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QosÊÇʲô£¬ÈôºÎÅäÖã¿

icon-time°ä²¼¹¦·ò£º2023-03-24
icon-seeµã»÷Á¿£º5042

QoSÖ°ÄܽéÉÜ

QoS£¨Quality of Service£¬·þÎñÖÊÁ¿£©¿ÉÄÜÂú×ãÓû§¶Ô·ÖÆçÀûÓÃ·ÖÆç·þÎñÖÊÁ¿µÄÒªÇó ¡£Æ¾¾ÝÓû§µÄÒªÇó·ÖÅäºÍµ÷¶È×ÊÔ´£¬¶Ô·ÖÆçµÄ±¨ÎÄÌṩ·ÖÆçµÄ·þÎñÖÊÁ¿ ¡£

ÔÚ´«Í³µÄIPÍøÂçÖУ¬É豸¶ÔËùÓеı¨ÎĶ¼Ñ¡È¡µÈͬ¶Ô´ý·½Ê½£¬ÒÀÕÕ±¨ÎÄ´ïµ½µÄ¹¦·òÏȺó£¬ÏÈÈëÏȳöµÄÁжÓÕ½Êõ£¨FIFO£©´¦Ö㬾¡×î´óµÄÖÂÁ¦£¨Best-Effort£©½«±¨ÎÄ´«Ë͵½Ö÷ÕŵØ ¡£µ±ÍøÂç´ø¿í·áÔ£µÄʱ³½£¬ËùÓеı¨ÎͼµÃµ½Á˽ϺõĴ¦Öã»¶øµ±ÍøÂç²úÉúÓµÈûµÄʱ³½£¬ËùÓеı¨ÎͼÓпÉÄܱ»Åׯú ¡£

QoSÕë¶ÔijÖÖÀà´ËÍⱨÎÄ£¬¿ÉÒÔΪËü¸³Óèij¸ö¼¶´ËÍâ´«ÊäÓÅÏȼ¶£¬±êʶËüµÄÏà¶Ô³ÁÒªÐÔ£¬²¢Ê¹ÓÃÉ豸ËùÌṩµÄ¸÷ÀàÓÅÏȼ¶×ª·¢Õ½Êõ¡¢ÓµÈûÔ¤·ÀµÈ»úÔìΪÕâЩ±¨ÎÄÌá¹©ÌØÊâµÄ´«Êä·þÎñ ¡£¶ÔʵʱÐÔÇ¿ÇÒ³ÁÒªµÄ±¨ÎÄÓÅÏÈ´¦Öã»¶ÔÓÚʵʱÐÔ²»Ç¿µÄͨ³£±¨ÎÄ£¬Ìṩ½ÏµÍµÄ´¦ÖÃÓÅÏȼ¶£¬ÍøÂçÓµÈûʱÉõÖÁÅׯú ¡£

