차등화 된 서비스를 제공하기 위해 서비스 별로 분류하여 마킹을 진행.

셋팅

ip access-list extended acl-ftp

 permit tcp host 192.168.2.1 eq ftp-data any

 permit tcp host 192.168.2.1 eq ftp any

!

class-map match-any ftp

 match access-group name acl-ftp

!

policy-map kong

 class ftp

  set precedence 3

interface FastEthernet0/1

 switchport trunk encapsulation dot1q

 switchport mode trunk

 service-policy input kong

!

interface FastEthernet0/2

 switchport trunk encapsulation dot1q

 switchport mode trunk

 service-policy input kong

interface Port-channel 1

 switchport trunk encapsulation dot1q

 switchport mode trunk

결과값

HQ_SE_2F_L3_1#show mls qos

QoS is enabled

Differentiated Services Field: 0x60 (DSCP: CS3, ECN: Not-ECT)

0110 00.. = Differentiated Services Codepoint: Class Selector 3 (24)

.... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)

HQ_SE_2F_L3_1#

show policy-map interface f0/1-2

 FastEthernet0/1

  Service-policy input: kong

 Class-map: ftp (match-any)

   0 packets, 0 bytes

   5 minute offered rate 0 bps,

   Match: access-group acl-ftp

     0 packets, 0 bytes

     5 minute rate 0 bps

정상작동 테스트 (재분류)

Service-policy input: kong

   Class-map: reftp (match-any)

     958955 packets, 959638048 bytes

     5 minute offered rate 16591000 bps, drop rate 0 bps

     Match: ip precedence 3

       958954 packets, 959638048 bytes

       5 minute rate 16591000 bps

     QoS Set

       precedence 4

         Packets marked 958965

0110 00.. = Differentiated Services Codepoint:

Class Selector 4 (24)

(Port-Channel 1)

HQ_SE_2F_L3_1(config-if)#service-policy input kong

QoS: policymap is not supported on virtual interfaces

Service Policy attachment failed