C00800060高級(jí)QoS管理工具

1、高級(jí)QoS管理工具構(gòu)建平安優(yōu)化的廣域網(wǎng) 1.0QoS的配置方式分為QoS policy配置方式和非QoS policy配置方式兩種。QoS policy配置方式是指通過配置QoS policy來實(shí)現(xiàn)QoS功能。用戶可以通過QoS policy將指定的類和行為綁定起來,靈活地進(jìn)行QoS配置。引入理解QoS policy和CBQ的功能和特點(diǎn)描述CBQ的工作原理配置QoS policy實(shí)現(xiàn)CBQ以及其他主要的QoS功能理解QoS policy的DAR特性課程目標(biāo)學(xué)習(xí)完本課程,您應(yīng)該能夠：QoS Policy概述CBQ介紹基于QoS Policy的其它QoS功能介紹DAR介紹目錄QoS Policy介

2、紹QoS policy包含了三個(gè)要素：類：用戶定義的一系列規(guī)則的集合行為：定義了針對(duì)報(bào)文所做的QoS動(dòng)作策略：將各個(gè)類與相應(yīng)的行為綁定起來可以實(shí)現(xiàn)分類、標(biāo)記、整形、監(jiān)管、擁塞管理、擁塞防止、統(tǒng)計(jì)、鏡像、訪問控制、深度應(yīng)用識(shí)別等QoS功能QoS Policy的構(gòu)成每個(gè)QoS policy包含假設(shè)干條目每個(gè)條目為一個(gè)C-B對(duì),包含一個(gè)類和一個(gè)對(duì)應(yīng)的行為報(bào)文按條目的先后順序嘗試匹配其分類規(guī)則。匹配某類后執(zhí)行對(duì)應(yīng)的行為,行為被執(zhí)行后不再繼續(xù)匹配Policy 空開始匹配類1行為1匹配類2行為2匹配類N行為N結(jié)束是否否否否是是是匹配缺省類缺省行為QoS Policy配置任務(wù)定義類定義行為定義QoS pol

3、icy基于接口或PVC應(yīng)用QoS policy基于上線用戶應(yīng)用QoS policy基于VLAN應(yīng)用QoS policy全局應(yīng)用QoS policy基于控制平面應(yīng)用QoS policy類的定義類分為以下兩種：系統(tǒng)預(yù)定義類：不能被用戶修改或刪除用戶定義類：由用戶創(chuàng)立并維護(hù)用戶定義類的分類標(biāo)準(zhǔn)根據(jù)ACL分類匹配所有數(shù)據(jù)報(bào)文根據(jù)協(xié)議類型分類根據(jù)報(bào)文二層信息分類根據(jù)報(bào)文三層信息分類根據(jù)各類優(yōu)先級(jí)、標(biāo)志位分類根據(jù)報(bào)文接收接口分類根據(jù)MPLS標(biāo)簽分類類規(guī)則間的邏輯關(guān)系sysnametraffic classifier classB operator andsysname-classifier-classBi

4、f-match acl 2001sysname-classifier-classBif-match acl 2002sysnametraffic classifier classA operator orsysname-classifier-classAif-match acl 2003sysname-classifier-classAif-match classifier classB用戶可以指定規(guī)則之間的邏輯關(guān)系or（邏輯或）關(guān)系：報(bào)文只要匹配了類中的任何一個(gè)規(guī)則,就認(rèn)為其屬于這個(gè)類and（邏輯與）關(guān)系：報(bào)文只有匹配了所有的規(guī)則,才認(rèn)為其屬于這個(gè)類通過類嵌套,可以實(shí)現(xiàn)復(fù)雜邏輯規(guī)則定義類,滿

5、足條件匹配 ACL 2001 &匹配 ACL 2002 |匹配 ACL 2003,可以這樣定義：類的配置命令定義用戶類、指定規(guī)則間邏輯關(guān)系定義類中的規(guī)則not關(guān)鍵字：指定本規(guī)則為不匹配指定條件的規(guī)則,比方if-macth not acl 2000,就是匹配acl 2000范圍之外的報(bào)文match-criteria參數(shù)的支持情況與設(shè)備類型和軟件版本有關(guān)sysname traffic classifier tcl-name operator and | or sysname-classifier-classA if-match not match-criteria類的配置命令（續(xù)）類的match-