QoSÔö³¤ÁËÍøÂç»úÄܵĿÉÔ¤ÖªÐÔ£¬²¢¿ÉÄÜÓÐЧµØ·ÖÅäÍøÂç´ø¿í£¬Ô½·¢ºÏÀíµØÀûÓÃÍøÂç×ÊÔ´ ¡£

µäÐÍÅäÖþÙÀý

1  ÅäÖýӿÚÏÞ¿ìºÍÓÅÏȼ¶³ÁÏóÕ÷

1.    ×éÍøÐèÒª

ijѧÌÃΪÁËÂú×ãÕý³£µÄ½²ÊÚÒµÎñ±ØÒª£¬ÒªÇóÂú×ãÒÔÏÂËĵãÐèÒª£º

l  ÏÞ¶ÈѧÌýӼûInternetµÄÁ÷Á¿Îª100Mbps£¬Åׯú³¬³öÏ޶ȵı¨ÎÄ ¡£

l  ÏÞ¶ÈËÞÉáÂ¥µÄ³ö¿ÚÁ÷Á¿Îª50Mbps£¬Åׯú³¬³öÏ޶ȵı¨ÎÄ ¡£

l  Ï޶ȳ¢ÊÔÂ¥·¢³öDSCPÓÅÏȼ¶Îª7µÄ±¨ÎĵĿìÂÊΪ20Mbps£¬½«¿ìÂʳ¬¹ý20MµÄ´ËÀ౨ÎÄÅׯú ¡£

l  Ï޶Ƚ²ÊÚÂ¥µÄ³ö¿ÚÁ÷Á¿Îª30Mbps£¬Åׯú³¬³öÏ޶ȵı¨ÎÄ ¡£

*     ×¢Ã÷

ijѧÌÃͨ¹ýDevice AµÄG0/24ÉÏÁªInternet£¬Device AµÄG0/1¡¢G0/2ºÍG0/3±ðÀëÏÂÁªµÄ½²ÊÚÂ¥(192.168.194.2~253/24)¡¢³¢ÊÔÂ¥(192.168.195.2~253/24)ºÍËÞÉáÂ¥(192.168.196.2~253/24) ¡£

 

2.    ×éÍøÍ¼

ͼ1-6     ½Ó¿ÚÏÞ¿ìºÍÓÅÏȼ¶³ÁÏóÕ÷ÀûÓó¡¾°

image021

 

3.    ÅäÖÃÖØµã

(1)   ¶ÔÓÚ³ö¿Ú½Ó¼ûInternet£¬ÔÚDevice A½Ó¿ÚG0/24ÉÏÅäÖýӿڵijö¿ÚÁ÷Á¿ÏÞ¶È£¬´ø¿íÏÞ¶ÈΪÿÃë102400KBits£¬Í»·¢Á÷Á¿ÏÞ¶ÈΪÿÃë256Kbytes ¡£

(2)   ¶ÔÓÚËÞÉáÂ¥£¬ÔÚDevice A½Ó¿ÚG0/3ÉÏÅäÖýӿڵÄÈë¿ÚÁ÷Á¿ÏÞ¶È£¬´ø¿íÏÞ¶ÈΪÿÃë51200KBits£¬Í»·¢Á÷Á¿ÏÞ¶ÈΪÿÃë256Kbytes ¡£

(3)   ¶ÔÓÚ½²ÊÚÂ¥£¬ÔÚDevice A½Ó¿ÚG0/1ÉÏÅäÖýӿڵÄÈë¿ÚÁ÷Á¿ÏÞ¶È£¬´ø¿íÏÞ¶ÈΪÿÃë30720KBits£¬Í»·¢Á÷Á¿ÏÞ¶ÈΪÿÃë256Kbytes ¡£

(4)   ¶ÔÓÚ³¢ÊÔÂ¥£¬´´½¨Ààcmap_dscp7Æ¥ÅäDSCPÓÅÏȼ¶7£¬´´½¨Õ½Êõpmap_shiyan£¬¹ØÁªcmap_dscp7£¬°ó¶¨Ê¢ÐÐΪ£¬½«¿ìÂʳ¬¹ý20MµÄ±¨ÎĵÄDSCPÖµ¸ÄΪ16£»½«pmap_shiyanÀûÓÃÔÚ½Ó¿ÚG0/2ÉÏ£¬²¢ÅäÖýӿÚÐÅÀµDSCP ¡£

