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·¢²¼Ê±¼ä£º2023-03-24
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QoS¹¦ÄܽéÉÜ

QoS£¨Quality of Service£¬·þÎñÖÊÁ¿£©Äܹ»Âú×ãÓû§¶Ô²»Í¬Ó¦Óò»Í¬·þÎñÖÊÁ¿µÄÒªÇ󡣸ù¾ÝÓû§µÄÒªÇó·ÖÅäºÍµ÷¶È×ÊÔ´£¬¶Ô²»Í¬µÄ±¨ÎÄÌṩ²»Í¬µÄ·þÎñÖÊÁ¿¡£

ÔÚ´«Í³µÄIPÍøÂçÖУ¬É豸¶ÔËùÓеı¨Îͼ²ÉÓõÈͬ¶Ô´ý·½Ê½£¬°´ÕÕ±¨Îĵ½´ïµÄʱ¼äÏȺó£¬ÏÈÈëÏȳöµÄÅŶӲßÂÔ£¨FIFO£©´¦Àí£¬¾¡×î´óµÄŬÁ¦£¨Best-Effort£©½«±¨ÎÄ´«Ë͵½Ä¿µÄµØ¡£µ±ÍøÂç´ø¿í³äÔ£µÄʱºò£¬ËùÓеı¨ÎͼµÃµ½Á˽ϺõĴ¦Àí£»¶øµ±ÍøÂç·¢ÉúÓµÈûµÄʱºò£¬ËùÓеı¨ÎͼÓпÉÄܱ»¶ªÆú¡£

QoSÕë¶ÔijÖÖÀà±ðµÄ±¨ÎÄ£¬¿ÉÒÔΪËü¸³Óèij¸ö¼¶±ðµÄ´«ÊäÓÅÏȼ¶£¬±êʶËüµÄÏà¶ÔÖØÒªÐÔ£¬²¢Ê¹ÓÃÉ豸ËùÌṩµÄ¸÷ÖÖÓÅÏȼ¶×ª·¢²ßÂÔ¡¢ÓµÈû±ÜÃâµÈ»úÖÆÎªÕâЩ±¨ÎÄÌá¹©ÌØÊâµÄ´«Êä·þÎñ¡£¶ÔʵʱÐÔÇ¿ÇÒÖØÒªµÄ±¨ÎÄÓÅÏÈ´¦Àí£»¶ÔÓÚʵʱÐÔ²»Ç¿µÄÆÕͨ±¨ÎÄ£¬Ìṩ½ÏµÍµÄ´¦ÀíÓÅÏȼ¶£¬ÍøÂçÓµÈûʱÉõÖÁ¶ªÆú¡£

QoSÔö¼ÓÁËÍøÂçÐÔÄܵĿÉÔ¤ÖªÐÔ£¬²¢Äܹ»ÓÐЧµØ·ÖÅäÍøÂç´ø¿í£¬¸ü¼ÓºÏÀíµØÀûÓÃÍøÂç×ÊÔ´¡£

µäÐÍÅäÖþÙÀý

1  ÅäÖýӿÚÏÞËÙºÍÓÅÏȼ¶Öرê¼Ç

1.    ×éÍøÐèÇó

ijѧУΪÁËÂú×ãÕý³£µÄ½ÌѧҵÎñÐèÒª£¬ÒªÇóÂú×ãÒÔÏÂËĵãÐèÇó£º

l  ÏÞÖÆÑ§Ð£·ÃÎÊInternetµÄÁ÷Á¿Îª100Mbps£¬¶ªÆú³¬³öÏÞÖÆµÄ±¨ÎÄ¡£

l  ÏÞÖÆËÞÉáÂ¥µÄ³ö¿ÚÁ÷Á¿Îª50Mbps£¬¶ªÆú³¬³öÏÞÖÆµÄ±¨ÎÄ¡£

l  ÏÞÖÆÊµÑéÂ¥·¢³öDSCPÓÅÏȼ¶Îª7µÄ±¨ÎĵÄËÙÂÊΪ20Mbps£¬½«ËÙÂʳ¬¹ý20MµÄ´ËÀ౨ÎĶªÆú¡£

l  ÏÞÖÆ½Ìѧ¥µÄ³ö¿ÚÁ÷Á¿Îª30Mbps£¬¶ªÆú³¬³öÏÞÖÆµÄ±¨ÎÄ¡£

*     ËµÃ÷

ijѧУͨ¹ýDevice AµÄG0/24ÉÏÁªInternet£¬Device AµÄG0/1¡¢G0/2ºÍG0/3·Ö±ðÏÂÁªµÄ½Ìѧ¥(192.168.194.2~253/24)¡¢ÊµÑéÂ¥(192.168.195.2~253/24)ºÍËÞÉáÂ¥(192.168.196.2~253/24)¡£

