的细节,后面讲。

rate-limit output access-group 102 10000000 24000 32000 conform-action set-prec-tranmit 5 exceed-action drop

rate-limit output 8000000 16000 24000 conform-action set-prec-transmit 5 exceed-action drop

ip address 10.1.0.9 255.255.255.0

!

access-li 101 per tcp any any eq www

access-li 102 per tcp any any eq ftp

*校验以及排错

Router# show interfaces hssi 0/0/0 rate-limit

所有动作:

continue

扫描察看其他的rate limits

drop

扔掉数据包

set dscp-continue #

设dscp,(也是一种类似ip precedence的优先级别)扫描察看其他的rate limits #代表0-63.

set dsc-transmit #

设dscp,发送包。#代表0-63。

set mpls-exp-continue #

设exp,继续 #代表0-7

set mpls-exp-transmit #

设exp,发送包。#代表0-7

set prec-continue #

重新写入优先级,继续。#代表0-7

set prec-transmit #

重新写入优先级,发送包。#代表0-7

set qos-continue

#

设qos组,继续。#代表0-99

set qos-transmit

#

设qos组,发送包。#代表0-99

transmit

发送包.

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