6、criteria 參數(shù)match-criteria 值描述acl ipv6 acl-number | name acl-name 定義匹配ACL的規(guī)則any定義匹配所有數(shù)據(jù)包的規(guī)則classifier tcl-name定義匹配QoS類的規(guī)則 dscp dscp-list定義匹配DSCP的規(guī)則destination-mac mac-address定義匹配目的MAC地址的規(guī)則 customer-dot1p 8021p-list定義匹配用戶網(wǎng)絡(luò)802.1p優(yōu)先級(jí)的規(guī)則inbound-interface interface-type interface-number定義匹配入接口的規(guī)則ip-prece

7、dence ip-precedence-list定義匹配IP Precedence的規(guī)則mpls-exp exp-list定義匹配MPLS EXP優(yōu)先級(jí)的規(guī)則protocol protocol-name定義匹配協(xié)議的規(guī)則service-dot1p 8021p-list定義匹配運(yùn)營商網(wǎng)絡(luò)802.1p優(yōu)先級(jí)的規(guī)則rtp start-port start-port-number end-port end-port-number定義匹配RTP協(xié)議接口的規(guī)則qos-local-id local-id-value定義匹配qos-local-id的規(guī)則source-mac mac-address定義匹配源M

8、AC地址的規(guī)則fr-de 定義匹配FR報(bào)文的DE標(biāo)志service-vlan-id vlan-id-list定義匹配運(yùn)營商網(wǎng)絡(luò)VLAN ID的規(guī)則customer-vlan-id vlan-id-list定義匹配用戶網(wǎng)絡(luò)VLAN ID的規(guī)則類的顯示顯示系統(tǒng)定義和用戶定義的類,使用命令：sysname display traffic classifier system-defined | user-defined tcl-name dis traffic classifier system-defined default-class System Defined Classifier Infor

9、mation: Classifier: default-class Operator: AND Rule(s) : -none-dis traffic classifier user-defined test User Defined Classifier Information: Classifier: test Operator: AND Rule(s) : If-match acl 3000 If-match acl 2000 If-match source-mac 0000-0000-0001 行為的定義行為包括以下兩類：系統(tǒng)定位行為：不能被用戶修改或刪除用戶定義行為：需要用戶定義與維

10、護(hù)行為主要可包括以下QoS動(dòng)作流量監(jiān)管流量整形流量過濾流量重定向流量鏡像重標(biāo)記流量統(tǒng)計(jì)擁塞管理擁塞防止行為的執(zhí)行路由器軟件的QoS動(dòng)作執(zhí)行順序：硬件QoS動(dòng)作的支持情況及執(zhí)行順序與產(chǎn)品相關(guān)。如果配置了filter deny,那么除流量統(tǒng)計(jì)以外其他行為都不會(huì)生效。與流量統(tǒng)計(jì)配合使用的情況和產(chǎn)品相關(guān)。開始filterremarkcargtsqueue結(jié)束行為的配置配置用戶行為主要的動(dòng)作配置命令car：配置流量監(jiān)管filter：配置流量過濾gts：配置流量整形redirect ：配置流量重定向動(dòng)作 remark：配置流量的二次標(biāo)記 queue：配置隊(duì)列traffic-policy：配置子策略acco

11、unting：配置統(tǒng)計(jì)功能nest：配置創(chuàng)立外層VLAN Tag的動(dòng)作primap：配置優(yōu)先級(jí)影射動(dòng)作sysname traffic behavior behavior-name 行為的顯示顯示系統(tǒng)和用戶定義的行為,使用命令：sysname display traffic behavior system-defined | user-defined behavior-name sysnamedisplay traffic behavior system-defined be-flow-based System Defined Behavior Information: Behavior: be

12、-flow-based Flow based Weighted Fair Queue: Max number of hashed queues: 256 Discard Method: IP Precedence based WRED Exponential Weight: 9 Precedence Low High Discard Limit Limit Probability - 0 10 30 10 1 10 30 10 2 10 30 10 3 10 30 10 4 10 30 10 5 10 30 10 6 10 30 10 7 10 30 10sysnamedisplay traf

13、fic behavior user-defined test User Defined Behavior Information: Behavior: test Accounting enableQoS Policy的配置命令定義QoS policy配置一個(gè)條目,為類指定對(duì)應(yīng)的行為QoS policy應(yīng)用到接口QoS policy應(yīng)用到VLANQoS policy應(yīng)用到全局sysname qos policy policy-name sysname-qospolicy-test classifier tcl-name behavior behavior-name mode dot1q-tag-

