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Supported Features for MLPPP LNS and PPPoE Subscribers on the MX Series

Starting in Junos OS Release 14.1, subscribers on MX Series router to multilink PPP (MLPPP) for L2TP network server (LNS) or to Point-to-Point Protocol over Ethernet (PPPoE, terminated and tunneled) can access a variety of new features.

  • Supports MLPPP for static and dynamic LNS subscribers and PPPoE subscribers.

  • Supports each MLPPP bundle containing a single member link.

  • Anchors the bundle logical interface (IFL) on the inline services si interface.

  • Runs the bundle IFL on an MX Series that enables shaping and queuing at the bundle to minimize fragment reordering.

  • Supports configurable service device pools for load-balancing bundle IFLs.

  • Supports the co-existence for member link IFL and the bundle IFL on different lookup engines.

  • Supports fragmentation maps for both static and dynamic si interfaces, and supports multiple forwarding classes pointing to a single queue for si interface attachments.

  • Provides fragmentation of low-priority packets towards the subscriber, and reassembly of low-priority packets towards the core, and availability of per-bundle fragmentation and reassembly statistics.

  • Supports bundle family inet and family inet6, including DHCPv6 prefix delegation over MLPPP bundle for both LNS and PPPoE MLPPP subscribers.

  • Supports lawful intercept over MLPPP bundles.

  • Provides mixed mode (PPP and MLPPP) support for subscribers.

  • Maintains existing LNS and PPPoE subscriber management functionalities.

  • Supports graceful Routing Engine switchover (GRES).

Related Documentation

Change History Table

Feature support is determined by the platform and release you are using. Use Feature Explorer to determine if a feature is supported on your platform.

Release
Description
14.1
Starting in Junos OS Release 14.1, subscribers on MX Series router to multilink PPP (MLPPP) for L2TP network server (LNS) or to Point-to-Point Protocol over Ethernet (PPPoE, terminated and tunneled) can access a variety of new features.