A YANG Module for Network Address Translation (NAT) and Network Prefix Translation (NPT)
draft-ietf-opsawg-nat-yang-15

Document Type Active Internet-Draft (opsawg WG)
Last updated 2018-06-28
Replaces draft-sivakumar-yang-nat
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Network Working Group                                  M. Boucadair, Ed.
Internet-Draft                                                    Orange
Intended status: Standards Track                            S. Sivakumar
Expires: December 29, 2018                                 Cisco Systems
                                                            C. Jacquenet
                                                                  Orange
                                                           S. Vinapamula
                                                        Juniper Networks
                                                                   Q. Wu
                                                                  Huawei
                                                           June 27, 2018

 A YANG Module for Network Address Translation (NAT) and Network Prefix
                           Translation (NPT)
                     draft-ietf-opsawg-nat-yang-15

Abstract

   This document defines a YANG module for the Network Address
   Translation (NAT) function.

   Network Address Translation from IPv4 to IPv4 (NAT44), Network
   Address and Protocol Translation from IPv6 Clients to IPv4 Servers
   (NAT64), Customer-side transLATor (CLAT), Stateless IP/ICMP
   Translation (SIIT), Explicit Address Mappings for Stateless IP/ICMP
   Translation (SIIT EAM), IPv6 Network Prefix Translation (NPTv6), and
   Destination NAT are covered in this document.

Editorial Note (To be removed by RFC Editor)

   Please update these statements within the document with the RFC
   number to be assigned to this document:

      "This version of this YANG module is part of RFC XXXX;"

      "RFC XXXX: A YANG Module for Network Address Translation (NAT) and
      Network Prefix Translation (NPT)"

      "reference: RFC XXXX"

   Please update the "revision" date of the YANG module.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

Boucadair, et al.       Expires December 29, 2018               [Page 1]
Internet-Draft             YANG Module for NAT                 June 2018

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Copyright Notice

   Copyright (c) 2018 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Overview of the NAT YANG Data Model . . . . . . . . . . . . .   5
     2.1.  Overview  . . . . . . . . . . . . . . . . . . . . . . . .   5
     2.2.  Various Translation Flavors . . . . . . . . . . . . . . .   6
     2.3.  TCP/UDP/ICMP NAT Behavioral Requirements  . . . . . . . .   7
     2.4.  Other Transport Protocols . . . . . . . . . . . . . . . .   7
     2.5.  IP Addresses Used for Translation . . . . . . . . . . . .   8
     2.6.  Port Set Assignment . . . . . . . . . . . . . . . . . . .   8
     2.7.  Port-Restricted IP Addresses  . . . . . . . . . . . . . .   8
     2.8.  NAT Mapping Entries . . . . . . . . . . . . . . . . . . .   8
     2.9.  Resource Limits . . . . . . . . . . . . . . . . . . . . .  12
     2.10. Binding the NAT Function to an External Interface . . . .  15
     2.11. Relationship to NATV2-MIB . . . . . . . . . . . . . . . .  15
     2.12. Tree Structure  . . . . . . . . . . . . . . . . . . . . .  16
   3.  NAT YANG Module . . . . . . . . . . . . . . . . . . . . . . .  22
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .  71
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  73
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  73

Boucadair, et al.       Expires December 29, 2018               [Page 2]
Internet-Draft             YANG Module for NAT                 June 2018
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