4.    ÅäÖò½Öè

(1)   ÅäÖýӿÚIPµØÖ·£¨ÂÔ£© ¡£

(2)   ÅäÖýӿÚÏÞ¿ì ¡£

¶ÔÓÚ³ö¿Ú½Ó¼ûInternet£¬ÔÚ½Ó¿ÚG0/24ÉÏÅäÖýӿڵijö¿ÚÁ÷Á¿ÏÞ¶È ¡£

DeviceA> enable

DeviceA# configure terminal

DeviceA(config)# interface gigabitethernet 0/24

DeviceA(config-if-GigabitEthernet 0/24# rate-limit output 102400 256

DeviceA(config-if-GigabitEthernet 0/24)# exit

¶ÔÓÚËÞÉáÂ¥£¬ÔÚ½Ó¿ÚG0/3ÉÏÅäÖýӿڵÄÈë¿ÚÁ÷Á¿ÏÞ¶È ¡£

DeviceA(config)# interface gigabitethernet 0/3

DeviceA(config-if-GigabitEthernet 0/3# rate-limit input 51200 256

DeviceA(config-if-GigabitEthernet 0/3)# exit

¶ÔÓÚ½²ÊÚÂ¥£¬ÔÚ½Ó¿ÚG0/1ÉÏÅäÖýӿڵÄÈë¿ÚÁ÷Á¿ÏÞ¶È ¡£

DeviceA(config)# interface gigabitethernet 0/1

DeviceA(config-if-GigabitEthernet 0/1# rate-limit input 30720 256

DeviceA(config-if-GigabitEthernet 0/1)# exit

(3)   ÅäÖÃÁ÷·ÖÀà ¡£

¶ÔÓÚ³¢ÊÔÂ¥£¬ÅäÖÃÀ࣬ʢÐÐΪºÍÕ½Êõ ¡£

DeviceA(config)# class-map cmap_dscp7

DeviceA(config-cmap)# match ip dscp 7

DeviceA(config-cmap)# exit

DeviceA(config)# policy-map pmap_shiyan

DeviceA(config-pmap)# class cmap_dscp7

DeviceA(config-pmap-c)# police 20480 128 exceed-action drop

DeviceA(config-pmap-c)# exit

DeviceA(config-pmap)# exit

½«Õ½ÊõÀûÓõ½½Ó¿Ú£¬²¢ÅäÖýӿÚÐÅÀµDSCP ¡£

DeviceA(config)# interface gigabitethernet 0/2

DeviceA(config-if-GigabitEthernet 0/2# service-policy input pmap_shiyan

DeviceA(config-if-GigabitEthernet 0/2)# mls qos trust dscp

DeviceA(config-if-GigabitEthernet 0/2)# exit

5.    ÑéÖ¤ÅäÖÃÁ˾Ö

²é³­½Ó¿ÚÏÞ¿ìÅäÖÃÊÇ·ñ³É¹¦ ¡£

DeviceA# show mls qos rate-limit

Interface: GigabitEthernet 0/1

¡¡rate limit input Kbps = 30720 burst = 256

Interface: GigabitEthernet 0/3

¡¡rate limit input Kbps = 51200 burst = 256

Interface: GigabitEthernet 0/24

¡¡rate limit output Kbps = 102400 burst = 256

²é³­ÀàÊÇ·ñ´´½¨³É¹¦ ¡£

DeviceA# show class-map cmap_dscp7

 

 Class Map cmap_dscp7

¡¡ Match ip dscp 7

²é³­Õ½ÊõÊÇ·ñ´´½¨³É¹¦ ¡£

DeviceA# show policy-map pmap_shiyan

 

 Policy Map pmap_shiyan

¡¡¡¡Class cmap_dscp7

¡¡¡¡¡¡police 20480 128 exceed-action dscp 16

²é³­Õ½ÊõÊÇ·ñ³É¹¦ÀûÓÃÔÚ½Ó¿ÚÉÏ ¡£

DeviceA# show mls qos interface gigabitethernet 0/2

Interface: GigabitEthernet 0/2

Ratelimit input:

Ratelimit output:

Attached input¡¡policy-map: pmap_shiyan

Attached output policy-map:

Default trust: dscp

Default cos: 0

6.    ÅäÖÃÎļþ

Device AµÄÅäÖÃÎļþ

hostname DeviceA

!

class-map cmap_dscp7

 match ip dscp 7

!

policy-map pmap_shiyan

 class cmap_dscp7

¡¡police 20480 128 exceed-action drop

!

interface GigabitEthernet 0/1

 ip add 192.168.194.1 255.255.255.0

 rate-limit input 30720 256

!

interface GigabitEthernet 0/2

 ip add 192.168.195.1 255.255.255.0

 service-policy input pmap_shiyan

 mls qos trust dscp

!

interface GigabitEthernet 0/3

 ip add 192.168.196.1 255.255.255.0

 rate-limit input 51200 256

!

interface GigabitEthernet 0/24

 rate-limit output 102400 256

!

