Lenovo TB-8504F User Manual

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C H A P T E R11-1Cisco ASR 1000 Series Aggregation Services Routers Software Configuration GuideOL-16506-1711Multilink PPP Support for the Cisco ASR 1000Series RoutersFirst Published: October 2012Last Updated: December 5, 2016Multilink Point-to-Point Protocol (MLP) provides support to aggregate the bandwidth of low-speedWAN and broadband links into a single entity, referred to as a bundle interface. A bundle interface is alogical entity that provides a single point in which other features (for example, Quality of Service [QoS])can be attached. MLP provides incremental bandwidth on demand, by adding additional links to thebundle, as needed. MLP also enables interleaving of latency-sensitive priority traffic with fragmentednonpriority traffic using link fragmentation and interleaving (LFI).Member links that are a part of an MLP bundle can be bundled across ports on:• The same shared port adapter (SPA)• Different SPAs on the same SPA interface processor (SIP)• Different SPAs on different SIPsThe Cisco IOS XE software supports MLP links for serial (T1, E1, NxDS0) and broadband topologiessuch as Multilink PPP over ATM (MLPoA), Multilink PPP over Ethernet (MLPoE), Multilink PPP overEthernet over ATM (MLPoEoA), and Multilink PPP over LNS (MLPoLNS). Additionally, the Cisco IOSXE software allows the device to operate as an L2TP Access Concentrator (LAC), L2TP Network Server(LNS), or PPP Termination and Aggregation (PTA) device.This document describes the features, limitations, and scaling of MLP on the Cisco ASR 1000 SeriesAggregation Services Routers running the Cisco IOS XE software. For information about theconfiguration and operation of MLP in the Cisco IOS XE software, see the “Configuring Multilink PPPConnections” chapter in the Wide-Area Networking Configuration Guide: Multilink PPP, Cisco IOS XERelease 3S (Cisco ASR 1000).Finding Feature InformationYour software release may not support all the features documented in this module. For the latestinformation about features and caveats, see the release notes for your platform and software release. Tofind information about the features documented in this module, and to see a list of the releases in which eachfeature is supported, see the ?$paranum>Feature Information for Multilink PPP Support for Cisco ASR1000 Series Routers? section on page 11-18.