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Layer 2 VPN

  • Improved pseudowire failover convergence in an H-VPLS network (MX Series)—Starting in Junos OS Release 22.4R1, we've improved the performance of hot-standby redundant pseudowires in an hierarchical VPLS (H-VPLS) hub-and-spoke network. The hot-standby option enables the network to quickly recover from a failure in the active pseudowire and reduces the amount of traffic that gets discarded during the transition.

    [See Configure Hot-Standby Pseudowire Redundancy in H-VPLS .]

  • Preserving next hop hierarchy for Layer 2 services (MX240, MX304, MX480, MX960, MX10003, MX10004, MX10008, MX2010, and MX2020) —Starting in Junos OS Release 22.4R1, Junos OS supports expanded next hop hierarchy when forwarding BUM traffic for Layer 2 services. To support expanded next hop hierarchy, set the preserve-nexthop-hierarchy option at the [edit routing-options resolution] hierarchy level.

    [See resolution.]