2  ÅäÖöÓÁе÷¶ÈºÍÓµÈûÔ¤·À

1.    ×éÍøÐèÒª

ÅäÖÃÓÅÏȼ¶³ÁÏóÕ÷ºÍ¶ÓÁе÷¶È£¬ÊµÏÖÏÂÊöÐèÒª£º

l  µ±Ñз¢²¿ºÍÊг¡²¿½Ó¼û·þÎñÆ÷ʱ£¬·þÎñÆ÷±¨ÎĵÄÓÅÏȼ¶Îª£ºÓʼþ·þÎñÆ÷>Îļþ·þÎñÆ÷>¹¤×ʲéÎÊ·þÎñÆ÷ ¡£

l  ÎÞÂÛÈËÊÂÖÎÀí²¿½Ó¼ûInternet»ò½Ó¼û·þÎñÆ÷£¬Device A¶¼ÓÅÏÈ´¦Öà ¡£

l  Device AÔÚÔËÐйý³ÌÖУ¬Ê±³£·¢ÏÖÍøÂçÓµÈû ¡£ÎªÁ˱£ÕÏÒµÎñ˳ÀûÔËÐУ¬ÒªÇóʹÓÃWRR¶ÓÁе÷¶È£¬¶ÔÑз¢²¿ºÍÊг¡²¿½Ó¼ûÓʼþÊý¾Ý¿â¡¢½Ó¼ûÎļþÊý¾Ý¿â¡¢½Ó¼û¹¤×ʲéÎÊÊý¾Ý¿âµÄIPÊý¾Ý±¨ÒÀÕÕ6£º2£º1µÄ±ÈÀýÀ´µ÷¶È ¡£

*     ×¢Ã÷

Ñз¢²¿(192.168.45.2~253/24)¡¢Êг¡²¿(192.168.46.2~253/24)ºÍÈËÊÂÖÎÀí²¿(192.168.47.2~253/24)±ðÀë½ÓÈëDevice AµÄ½Ó¿ÚG0/1¡¢G0/2ºÍG0/3£»¹¤×ʲéÎÊ·þÎñÆ÷(192.168.10.2/24)¡¢Óʼþ·þÎñÆ÷(192.168.10.3/24)ºÍÎļþ·þÎñÆ÷(192.168.10.4/24)ÏνÓÔÚDevice AµÄ½Ó¿ÚG0/23 ¡£

 

2.    ×éÍøÍ¼

ͼ1-7     ¶ÓÁе÷¶ÈºÍÓµÈûÔ¤·ÀÀûÓó¡¾°

image023

 

3.    ÅäÖÃÖØµã

(1)   ÔÚDevice AÉÏ´´½¨½Ó¼û¸÷Àà·þÎñÆ÷µÄACL£¬²¢´´½¨ÀàÆ¥ÅäÕâЩACL ¡£

(2)   ´´½¨Õ½Êõ£¬¹ØÁª¸÷¸öÀ࣬Ϊ½Ó¼û¸÷Àà·þÎñÆ÷µÄ±¨ÎijÁÐÂÖ¸¶¨802.1p ¡£½Ó¼ûÓʼþ·þÎñÆ÷µÄ±¨ÎijÁÐÂÖ¸¶¨802.1pΪ4£¬½Ó¼ûÎļþ·þÎñÆ÷µÄ±¨ÎijÁÐÂÖ¸¶¨802.1pΪ3£¬½Ó¼û¹¤×ʲéÎÊ·þÎñÆ÷µÄ±¨ÎijÁÐÂÔì¶©802.1pΪ2 ¡£²¢½«Æä¹ØÁªµ½Ñз¢²¿ºÍÊг¡²¿µÄÈë¿ÚÉÏ£¬ÅäÖýӿÚÐÅÀµ802.1p ¡£

