How to configure QoS on private peering ExpressRoute links?

Nokoyashi1 21 Reputation points
2021-03-24T02:35:15.11+00:00

I need to do E2E QoS from customer datacenter to virtual desktops running in the Azure cloud over ExpressRoutes using private peering. QoS is only configurable for Microsoft peering when using voice service. Any idea how I can offer QoS (do traffic prioritization) over ExpressRoute in private peering? Could not find literature about this specific topic. Any help would be appreciated.

Azure ExpressRoute
Azure ExpressRoute
An Azure service that provides private connections between Azure datacenters and infrastructure, either on premises or in a colocation environment.
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  1. SUNOJ KUMAR YELURU 14,016 Reputation points MVP
    2021-03-24T02:49:08.767+00:00

    Hi @Nokoyashi1
    Thank You for posting in Q & A.

    ExpressRoute provides network traffic QoS only for Skype for Business, while Azure VPN does not provide this kind of service. You can read more details on ExpressRoute at the link below:

    ExpressRoute QoS requirements
    https://azure.microsoft.com/en-us/documentation/articles/expressroute-qos

    Managing Quality of Service (QoS) in Skype for Business Server
    ExpressRoute QoS Configuration

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  2. SaiKishor-MSFT 17,216 Reputation points
    2021-03-30T21:18:22.52+00:00

    @Nokoyashi1

    Thank you for reaching out to us on Q&A.

    QoS requirements apply to the Microsoft peering only. The DSCP values in your network traffic received on Azure public peering and Azure private peering will be reset to 0. Therefore, it is not supported for private peering but you can do QOS Priority before the traffic reaches MS Edge. Hope this answers your question. Please let us know if you have any other questions/concerns.

    Please let us know if you have any further questions and we will be glad to assist you further. Thank you!

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