14、manipulation sysname-Ethernet1/0/1 qos apply policy policy-name inbound | outbound sysname qos vlan-policy policy-name vlan vlan-id-list inbound | outbound sysname qos apply policy policy-name global inbound | outbound QoS Policy的顯示命令顯示系統(tǒng)與用戶定義的QoS policy顯示應(yīng)用到接口的QoS policy顯示應(yīng)用到VLAN的QoS policy顯示應(yīng)用到全局的

15、QoS policysysname display qos policy system-defined | user-defined policy-name classifier tcl-name sysname display qos policy interface interface-type interface-number inbound | outbound pvc pvc-name vpi/vci | vpi/vci sysname display qos vlan-policy name policy-name | vlan vlan-id inbound | outbound

16、 sysname display qos policy global inbound | outbound QoS policy配置例子會(huì)聚交換機(jī)對(duì)部門C來的流量,通過remark動(dòng)作,使其獲得較高本地優(yōu)先級(jí)通過ACL 2000匹配部門C的流量特征E1/0/1E1/0/2E1/0/3E1/0/4服務(wù)器部門B部門C部門A交換機(jī)sysnametraffic classifier remarkAsysname-classifier-remarkAif-match acl 2000sysname-classifier-remarkAquitsysnametraffic behavior remarkA

17、sysname-behavior-remarkAremark local-precedence 5sysnameqos policy remarkAsysname-qospolicy-remarkAclassifier remarkA behavior remarkAsysname-qospolicy-remarkAquitsysname-Ethernet1/0/3qos apply policy remarkA inbound 基于VLAN的QoS PolicyQoS policy應(yīng)用于VLAN,對(duì)VLAN內(nèi)所有匹配規(guī)則的流量生效如果在某一端口和該端口所屬的VLAN上都應(yīng)用了QoS poli

18、cy,端口上應(yīng)用的QoS policy生效如果VLAN和全局都應(yīng)用了QoS policy,VLAN上的QoS policy生效通過reset qos vlan-policy去除應(yīng)用于VLAN上的QoS policy的計(jì)數(shù)統(tǒng)計(jì)信息動(dòng)態(tài)VLAN,不支持應(yīng)用QoS policysysname reset qos vlan-policy vlan vlan-id QoS Policy概述CBQ介紹基于QoS Policy的其它QoS功能介紹DAR介紹目錄CBQ概述CBQ是一種基于QoS policy實(shí)現(xiàn)的擁塞管理技術(shù)包含1個(gè)LLQ（Low Latency Queuing,低延遲隊(duì)列）,用來支撐EF（E

19、xpedited Forwarding,快速轉(zhuǎn)發(fā)）類業(yè)務(wù),被絕對(duì)優(yōu)先發(fā)送,保證時(shí)延最大64個(gè)BQ（Bandwidth Queuing,帶寬保證隊(duì)列）,用來支撐AF（Assured Forwarding,確保轉(zhuǎn)發(fā)）類業(yè)務(wù),保證每一個(gè)隊(duì)列的帶寬及可控的時(shí)延1個(gè)WFQ隊(duì)列,對(duì)應(yīng)缺省類,用于為BE（Best Effort,盡力傳送）業(yè)務(wù)提供效勞。其利用接口剩余帶寬進(jìn)行發(fā)送CBQ入隊(duì)列處理LLQ丟棄策略為尾丟棄,BQ、BE可以為尾丟棄或WREDLLQ隊(duì)列是否擁塞否EF1是隊(duì)列調(diào)度WFQ隊(duì)列流量監(jiān)管丟棄策略EF64AF1AF64流量監(jiān)管丟棄策略丟棄策略是是是是丟棄策略否否否否發(fā)送隊(duì)列發(fā)送報(bào)文準(zhǔn)備發(fā)送BQ6

