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V2ToV1 Mapping SNMPv2 onto SNMPv1 within a bi-lingual SNMP agent (RFC2089)

IP.com Disclosure Number: IPCOM000002641D
Original Publication Date: 1997-Jan-01
Included in the Prior Art Database: 2019-Feb-16
Document File: 12 page(s) / 14K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

B. Wijnen: AUTHOR [+1]

Related Documents

10.17487/RFC2089: DOI

Abstract

The goal of this memo is to document a common way of mapping an SNMPv2 response into an SNMPv1 response within a bi-lingual SNMP agent (one that supports both SNMPv1 and SNMPv2). This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 15% of the total text.

Network Working Group B. Wijnen Request for Comments: 2089 IBM Category: Informational D. Levi SNMP Research, Inc January 1997

V2ToV1 Mapping SNMPv2 onto SNMPv1 within a bi-lingual SNMP agent

Status of this Memo

This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind. Distribution of this memo is unlimited.

Abstract

The goal of this memo is to document a common way of mapping an SNMPv2 response into an SNMPv1 response within a bi-lingual SNMP agent (one that supports both SNMPv1 and SNMPv2).

Table of Contents

1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Mapping SNMPv2 into SNMPv1 . . . . . . . . . . . . . . . . 2 2.1 Mapping SNMPv2 error-status into SNMPv1 error-status . . . 3 2.2 Mapping SNMPv2 exceptions into SNMPv1 . . . . . . . . . . 3 2.3 Mapping noSuchObject and noSuchInstance . . . . . . . . . 4 2.4 Mapping endOfMibView . . . . . . . . . . . . . . . . . . . 5 2.5 Mapping SNMPv2 SMI into SNMPv1 . . . . . . . . . . . . . . 5 3.0 Processing SNMPv1 requests . . . . . . . . . . . . . . . . 6 3.1 Processing an SNMPv1 GET request . . . . . . . . . . . . . 6 3.2 Processing an SNMPv1 GETNEXT request . . . . . . . . . . . 7 3.3 Processing an outgoing SNMPv2 trap . . . . . . . . . . . . 8 4.0 Acknowledgements . . . . . . . . . . . . . . . . . . . . . 10 5.0 References . . . . . . . . . . . . . . . . . . . . . . . . 10 6.0 Security Considerations . . . . . . . . . . . . . . . . . 10 7.0 Authors’ Addresses . . . . . . . . . . . . . . . . . . . . 11 Appendix A. Background Information . . . . . . . . . . . . . 12 A.1 Mapping of error-status Values . . . . . . . . . . . . . 12 A.2 SNMPv1 traps without Counter64 varBinds. . . . . . . . . 12

Wijnen & Levi Informational [Page 1]

RFC 2089 V2toV1 January 1997

1.0 Introduction

We now have the SNMPv1 protocol (RFC1157 [1]) as a full standard and the SNMPv2 protocol (RFC1905 [1]) as a DRAFT standard. It can be expected that many agent implementations will support both SNMPv1 and SNMPv2 requests coming from SNMP management entities. In many cases the underlying instrumentation will be implemented using the new SNMPv2 SMI and SNMPv2 protocol. The SNMP engine then gets the task to ensure that any SNMPv2 response data coming from such SNMPv2 compliant instrumentation gets converted to a proper SNMPv1 response if the original request came in as an SNMPv1 request. The SNMP engine should also deal with mapping SNMPv2 traps which are generated by an application or by the SNMPv2 compliant instrumentation into SNMPv1 traps if the agent has been configured to send traps to an SNMPv1 manager.

It seems beneficial if all such agents do this mapping in the same way. This document describes such a mapping based on discussions and perceived consensus on the various mailing lists. The authors of this document have also compared their own implementations of these mappings. They had a few minor differences and decided to make their implementat...

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