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ASR QoS priority for video with subinterface

Our engineering staff has been asked to provide QoS priority for multicast video over an ASR 10G backbone network. We use sub-interfaces to separate Internet, video, and MPLS traffic on our backbone. What is the best method to provide QoS priority for video in the example configuration below?

Do we need to mark traffic at ingress and then apply an outgoing policy to the 10G primary interface?


Is there a way to provide priority for a sub-interface in IOS-XR?

We are using IOS-XR 5.3.3 currently.


######################################################
!
interface TenGigE0/0/0/0
description 10G Primary Interface
cdp
!
interface TenGigE0/0/0/0.1001
description Video Subinterface
vrf VIDEO
ipv4 address 172.16.1.1 255.255.255.254
encapsulation dot1q 1001
!
interface TenGigE0/0/0/1.2001
description Internet Subinterface
ipv4 address 24.220.1.1 255.255.255.254
ipv6 address 2001:48f8::1/127
encapsulation dot1q 2001
!
interface TenGigE0/0/0/0.3001
description MPLS Subinterface
ipv4 address 10.1.1.1 255.255.255.254
encapsulation dot1q 3001
!
######################################################

Thanks!
Jamie

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