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C H A P T E R 6 Broadband Scalability And Performance; Restrictions For Ppp Sessions And L2Tp Tunnel Scaling - Cisco ASR1000-RP1 - ASR 1000 Series Route Processor 1 Router Software Configuration Manual

Asr 1000 series aggregation services routers
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PPP Sessions and L2TP Tunnel Scaling
1. 32000 session scaling with RP2 and ESP-40G is fully supported without any additional restrictions. For restrictions on 48000

Restrictions for PPP Sessions and L2TP Tunnel Scaling

This section lists the restrictions for the PPP sessions and L2TP tunnel scalability.
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Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
6-2
and 64000 see the
"Restrictions for PPP Sessions and L2TP Tunnel Scaling" section on page
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
–
If any of the listed restrictions is not met, the router scales to a maximum of 32000 sessions
Note
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
–
If any of the listed restrictions is not met, the router scales to a maximum of 32000 sessions
Note
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.
Chapter 6
Broadband Scalability and Performance
6-2.
OL-16506-10
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