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class-map match-any ClassAF1
match ip access-group AF1-FB1 set-ip-dscp 10
match ip access-group AF1-FB2 set-ip-dscp 12
match ip dscp 10 set-ip-dscp 14
match ipv6 dscp 20 set-ip-dscp 14
!
class-map match-all ClassAF2
match ip access-group AF2
match ip dscp 18
Dell#show running-config ACL
!
ip access-list extended AF1-FB1
seq 5 permit ip host 23.64.0.2 any
seq 10 deny ip any any
!
ip access-list extended AF1-FB2
seq 5 permit ip host 23.64.0.3 any
seq 10 deny ip any any
!
ip access-list extended AF2
seq 5 permit ip host 23.64.0.5 any
seq 10 deny ip any any
Dell# show cam layer3-qos interface tengigabitethernet 2/49
Cam Port Dscp Proto Tcp Src Dst SrcIp DstIp DSCP Queue
Index Flag Port Port Marking
-----------------------------------------------------------------------
20416 1 18 IP 0x0 0 0 23.64.0.5/32 0.0.0.0/0 20 2
20417 1 18 IP 0x0 0 0 0.0.0.0/0 0.0.0.0/0 - 0
20418 1 0 IP 0x0 0 0 23.64.0.2/32 0.0.0.0/0 10 1
20419 1 0 IP 0x0 0 0 0.0.0.0/0 0.0.0.0/0 - 0
20420 1 0 IP 0x0 0 0 23.64.0.3/32 0.0.0.0/0 12 1
20421 1 0 IP 0x0 0 0 0.0.0.0/0 0.0.0.0/0 - 0
20422 1 10 0 0x0 0 0 0.0.0.0/0 0.0.0.0/0 14 1
24511 1 0 0 0x0 0 0 0.0.0.0/0 0.0.0.0/0 - 0
In the previous example, the ClassAF1 does not classify traffic as intended. Traffic matching the first
match criteria is classified to Queue 1, but all other traffic is classified to Queue 0 as a result of CAM entry
20419.
When you remove the explicit “deny any” rule from all three ACLs, the CAM reflects exactly the desired
classification.
The following example shows correct traffic classifications.
Dell#show cam layer3-qos interface tengigabitethernet 2/49
Cam Port Dscp Proto Tcp Src Dst SrcIp DstIp DSCP Queue
Index Flag Port Port Marking
-------------------------------------------------------------------------
20416 1 18 IP 0x0 0 0 23.64.0.5/32 0.0.0.0/0 20 2
20417 1 0 IP 0x0 0 0 23.64.0.2/32 0.0.0.0/0 10 1
20418 1 0 IP 0x0 0 0 23.64.0.3/32 0.0.0.0/0 12 1
20419 1 10 0 0x0 0 0 0.0.0.0/0 0.0.0.0/0 14 1
24511 1 0 0 0x0 0 0 0.0.0.0/0 0.0.0.0/0 - 0
Quality of Service (QoS)
727