PROBE: A Utility For Probing Interfaces
draft-ietf-intarea-probe-04

Document Type Active Internet-Draft (intarea WG)
Last updated 2017-07-23
Replaces draft-bonica-intarea-eping
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INTAREA                                                        R. Bonica
Internet-Draft                                                 R. Thomas
Updates: 4884 (if approved)                             Juniper Networks
Intended status: Standards Track                              J. Linkova
Expires: January 24, 2018                                         Google
                                                               C. Lenart
                                                                 Verizon
                                                            M. Boucadair
                                                                  Orange
                                                           July 23, 2017

                PROBE: A Utility For Probing Interfaces
                      draft-ietf-intarea-probe-04

Abstract

   This document describes a network diagnostic tool called PROBE.
   PROBE is similar to PING, in that it can be used to test the status
   of a probed interface.  It differs from PING in that it does not
   require bidirectional connectivity between the probing and probed
   interfaces.  Alternatively, PROBE requires bidirectional connectivity
   between the probing interface and a proxy interface.  The proxy
   interface can reside on the same node as the probed interface or it
   can reside on a node to which the probed interface is directly
   connected.  This document updates RFC 4884.

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 January 24, 2018.

Bonica, et al.          Expires January 24, 2018                [Page 1]
Internet-Draft                    PROBE                        July 2017

Copyright Notice

   Copyright (c) 2017 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
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
     1.2.  Requirements Language . . . . . . . . . . . . . . . . . .   4
   2.  ICMP Extended Echo Request  . . . . . . . . . . . . . . . . .   4
     2.1.  Interface Identification Object . . . . . . . . . . . . .   6
   3.  ICMP Extended Echo Reply  . . . . . . . . . . . . . . . . . .   7
   4.  ICMP Message Processing . . . . . . . . . . . . . . . . . . .   8
     4.1.  Code Field Processing . . . . . . . . . . . . . . . . . .  10
   5.  Use-Cases . . . . . . . . . . . . . . . . . . . . . . . . . .  11
   6.  Updates to RFC 4884 . . . . . . . . . . . . . . . . . . . . .  11
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  11
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  13
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  13
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  14
   Appendix A.  The PROBE Application  . . . . . . . . . . . . . . .  14
   Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . .  15
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  15

1.  Introduction

   Network operators use PING [RFC2151] to test bidirectional
   connectivity between two interfaces.  For the purposes of this
   document, we will call these interfaces the probing and probed
   interfaces.  PING sends an ICMP [RFC0792] [RFC4443] Echo message from
   the probing interface to the probed interface.  The probing interface
   resides on a probing node while the probed interface resides on a
   probed node.

   If the probed interface receives the ICMP Echo message, it returns an
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