20、4隊(duì)列BQ1隊(duì)列CBQ隊(duì)列調(diào)度緊急隊(duì)列空開始是報(bào)文出隊(duì),并開始下輪調(diào)度協(xié)議隊(duì)列空LLQ空BQ空WFQ空BQ隊(duì)列調(diào)度WFQ隊(duì)列調(diào)度否否否否否是是是是通過測(cè)量是否LLQ隊(duì)列調(diào)度發(fā)送隊(duì)列CBQ隊(duì)列調(diào)度（續(xù)）BQ1空BQ2空是是否BQ64空計(jì)算隊(duì)列當(dāng)前勢(shì)能計(jì)算隊(duì)列當(dāng)前勢(shì)能隊(duì)列當(dāng)前勢(shì)能最小的隊(duì)列報(bào)文出隊(duì)計(jì)算隊(duì)列當(dāng)前勢(shì)能否否開始是BQ1勢(shì)能BQ2勢(shì)能BQ64勢(shì)能發(fā)送隊(duì)列QoS最大可用帶寬接口的QoS最大可用帶寬,是指在此接口上CBQ可能占用的最大帶寬。QoS最大可用帶寬并非接口實(shí)際帶寬,允許手工配置配置接口QoS最大可用帶寬不配置時(shí),使用如下缺省值對(duì)于物理接口,其取值為物理接口實(shí)際的波特率或速率對(duì)于T1/

21、E1、MFR等通過綁定生成的邏輯串口,其取值為綁定通道的總帶寬對(duì)于VT、Dialer、BRI、PRI等模板類型的接口,取值為1000000kbps對(duì)于其他虛接口（如Tunnel接口）,取值為0kbpssysname-Serial1/0 qos max-bandwidth bandwidth QoS預(yù)留帶寬為了防止缺省類的數(shù)據(jù)流被“餓死,CBQ隊(duì)列中LLQ和BQ隊(duì)列配置帶寬的總和不得超過QoS預(yù)留帶寬。QoS預(yù)留帶寬計(jì)算公式QoS預(yù)留帶寬=QoS最大可用帶寬QoS預(yù)留百分比QoS預(yù)留百分比配置命令QoS預(yù)留帶寬建議不要超過接口實(shí)際帶寬的80%sysname-Serial1/0 qos reser

22、ved-bandwidth pct percentCBQ配置過程 Class-EF1 Class-EF64配置EF業(yè)務(wù)類 Class-AF1 Class-AF64配置AF業(yè)務(wù)類 Behavior-EF1 Behavior-EF64配置LLQ隊(duì)列 Behavior-AF1 Behavior-AF64配置BQ隊(duì)列 Behavior-EF1 Behavior-EF64配置QoS policy Class-EF1 Class-EF64 Class-AF1 Class-AF64 Behavior-AF1 Behavior-AF64配置接口QoS可用帶寬配置接口最大帶寬配置QoS預(yù)留百分比QoS poli

23、cy應(yīng)用到接口帶寬檢查應(yīng)用成功應(yīng)用失敗成功失敗系統(tǒng)定義的CBQDefault策略是系統(tǒng)定義的CBQ,用戶可以使用,但不能修改和刪除該策略Default策略使用系統(tǒng)定義的分類和系統(tǒng)定義的隊(duì)列行為,提供缺省的CBQ效勞beefdefault 策略 default-classefaf1af2afaf類行為af3afaf4af類規(guī)則匹配DSCP EF優(yōu)先級(jí)匹配DSCP af11 af12 af13優(yōu)先級(jí)匹配DSCP af21 af22 af23優(yōu)先級(jí)匹配DSCP af31 af32 af33優(yōu)先級(jí)匹配DSCP af41 af42 af43優(yōu)先級(jí)none類內(nèi)部規(guī)則間邏輯為or隊(duì)列配置ef 隊(duì)列,分配帶寬

24、20%WFQ隊(duì)列af 隊(duì)列,保證帶寬20%af 隊(duì)列,保證帶寬20%af 隊(duì)列,保證帶寬20%af 隊(duì)列,保證帶寬20%丟棄策略都是尾丟棄CBQ隊(duì)列配置配置EF隊(duì)列可用絕對(duì)值和百分比兩種方式配置分配帶寬絕對(duì)值方式：可以直接配置CBS,支持突發(fā)百分比方式：通過配置突發(fā)因子計(jì)算CBSCBS=QoS預(yù)留帶寬percentageratio1001000不支持隊(duì)列長度配置不能使用于系統(tǒng)缺省類sysname-behavior-behaviorA queue ef bandwidth bandwidth cbs burst | pct percentage cbs-ratio ratio CBQ隊(duì)列配置（續(xù)