 

2.    ×éÍøÍ¼

ͼ1-6     ½Ó¿ÚÏÞËÙºÍÓÅÏȼ¶Öرê¼ÇÓ¦Óó¡¾°

 

3.    ÅäÖÃÒªµã

(1)   ¶ÔÓÚ³ö¿Ú·ÃÎÊInternet£¬ÔÚDevice A½Ó¿ÚG0/24ÉÏÅäÖýӿڵijö¿ÚÁ÷Á¿ÏÞÖÆ£¬´ø¿íÏÞÖÆÎªÃ¿Ãë102400KBits£¬Í»·¢Á÷Á¿ÏÞÖÆÎªÃ¿Ãë256Kbytes¡£

(2)   ¶ÔÓÚËÞÉáÂ¥£¬ÔÚDevice A½Ó¿ÚG0/3ÉÏÅäÖýӿڵÄÈë¿ÚÁ÷Á¿ÏÞÖÆ£¬´ø¿íÏÞÖÆÎªÃ¿Ãë51200KBits£¬Í»·¢Á÷Á¿ÏÞÖÆÎªÃ¿Ãë256Kbytes¡£

(3)   ¶ÔÓÚ½Ìѧ¥£¬ÔÚDevice A½Ó¿ÚG0/1ÉÏÅäÖýӿڵÄÈë¿ÚÁ÷Á¿ÏÞÖÆ£¬´ø¿íÏÞÖÆÎªÃ¿Ãë30720KBits£¬Í»·¢Á÷Á¿ÏÞÖÆÎªÃ¿Ãë256Kbytes¡£

(4)   ¶ÔÓÚʵÑéÂ¥£¬´´½¨Ààcmap_dscp7Æ¥ÅäDSCPÓÅÏȼ¶7£¬´´½¨²ßÂÔpmap_shiyan£¬¹ØÁªcmap_dscp7£¬°ó¶¨Á÷ÐÐΪ£¬½«Ëٶȳ¬¹ý20MµÄ±¨ÎĵÄDSCPÖµ¸ÄΪ16£»½«pmap_shiyanÓ¦ÓÃÔÚ½Ó¿ÚG0/2ÉÏ£¬²¢ÅäÖýӿÚÐÅÈÎDSCP¡£

4.    ÅäÖò½Öè

(1)   ÅäÖýӿÚIPµØÖ·£¨ÂÔ£©¡£

(2)   ÅäÖýӿÚÏÞËÙ¡£

¶ÔÓÚ³ö¿Ú·ÃÎÊInternet£¬ÔÚ½Ó¿ÚG0/24ÉÏÅäÖýӿڵijö¿ÚÁ÷Á¿ÏÞÖÆ¡£

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¿ÏÞÖÆ¡£

DeviceA(config)# interface gigabitethernet 0/3

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

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

¶ÔÓÚ½Ìѧ¥£¬ÔÚ½Ó¿ÚG0/1ÉÏÅäÖýӿڵÄÈë¿ÚÁ÷Á¿ÏÞÖÆ¡£

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¡£

¶ÔÓÚʵÑéÂ¥£¬ÅäÖÃÀ࣬Á÷ÐÐΪºÍ²ßÂÔ¡£

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«²ßÂÔÓ¦Óõ½½Ó¿Ú£¬²¢ÅäÖýӿÚÐÅÈÎDSCP¡£

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¤ÅäÖýá¹û

¼ì²é½Ó¿ÚÏÞËÙÅäÖÃÊÇ·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

¼ì²éÀàÊÇ·ñ´´½¨³É¹¦¡£

DeviceA# show class-map cmap_dscp7

 

 Class Map cmap_dscp7

¡¡ Match ip dscp 7

¼ì²é²ßÂÔÊÇ·ñ´´½¨³É¹¦¡£

DeviceA# show policy-map pmap_shiyan

 

 Policy Map pmap_shiyan

¡¡¡¡Class cmap_dscp7

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

¼ì²é²ßÂÔÊÇ·ñ³É¹¦Ó¦ÓÃÔÚ½Ó¿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÷¶ÈºÍÓµÈû±ÜÃâ

