CG-NAT Throughput Scale

[rajdhingra84]

Hi Experts, is there any documentation to find the scale information (throughput & sessions) for CG-NAT on devices that supports it such as ASR9K, ASA/FPR, 8K series routers? Most of the datasheets does not mention anything.

Thanks in advance.

[pieterh]

there are two types of cards: CGSE and CGSE-PLUS cards 

does this section from  
Carrier Grade NAT Configuration Guide for Cisco CRS Routers, IOS XR Release 6.2.x - Implementing Carrier Grade NAT on Cisco IOS XR Software [Cisco IOS XR Software (End-of-Sale)] - Cisco
answer your question ?

CGSE Multi-Chassis Support

The CGSE line card is supported in a multi-chassis configuration. 16 CGSE line cards are supported on each Cisco CRS Router chassis. A maximum of 32 CGN instances are supported.

For CGN applications, such as NAT44, NAT64, XLAT, DS-Lite and 6RD, a maximum of 20 million sessions are supported by each CGSE line card.

CGSE Plus PLIM

CGSE Plus is a mutli-service PLIM for the Cisco CRS-3 Router. The module has a maximum packet processing speed of 40 Gbps full-duplex with a reduced boot time and latency.