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EVPN

  • Support for Microsoft load-balancing node's static ARP entries with unicast MAC addresses (EX9208, MX-Series, and VMX)—Starting in Junos OS Release 22.4R1, you can configure a Microsoft load-balancing node's static Address Resolution Protocol (ARP) entries for unicast MAC addresses on integrated routing and bridging (IRB) interfaces. On your provider edge (PE) device, you can create a static ARP entry for the Microsoft load-balancing node’s virtual IP address and its unicast virtual MAC address. This static ARP configuration enables your PE devices to flood traffic for the Microsoft load-balancing node’s virtual IP address to the virtual MAC address in an EVPN Layer 2 domain or any other Layer 2 domain.

    To enable unicast MAC addresses on IRB interfaces, enable the flood-as-unknown-unicas option in the [edit interfaces irb unit <logical-interface-number> family inet address <local-ip-address>/<prefix-length> arp <MSLB-virtual IP address> mac <MSLB-unicast-VMAC>] hierarchy. The flood-as-unknown-unicast option enables flooding of virtual IP addresses and virtual MAC traffic flows from a Microsoft load-balancing cluster.

    [See EVPN User Guide.]

  • VXLAN filter group prioritization (QFX5110, QFX5120-32C, QFX5120-48T, QFX5120-48Y, QFX5120-48YM, and QFX5200)—Starting in Junos OS Release 22.4R1, when your device boots up, the device initializes VXLAN dynamic filter groups before the CLI filter groups. If you configure a CLI filter group before the VXLAN dynamic filter group, only the CLI filter group might be programmed in the TCAM space after you reboot your device. This situation might cause problems in your fabric.

    [See EVPN User Guide.]