(3)   ÅäÖÃÈËÊÂÖÎÀí²¿½Ó¿ÚµÄ802.1pΪ×î¸ßÓÅÏȼ¶7£¬ÓÅÏȱ£ÏÕÈËʲ¿·¢³öµÄ±¨ÎÄ ¡£

(4)   ÅäÖöÓÁеÄÊä³öµ÷¶ÈÕ½ÊõΪWRR£¬ÂÖתȨ³ÁΪ1:1:1:2:6:1:1:0£¬¼´¶ÔÈËÊÂÖÎÀí²¿±¨Îij¢ÊÔSPµ÷¶È£¬¶ÔÑз¢²¿ÓëÊг¡²¿½Ó¼ûÓʼþÊý¾Ý¿â¡¢ÎļþÊý¾Ý¿â¡¢¹¤×ʲéÎÊÊý¾Ý¿âµÄ±¨ÎÄÒÀÕÕ6£º2£º1µÄ±ÈÀýÀ´µ÷¶È ¡£

(5)   ¿ªÆôWREDÖ°ÄÜ ¡£

(6)   ÅäÖýӿÚG0/2¶ÓÁÐ2µÄµÍÃÅÏÞΪ10 20 ¡£

(7)   ÅäÖýӿÚG0/2¶ÓÁÐ2µÄ¸ßÃÅÏÞΪ60 90 ¡£

(8)   ÅäÖýӿÚG0/2¶ÓÁÐ2µÄ×î´óÅׯú¸ÅÂÊ60 80 ¡£

4.    ÅäÖò½Öè

(1)   ÔÚDevice AÉÏÅäÖýӼû¸÷Àà·þÎñÆ÷µÄACLºÍ¶ÔÓ¦¹æ¶¨ ¡£

ÅäÖýӼû¹¤×ʲéÎÊ·þÎñÆ÷µÄACLºÍ¶ÔÓ¦¹æ¶¨ ¡£

DeviceA> enable

DeviceA# configure terminal

DeviceA(config)# ip access-list extended salary

DeviceA(config-ext-nacl)# permit ip any host 192.168.10.2

DeviceA(config-ext-nacl)# exit

ÅäÖýӼûÓʼþ·þÎñÆ÷µÄACLºÍ¶ÔÓ¦¹æ¶¨ ¡£

DeviceA(config)# ip access-list extended mail

DeviceA(config-ext-nacl)# permit ip any host 192.168.10.3

DeviceA(config-ext-nacl)# exit

ÅäÖýӼûÎļþ·þÎñÆ÷µÄACLºÍ¶ÔÓ¦¹æ¶¨ ¡£

DeviceA(config)# ip access-list extended file

DeviceA(config-ext-nacl)# permit ip any host 192.168.10.4

DeviceA(config-ext-nacl)# exit

(2)   ÔÚDevice AÉÏÅäÖÃÀà ¡£

½«ÀàsalaryºÍÔÊÐí½Ó¼û¹¤×ʲéÎÊ·þÎñÆ÷µÄACL¹æ¶¨¹ØÁªÆðÀ´ ¡£

DeviceA(config)# class-map salary

DeviceA(config-cmap)# match access-group salary

DeviceA(config-cmap)# exit

½«ÀàmailºÍÔÊÐí½Ó¼ûÓʼþ·þÎñÆ÷µÄACL¹æ¶¨¹ØÁªÆðÀ´ ¡£

DeviceA(config)# class-map mail

DeviceA(config-cmap)# match access-group mail

DeviceA(config-cmap)# exit

½«ÀàfileºÍÔÊÐí½Ó¼ûÎļþ·þÎñÆ÷µÄACL¹æ¶¨¹ØÁªÆðÀ´ ¡£

DeviceA(config)# class-map file

DeviceA(config-cmap)# match access-group file

DeviceA(config-cmap)# exit

(3)   ÔÚDevice AÉÏÅäÖÃÕ½Êõ ¡£

ÅäÖýӼû·þÎñÆ÷µÄÕ½Êõtoserver ¡£

DeviceA(config)# policy-map toserver

DeviceA(config-pmap)#

½«ÀàsalaryºÍ¶ÔÓ¦µÄÊ¢ÐÐΪ¹ØÁªÆðÀ´ ¡£

DeviceA(config-pmap)# class salary

DeviceA(config-pmap-c)# set cos 2

DeviceA(config-pmap-c)# exit

½«ÀàmailºÍ¶ÔÓ¦µÄÊ¢ÐÐΪ¹ØÁªÆðÀ´ ¡£

DeviceA(config-pmap)# class mail

DeviceA(config-pmap-c)# set cos 4

DeviceA(config-pmap-c)# exit

½«ÀàfileºÍ¶ÔÓ¦µÄÊ¢ÐÐΪ¹ØÁªÆðÀ´ ¡£

