The Cisco IOS XR Carrier Grade NAT Command Reference for the Cisco CRS Router preface contains these sections:
Changes to This Document
From Release Release 6.1.2 onwards, Cisco introduces support for the 64-bit Linux-based IOS XR operating system. Extensive feature parity is maintained between the 32-bit and 64-bit environments. Unless explicitly marked otherwise, the contents of this document are applicable for both the environments. For more details on Cisco IOS XR 64 bit, refer to the Release Notes for Cisco ASR 9000 Series Routers, Release 6.1.2 document.
Table 1 Changes to This Document
Initial release of this document.
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