1.    ×éÍøÐèÇó

ÅäÖÃÓÅÏȼ¶Öرê¼ÇºÍ¶ÓÁе÷¶È£¬ÊµÏÖÏÂÊöÐèÇó£º

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

l  ÎÞÂÛÈËʹÜÀí²¿·ÃÎÊInternet»ò·ÃÎÊ·þÎñÆ÷£¬Device A¶¼ÓÅÏÈ´¦Àí¡£

l  Device AÔÚÔËÐйý³ÌÖУ¬Ê±³£·¢ÏÖÍøÂçÓµÈû¡£ÎªÁ˱£Ö¤ÒµÎñ˳ÀûÔËת£¬ÒªÇóʹÓÃWRR¶ÓÁе÷¶È£¬¶ÔÑз¢²¿ºÍÊг¡²¿·ÃÎÊÓʼþÊý¾Ý¿â¡¢·ÃÎÊÎļþÊý¾Ý¿â¡¢·ÃÎʹ¤×ʲéѯÊý¾Ý¿âµÄIPÊý¾Ý±¨°´ÕÕ6£º2£º1µÄ±ÈÀýÀ´µ÷¶È¡£

*     ËµÃ÷

Ñз¢²¿(192.168.45.2~253/24)¡¢Êг¡²¿(192.168.46.2~253/24)ºÍÈËʹÜÀí²¿(192.168.47.2~253/24)·Ö±ð½ÓÈëDevice AµÄ½Ó¿ÚG0/1¡¢G0/2ºÍG0/3£»¹¤×ʲéѯ·þÎñÆ÷(192.168.10.2/24)¡¢Óʼþ·þÎñÆ÷(192.168.10.3/24)ºÍÎļþ·þÎñÆ÷(192.168.10.4/24)Á¬½ÓÔÚDevice AµÄ½Ó¿ÚG0/23¡£

 

2.    ×éÍøÍ¼

ͼ1-7     ¶ÓÁе÷¶ÈºÍÓµÈû±ÜÃâÓ¦Óó¡¾°

 

3.    ÅäÖÃÒªµã

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

(2)   ´´½¨²ßÂÔ£¬¹ØÁª¸÷¸öÀ࣬Ϊ·ÃÎʸ÷Àà·þÎñÆ÷µÄ±¨ÎÄÖØÐÂÖ¸¶¨802.1p¡£·ÃÎÊÓʼþ·þÎñÆ÷µÄ±¨ÎÄÖØÐÂÖ¸¶¨802.1pΪ4£¬·ÃÎÊÎļþ·þÎñÆ÷µÄ±¨ÎÄÖØÐÂÖ¸¶¨802.1pΪ3£¬·ÃÎʹ¤×ʲéѯ·þÎñÆ÷µÄ±¨ÎÄÖØÐÂÖÆ¶¨802.1pΪ2¡£²¢½«Æä¹ØÁªµ½Ñз¢²¿ºÍÊг¡²¿µÄÈë¿ÚÉÏ£¬ÅäÖýӿÚÐÅÈÎ802.1p¡£

(3)   ÅäÖÃÈËʹÜÀí²¿½Ó¿ÚµÄ802.1pΪ×î¸ßÓÅÏȼ¶7£¬ÓÅÏȱ£ÕÏÈËʲ¿·¢³öµÄ±¨ÎÄ¡£

(4)   ÅäÖöÓÁеÄÊä³öµ÷¶È²ßÂÔΪWRR£¬ÂÖ×ªÈ¨ÖØÎª1:1:1:2:6:1:1:0£¬¼´¶ÔÈËʹÜÀí²¿±¨ÎÄʵÐÐSPµ÷¶È£¬¶ÔÑз¢²¿ÓëÊг¡²¿·ÃÎÊÓʼþÊý¾Ý¿â¡¢ÎļþÊý¾Ý¿â¡¢¹¤×ʲéѯÊý¾Ý¿âµÄ±¨Îİ´ÕÕ6£º2£º1µÄ±ÈÀýÀ´µ÷¶È¡£