DeviceA(config-pmap)# class file

DeviceA(config-pmap-c)# set cos 3

DeviceA(config-pmap-c)# exit

DeviceA(config-cmap)# exit

(4)   ÔÚDevice AÉÏÀûÓÃÕ½Êõ ¡£

ÔÚ½ÓÈëÑз¢²¿µÄ½Ó¿ÚÉÏÀûÓÃÕ½Êõ ¡£

DeviceA(config)# interface gigabitethernet 0/1

DeviceA(config-if-GigabitEthernet 0/1)# service-policy input toserver

DeviceA(config-if-GigabitEthernet 0/1)# mls qos trust cos

DeviceA(config-if-GigabitEthernet 0/1)# exit

ÔÚ½ÓÈëÊг¡²¿µÄ½Ó¿ÚÉÏÀûÓÃÕ½Êõ ¡£

DeviceA(config)# interface gigabitethernet 0/2

DeviceA(config-if-GigabitEthernet 0/2)# service-policy input toserver

DeviceA(config-if-GigabitEthernet 0/2)# mls qos trust cos

DeviceA(config-if-GigabitEthernet 0/2)# exit

(5)   ÔÚDevice AÉÏÅäÖýӿڵÄ802.1p ¡£

ÅäÖÃÈËÊÂÖÎÀí²¿½Ó¿ÚµÄ802.1pΪ×î¸ßÓÅÏȼ¶ ¡£

DeviceA(config)# interface gigabitethernet 0/3

DeviceA(config-if-GigabitEthernet 0/3)# mls qos cos 7

DeviceA(config-if-GigabitEthernet 0/3)# exit

(6)   ÔÚDevice AÉÏÅäÖöÓÁеÄÊä³öµ÷¶ÈÕ½Êõ ¡£

ÅäÖöÓÁеÄÊä³öµ÷¶ÈÕ½ÊõΪWRR ¡£

DeviceA(config)# wrr-queue bandwidth 1 1 1 2 6 1 1 0

DeviceA(config)# mls qos scheduler wrr

(7)   ÔÚDevice AÉÏÅäÖÃÓµÈûÔ¤·À ¡£

¿ªÆôWREDÖ°ÄÜ ¡£

DeviceA(config)# queueing wred

ÅäÖð¼Í¹ÃÅÏÞºÍ×î´óÅׯú¸ÅÂÊ ¡£

DeviceA(config)# interface gigabitethernet 0/2

DeviceA(config-if-GigabitEthernet 0/2)# wrr-queue random-detect min-threshold 2 10 20

DeviceA(config-if-GigabitEthernet 0/2)# wrr-queue random-detect max-threshold 2 60 90

DeviceA(config-if-GigabitEthernet 0/2)# wrr-queue random-detect probability 2 60 80

ÅäÖÃÄÚ²¿·þÎñÀà±ðÓëÃÅÏÞµÄÓ³Éä ¡£

DeviceA(config-if-GigabitEthernet 0/2)# wrr-queue cos-map 2 0 1 2 3

DeviceA(config-if-GigabitEthernet 0/2)# exit

5.    ÑéÖ¤ÅäÖÃÁ˾Ö

²é³­ACLÊÇ·ñ´´½¨³É¹¦ ¡£

DeviceA# show access-lists

 

ip access-list extended file

 10 permit ip any host 192.168.10.4

 

ip access-list extended mail

 10 permit ip any host 192.168.10.3

 

ip access-list extended salary

 10 permit ip any host 192.168.10.2

²é³­ÀàÊÇ·ñ³É¹¦¹ØÁªACL ¡£

DeviceA# show class-map

 

