Cisco ASR1000-RP2 Software Guide - Page 210
Restrictions for PPP Sessions and L2TP Tunnel Scaling - qos
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PPP Sessions and L2TP Tunnel Scaling Chapter 6 Broadband Scalability and Performance 1. 32000 session scaling with RP2 and ESP-40G is fully supported without any additional restrictions. For restrictions on 48000 and 64000 see the "Restrictions for PPP Sessions and L2TP Tunnel Scaling" section on page 6-2. Restrictions for PPP Sessions and L2TP Tunnel Scaling This section lists the restrictions for the PPP sessions and L2TP tunnel scalability. • To achieve maximum scaling for the 1001, 1002, and 1004 chassis, we recommend software redundancy be disabled for broadband applications, and only hardware redundancy be configured. • Restrictions on 48000 session scaling with RP2 and ESP-40G include: - Intelligent Services Gateway (ISG) Services are not supported - Point-to-Point Protocol over ATM (PPPoA) and Point-to-Point Protocol over Ethernet (PPPoEoA) sessions are not supported - RP2 requires 16 GB DRAM to support 48000 sessions Note If any of the listed restrictions is not met, the router scales to a maximum of 32000 sessions only. • Restrictions on the 64000 session scaling with RP2 and ESP-40G: - ISG services are not supported - PPPoA and PPPoEoA sessions are not supported - Per-session QoS with queuing actions (for example, shaping) is not supported - RP2 requires 16 GB DRAM to support 64000 sessions Note If any of the listed restrictions is not met, the router scales to a maximum of 32000 sessions or 48000 sessions only. • Restrictions on 64000 L2TP tunnel scaling with RP2 and ESP-40G: - ISG services are not supported - Per-session QoS is not supported - RP2 requires 16 GB DRAM - High Availability (SSO) is not supported Note If any of the listed restrictions is not met, the router scales to a maximum of 16000 L2TP tunnels. • The RP2 and ESP10 hardware combination is not supported for broadband. • RP1 with 2GB of DRAM is not recommended for broadband deployment. Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide 6-2 OL-16506-10