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Class of Service

  • Support for hierarchical class of service (HCoS) on network slices on aggregated Ethernet interfaces (MX480, MX960, MX10003, and MX2020)—Starting in Junos OS Release 22.4R1, you can provision HCoS for network slices on aggregated Ethernet (ae-) interfaces. You can use either the default scale mode or the replicate mode for the ae- interfaces.

    To enable HCoS for network slices on ae- interfaces, set hierarchical-scheduler at the [interface ae-interface-name] hierarchy level, then attach output-traffic-control-profile tcp-name at the [class-of-service interface ae-interface-name slice slice-name] hierarchy level.

    [See Hierarchical Class of Service for Network Slicing.]

  • Support for IPv6 class of service in SRv6 network programing (MX Series)—Starting with Junos OS Release 22.4R1, MX Series devices that deploy Segment Routing for IPv6 (SRv6) network programming can support:

    • IPv6 classifiers on both transit and end-point nodes.

    • Rewrite rules

    • Policy maps

    The support applies to both transit and end-point nodes.

    [See How to Enable SRv6 Network Programming in IS-IS Networks.]

  • Support for hierarchical class of service (HCoS) on EVPN Interfaces (ACX5448, ACX5448-D, and ACX5448-M)—Starting in Junos OS Release 22.4R1, you can apply up to four levels of hierarchical traffic scheduling and shaping features to EVPN interfaces on ACX 5448, ACX 5448-D, and ACX 5448-M devices. The four levels of hierarchical scheduling are:

    • Physical interfaces

    • Logical interface sets

    • Logical interfaces

    • Queues

    [See Hierarchical Class of Service in ACX Series Routers.]

  • Support for hierarchical class of service (HCoS) (ACX710)—Starting in Junos OS Release 22.4R1, you can apply up to four levels of hierarchical traffic scheduling and shaping features to the following interfaces on ACX710 devices:

    • EVPN

    • Layer 3 VPN (L3VPN)

    • Multichassis link aggregation group (MC-LAG)

    • Multicast

    The four levels of hierarchical scheduling are:

    • Physical interfaces

    • Logical interface sets

    • Logical interfaces

    • Queues

    [See Hierarchical Class of Service in ACX Series Routers.]