25、）配置AF隊(duì)列可用絕對(duì)值和百分比兩種方式配置保證帶寬可以配置WRED或尾丟棄策略配置CBQ缺省類使用的WFQ隊(duì)列可以配置WRED或尾丟棄策略配置最大隊(duì)列長度sysname-behavior-behaviorA queue af bandwidth bandwidth | pct percentage sysname-behavior-behaviorA queue wfq queue-number total-queue-number sysname-behavior-behaviorA queue-length queue-length CBQ信息顯示顯示基于類的隊(duì)列配置信息和運(yùn)行情況所有E

26、F隊(duì)列報(bào)文進(jìn)入一個(gè)物理LLQ對(duì)列,所以沒有EF對(duì)列數(shù)的顯示Available指尚能繼續(xù)給CBQ分配的帶寬,即接口QoS預(yù)留帶寬和當(dāng)前CBQ已經(jīng)配置的帶寬之差sysname display qos cbq interface interface-type interface-number pvc pvc-name vpi/vci | vpi/vci sysnamedisplay qos cbq interface g0/0Interface: GigabitEthernet0/0Output queue : (Urgent queuing : Size/Length/Discards) 0/10

27、0/0Output queue : (Protocol queuing : Size/Length/Discards) 0/500/0Output queue : (Class Based Queuing : Size/Discards) 0/0 Queue Size: 0/0/0 (EF/AF/BE) BE queues: 0/0/256 (Active/Max active/Total) AF queues: 1 (Allocated) Bandwidth(Kbps): 0% /80000 (Available/Max reserve) 顯示接口的CBQ隊(duì)列信息通過QoS policy查看

28、每個(gè)隊(duì)列的匹配和統(tǒng)計(jì)CBQ信息顯示（續(xù)）sysnamedisplay interface GigabitEthernet0/0GigabitEthernet0/0 current state: UPLine protocol current state: UPDescription: GigabitEthernet0/0 InterfaceOutput flow-control is disabled, input flow-control is disabledOutput queue : (Urgent queuing : Size/Length/Discards) 0/100/0Outp

29、ut queue : (Protocol queuing : Size/Length/Discards) 0/500/0Output queue : (Class Based Queuing : Size/Discards) 0/0 Queue Size: 0/0/0 (EF/AF/BE) BE queues: 0/0/256 (Active/Max active/Total) AF queues: 1 (Allocated) Bandwidth(Kbps): 0% /80000 (Available/Max reserve)display qos policy interface g 0/0

30、 Rule(s) : If-match any Behavior: be Default Queue: Flow Based Weighted Fair Queuing Max number of hashed queues: 256 Matched : 0/0 (Packets/Bytes) Enqueued : 0/0 (Packets/Bytes) Discarded: 0/0 (Packets/Bytes) .CBQ配置例子某企業(yè)路由器E0/1接口接入語音業(yè)務(wù),E0/2接口接入管理部門,E0/3接口接入普通業(yè)務(wù),通過E0/4上行到運(yùn)營商傳輸網(wǎng)絡(luò)。要求語音業(yè)務(wù)加速轉(zhuǎn)發(fā),管理部門業(yè)務(wù)確保轉(zhuǎn)

31、發(fā),剩余或空閑帶寬用于普通業(yè)務(wù)E0/1E0/2E0/3E0/4管理部門普通業(yè)務(wù)語音業(yè)務(wù)路由器運(yùn)營商sysnametraffic classifier EF-1sysname-classifier-EF-1if-match inbound-interface et0/1sysname-classifier-EF-1traffic classifier AF-1sysname-classifier-AF-1if-match inbound-interface et0/2sysname-classifier-AF-1traffic behavior EF-1 sysname-behavior-EF-

32、1queue ef bandwidth pct 40 cbs 50sysname-behavior-EF-1traffic behavior AF-1 sysname-behavior-AF-1queue af bandwidth pct 30sysname-behavior-AF-1qos policy CBQ sysname-qospolicy-CBQclassifier AF-1 behavior AF-1sysname-qospolicy-CBQclassifier EF-1 behavior EF-1sysname-Ethernet0/4qos apply policy CBQ ou

33、tbound QoS Policy概述CBQ介紹基于QoS Policy的其它QoS功能介紹DAR介紹目錄基于QoS Policy的監(jiān)管與整形配置例子企業(yè)路由器對(duì)每個(gè)部門的IP Precedence小于2的上行流量限速8M；全部對(duì)外流量超過70M時(shí),進(jìn)行流量整形E0/1E0/2E0/3E0/4部門B部門C路由器運(yùn)營商部門Asysname-classifier-CARif-match ip-precedence 0 1sysname-behavior-CARcar cir 8000sysname-qospolicy-CARclassifier CAR behavior CARsysname-Et

