A new Request for Comments is now available in online RFC libraries.
RFC 5837
Title: Extending ICMP for Interface and
Next-Hop Identification
Author: A. Atlas, Ed.,
R. Bonica, Ed.,
C. Pignataro, Ed.,
N. Shen, JR. Rivers
Status: Standards Track
Stream: IETF
Date: April 2010
Mailbox: alia.atlas@bt.com,
rbonica@juniper.net,
cpignata@cisco.com, naiming@cisco.com,
jrrivers@yahoo.com
Pages: 18
Characters: 38109
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-atlas-icmp-unnumbered-09.txt
URL: http://www.rfc-editor.org/rfc/rfc5837.txt
This memo defines a data structure that can be appended to selected
ICMP messages. The ICMP extension defined herein can be used to
identify any combination of the following: the IP interface upon
which a datagram arrived, the sub-IP component of an IP interface
upon which a datagram arrived, the IP interface through which the
datagram would have been forwarded had it been forwardable, and the
IP next hop to which the datagram would have been forwarded.
Devices can use this ICMP extension to identify interfaces and their
components by any combination of the following: ifIndex, IPv4
address, IPv6 address, name, and MTU. ICMP-aware devices can use
these extensions to identify both numbered and unnumbered interfaces.
[STANDARDS TRACK]
This is now a Proposed Standard Protocol.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements. Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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