 Class Map salary

¡¡ Match access-group salary

 Class Map mail

¡¡ Match access-group mail

 Class Map file

¡¡ Match access-group file

²é³­Õ½ÊõÊÇ·ñ´´½¨³É¹¦£¬ÀàÓëÊ¢ÐÐΪÊÇ·ñ°ó¶¨³É¹¦ ¡£

DeviceA# show policy-map

 

 Policy Map toserver

¡¡¡¡Class mail

¡¡¡¡¡¡set cos 4

¡¡¡¡Class file

¡¡¡¡¡¡set cos 3

¡¡¡¡Class salary

¡¡¡¡¡¡set cos 2

²é³­Õ½ÊõÊÇ·ñ³É¹¦ÀûÓÃÔÚ½Ó¿ÚGigabitEthernet 0/1ÉÏ ¡£

DeviceA# show mls qos interface gigabitethernet 0/1

Interface: GigabitEthernet 0/1

Ratelimit input:

Ratelimit output:

Attached input¡¡policy-map: toserver

Attached output policy-map:

Default trust: cos

Default cos: 0

²é³­Õ½ÊõÊÇ·ñ³É¹¦ÀûÓÃÔÚ½Ó¿ÚGigabitEthernet 0/2ÉÏ ¡£

DeviceA# show mls qos interface gigabitethernet 0/2

Interface: GigabitEthernet 0/2

Ratelimit input:

Ratelimit output:

Attached input¡¡policy-map: toserver

Attached output policy-map:

Default trust: cos

Default cos: 0

²é³­Õ½ÊõÊÇ·ñ³É¹¦ÀûÓÃÔÚ½Ó¿ÚGigabitEthernet 0/3ÉÏ ¡£

DeviceA# show mls qos interface gigabitethernet 0/3

Interface: GigabitEthernet 0/3

Ratelimit input:

Ratelimit output:

Attached input¡¡policy-map:

Attached output policy-map:

Default trust: none

Default cos: 7

²é³­½Ó¿ÚµÄ802.1pÊÇ·ñÅäÖóɹ¦£¬µ÷¶ÈÕ½ÊõÓëÂÖתȨ³ÁÊÇ·ñÅäÖóɹ¦ ¡£

DeviceA# show mls qos queueing

Cos-queue map:

cos qid

--- ---

0¡¡ 1

1¡¡ 2

2¡¡ 3

3¡¡ 4

4¡¡ 5

5¡¡ 6

6¡¡ 7

7¡¡ 8

 

wrr bandwidth weights:

qid weights

--- -------

1¡¡ 1

2¡¡ 1

3¡¡ 1

4¡¡ 2

5¡¡ 6

6¡¡ 1

7¡¡ 1

8¡¡ 0

 

drr bandwidth weights:

qid weights

--- -------

1¡¡ 1

2¡¡ 1

3¡¡ 1

4¡¡ 1

5¡¡ 1

6¡¡ 1

7¡¡ 1

8¡¡ 1

 

wfq bandwidth weights:

qid weights

--- -------

1¡¡ 1

2¡¡ 1

3¡¡ 1

4¡¡ 1

5¡¡ 1

6¡¡ 1

7¡¡ 1

8¡¡ 1

6.    ÅäÖÃÎļþ

Device AµÄÅäÖÃÎļþ

hostname DeviceA

!

wrr-queue bandwidth 1 1 1 2 6 1 1 0

queueing wred

wrr-queue cos-map 2 0 1 2 3

!

class-map salary

 match access-group salary

class-map mail

 match access-group mail

class-map file

 match access-group file

!

policy-map toserver

 class salary

¡¡set cos 2

 class mail

¡¡set cos 4

 class file

¡¡set cos 3

!

interface GigabitEthernet 0/1

 ip add 192.168.45.1 255.255.255.0

 service-policy input toserver

 mls qos trust cos

!

interface GigabitEthernet 0/2

 ip add 192.168.46.1 255.255.255.0

 wrr-queue random-detect min-threshold 2 10 20

 service-policy input toserver

 mls qos trust cos

!

interface GigabitEthernet 0/3

 ip add 192.168.47.1 255.255.255.0

 mls qos cos 7

!

 

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