34、hernet0/1qos apply policy CAR inboundsysname-Ethernet0/2qos apply policy CAR inboundsysname-Ethernet0/3qos apply policy CAR inboundsysnametraffic classifier GTSsysname-classifier-GTSif-match anysysnametraffic behavior GTS sysname-behavior-GTSgts cir 70000 sysname-qospolicy-GTSclassifier GTS behavior

35、 GTSsysname-Ethernet0/4qos apply policy GTS outbound基于QoS Policy的MPLS QoS配置例子需求：對(duì)VPN1中DSCP為AF11、AF21 、AF31的流量分別給于10%、20%、30%的帶寬保證；對(duì)DSCP為EF的流量分配40%帶寬,確保轉(zhuǎn)發(fā)。配置方案：在PE設(shè)備上配置QoS policy,根據(jù)DSCP標(biāo)記MPLS EXP值。在P設(shè)備根據(jù)EXP配置CBQ隊(duì)列。PPE1PE2CE1CE2S2/1S2/1S2/2E1/1E1/0E1/2E1/3AS65410AS65420AS100VPN1VPN1基于QoS Policy的MPLS Q

36、oS配置例子(續(xù))在PE1上定義四個(gè)類,分別用來匹配同一VPN內(nèi)DSCP分別為AF11、AF21、AF31和EF的報(bào)文定義四個(gè)行為,設(shè)置MPLS報(bào)文EXP域的值PE1 traffic classifier af11PE1-classifier-af11 if-match dscp af11PE1-classifier-af11 traffic classifier af21PE1 traffic classifier af21PE1-classifier-af21 if-match dscp af21PE1-classifier-af21 quitPE1 traffic classifier

37、af31PE1-classifier-af31 if-match dscp af31PE1-classifier-af31 quitPE1 traffic classifier efclassPE1-classifier-efclass if-match dscp efPE1-classifier-efclass quitPE1 traffic behavior exp1PE1-behavior-exp1 remark mpls-exp 1PE1-behavior-exp1 quitPE1 traffic behavior exp2PE1-behavior-exp2 remark mpls-e

38、xp 2PE1-behavior-exp2 quitPE1 traffic behavior exp3PE1-behavior-exp3 remark mpls-exp 3PE1-behavior-exp3 quitPE1 traffic behavior exp4PE1-behavior-exp4 remark mpls-exp 4PE1-behavior-exp4 quit基于QoS Policy的MPLS QoS配置例子(續(xù))定義QoS policy,為不同類的報(bào)文指定行為,即對(duì)不同類的報(bào)文標(biāo)記不同的EXP值,在PE入接口應(yīng)用QoS policy在P設(shè)備定義四個(gè)類,分別用來匹配EXP字段

39、為1、2、3、4的MPLS報(bào)文PE1 qos policy REMARKPE1-qospolicy-REMARK classifier af11 behavior exp1PE1-qospolicy-REMARK classifier af21 behavior exp2PE1-qospolicy-REMARK classifier af31 behavior exp3PE1-qospolicy-REMARK classifier efclass behavior exp4PE1-qospolicy-REMARK quitPE1 interface ethernet 1/1PE1-Ethern

40、et1/1 qos apply policy REMARK inboundP traffic classifier EXP1P-classifier-EXP1 if-match mpls-exp 1P-classifier-EXP1 quitP traffic classifier EXP2P-classifier-EXP2 if-match mpls-exp 2P-classifier-EXP2 quitP traffic classifier EXP3P-classifier-EXP3 if-match mpls-exp 3P-classifier-EXP3 quitP traffic c

41、lassifier EXP4P-classifier-EXP4 if-match mpls-exp 4P-classifier-EXP4 quit基于QoS Policy的MPLS QoS配置例子(續(xù))定義行為不同的流,配置不同的帶寬保證定義QoS policy,將類和行為關(guān)聯(lián),并應(yīng)用到P設(shè)備的出接口P traffic behavior AF11P-behavior-AF11 queue af bandwidth pct 10 P-behavior-AF11 quitP traffic behavior AF21P-behavior-AF21 queue af bandwidth pct 20P-behavior-AF21 quitP traffic behavior AF31P-behavior-AF31 queue af bandwidth pct 30P-behavior-AF31 quitP traffic behavior EFP-behavior-EF queue ef bandwidth pct 40P-