A YANG Data Model for Syslog Configuration
draft-ietf-netmod-syslog-model-26
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Last updated 2018-03-20 (latest revision 2018-03-16)
Replaces draft-wildes-netmod-syslog-model
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NETMOD WG                                                 C. Wildes, Ed.
Internet-Draft                                        Cisco Systems Inc.
Intended status: Standards Track                         K. Koushik, Ed.
Expires: September 14, 2018                             Verizon Wireless
                                                          March 15, 2018

               A YANG Data Model for Syslog Configuration
                   draft-ietf-netmod-syslog-model-26

Abstract

   This document defines a YANG data model for the configuration of a
   syslog process.  It is intended this model be used by vendors who
   implement syslog in their systems.

Status of this Memo

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

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on September 14, 2018.

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 (http://trustee.ietf.org/
   license-info) in effect on the date of publication of this document.
   Please review these documents carefully, as they describe your rights
   and restrictions with respect to this document.  Code Components
   extracted from this document must include Simplified BSD License text
   as described in Section 4.e of the Trust Legal Provisions and are
   provided without warranty as described in the Simplified BSD License.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  2
     1.1.  Requirements Language  . . . . . . . . . . . . . . . . . .  2
     1.2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  3
     1.3.  NDMA Compliance  . . . . . . . . . . . . . . . . . . . . .  3

Wildes & Koushik       Expires September 14, 2018               [Page 1]
Internet-Draft             Syslog Management                  March 2018

     1.4.  Editorial Note (To be removed by RFC Editor) . . . . . . .  3
   2.  Design of the Syslog Model . . . . . . . . . . . . . . . . . .  3
     2.1.  Syslog Module  . . . . . . . . . . . . . . . . . . . . . .  5
   3.  Syslog YANG Module . . . . . . . . . . . . . . . . . . . . . .  7
     3.1.  The ietf-syslog Module . . . . . . . . . . . . . . . . . .  8
   4.  Usage Examples . . . . . . . . . . . . . . . . . . . . . . . . 25
   5.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 25
   6.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 26
     6.1.  The IETF XML Registry  . . . . . . . . . . . . . . . . . . 26
     6.2.  The YANG Module Names Registry . . . . . . . . . . . . . . 26
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 26
   8.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 27
     8.1.  Normative References . . . . . . . . . . . . . . . . . . . 27
     8.2.  Informative References . . . . . . . . . . . . . . . . . . 29
   Appendix A. Implementer Guidelines . . . . . . . . . . . . . . . . 29
     Appendix A.1.  Extending Facilities  . . . . . . . . . . . . . . 29
     Appendix A.2.  Syslog Terminal Output  . . . . . . . . . . . . . 30
     Appendix A.3.  Syslog File Naming Convention . . . . . . . . . . 30
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 31

1.  Introduction

   This document defines a YANG [RFC7950] configuration data model that
   may be used to configure the syslog feature running on a system.
   YANG models can be used with network management protocols such as
   NETCONF [RFC6241] to install, manipulate, and delete the
   configuration of network devices.

   The data model makes use of the YANG "feature" construct which allows
   implementations to support only those syslog features that lie within
   their capabilities.

   This module can be used to configure the syslog application
   conceptual layers as implemented on the target system.

   Essentially, a syslog process receives messages (from the kernel,
   processes, applications or other syslog processes) and processes
   them.  The processing may involve logging to a local file, and/or
   displaying on console, and/or relaying to syslog processes on other
   machines.  The processing is determined by the "facility" that
   originated the message and the "severity" assigned to the message by
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