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David Woolfe
Beginner

Per-vlan QoS on Q-in-Q subinterfaces

Hi

Can anyone help with how I can do the following please?

I want to apply per-vlan QoS at either an ASR1000 router or a 4948 switch.

There’a a 100MB fibre from the remote CPE on a Supplier VLAN (S-LAN) carrying multiple inner Q-in-Q customer VLANs (C-LANs).

 

Although only one of the C-LANs carries voice, I need to apply QoS to prioritise and guarantee voice a percentage of the total S-LAN bandwidth. As such, I need to ensure that if QoS is applied to the S-LAN, then it’s applied to the aggregate bandwidth from all inner C-LANs.

 

According to Cisco documentation, I cannot apply modular QoS to an ambiguous subinterface – ie one with a multiple Q-in-Q vlans.

 

The S-LAN is one of many into the same switch port/ASR interface. I don’t want QoS to affect the other S-LANs.

The ASR is running asr1002x_universalk9.03.13.02.S.154_3.S2_ext.SPA

The switch is running cat4500-ipbase-mz.122-50.SG3

Many thanks

David

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