(5)   ¿ªÆôWRED¹¦ÄÜ¡£

(6)   ÅäÖýӿÚG0/2¶ÓÁÐ2µÄµÍÃÅÏÞΪ10 20¡£

(7)   ÅäÖýӿÚG0/2¶ÓÁÐ2µÄ¸ßÃÅÏÞΪ60 90¡£

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

4.    ÅäÖò½Öè

(1)   ÔÚDevice AÉÏÅäÖ÷ÃÎʸ÷Àà·þÎñÆ÷µÄACLºÍ¶ÔÓ¦¹æÔò¡£

ÅäÖ÷ÃÎʹ¤×ʲéѯ·þÎñÆ÷µÄACLºÍ¶ÔÓ¦¹æÔò¡£

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

ÅäÖ÷ÃÎÊÓʼþ·þÎñÆ÷µÄACLºÍ¶ÔÓ¦¹æÔò¡£

DeviceA(config)# ip access-list extended mail

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

DeviceA(config-ext-nacl)# exit

ÅäÖ÷ÃÎÊÎļþ·þÎñÆ÷µÄACLºÍ¶ÔÓ¦¹æÔò¡£

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«ÀàsalaryºÍÔÊÐí·ÃÎʹ¤×ʲéѯ·þÎñÆ÷µÄACL¹æÔò¹ØÁªÆðÀ´¡£

DeviceA(config)# class-map salary

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

DeviceA(config-cmap)# exit

½«ÀàmailºÍÔÊÐí·ÃÎÊÓʼþ·þÎñÆ÷µÄACL¹æÔò¹ØÁªÆðÀ´¡£

DeviceA(config)# class-map mail

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

DeviceA(config-cmap)# exit

½«ÀàfileºÍÔÊÐí·ÃÎÊÎļþ·þÎñÆ÷µÄACL¹æÔò¹ØÁªÆðÀ´¡£

DeviceA(config)# class-map file

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

DeviceA(config-cmap)# exit

(3)   ÔÚDevice AÉÏÅäÖòßÂÔ¡£

ÅäÖ÷ÃÎÊ·þÎñÆ÷µÄ²ßÂÔtoserver¡£

DeviceA(config)# policy-map toserver

DeviceA(config-pmap)#

½«ÀàsalaryºÍ¶ÔÓ¦µÄÁ÷ÐÐΪ¹ØÁªÆðÀ´¡£

DeviceA(config-pmap)# class salary

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

DeviceA(config-pmap-c)# exit

½«ÀàmailºÍ¶ÔÓ¦µÄÁ÷ÐÐΪ¹ØÁªÆðÀ´¡£

DeviceA(config-pmap)# class mail

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

DeviceA(config-pmap-c)# exit

½«ÀàfileºÍ¶ÔÓ¦µÄÁ÷ÐÐΪ¹ØÁªÆðÀ´¡£

DeviceA(config-pmap)# class file

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

DeviceA(config-pmap-c)# exit

DeviceA(config-cmap)# exit

(4)   ÔÚDevice AÉÏÓ¦ÓòßÂÔ¡£

ÔÚ½ÓÈëÑз¢²¿µÄ½Ó¿ÚÉÏÓ¦ÓòßÂÔ¡£

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¿ÚÉÏÓ¦ÓòßÂÔ¡£

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¡£

ÅäÖÃÈËʹÜÀí²¿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÷¶È²ßÂÔ¡£

ÅäÖöÓÁеÄÊä³öµ÷¶È²ßÂÔΪWRR¡£

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

DeviceA(config)# mls qos scheduler wrr

(7)   ÔÚDevice AÉÏÅäÖÃÓµÈû±ÜÃâ¡£

¿ªÆôWRED¹¦ÄÜ¡£

DeviceA(config)# queueing wred

ÅäÖøߵÍÃÅÏÞºÍ×î´ó¶ªÆú¸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¤ÅäÖýá¹û

¼ì²éACLÊÇ·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

¼ì²éÀàÊÇ·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

¼ì²é²ßÂÔÊÇ·ñ´´½¨³É¹¦£¬ÀàÓëÁ÷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

¼ì²é²ßÂÔÊÇ·ñ³É¹¦Ó¦ÓÃÔÚ½Ó¿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

¼ì²é²ßÂÔÊÇ·ñ³É¹¦Ó¦ÓÃÔÚ½Ó¿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

¼ì²é²ßÂÔÊÇ·ñ³É¹¦Ó¦ÓÃÔÚ½Ó¿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

¼ì²é½Ó¿ÚµÄ802.1pÊÇ·ñÅäÖóɹ¦£¬µ÷¶È²ßÂÔÓëÂÖ×ªÈ¨ÖØÊÇ·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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