Network Working Group W. Simpson
Request for Comments: 1853 Daydreamer
Category: Informational October 1995
IP in IP Tunneling
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard. Distribution of this memo is
unlimited.
IESG Note:
Note that this memo is an individual effort of the author. This
document reflects a current informal practice in the internet. There
is an effort underway within the IETF Mobile-IP Working Group to
provide an appropriate proposed standard to address this issue.
Abstract
This document discusses implementation techniques for using IP
Protocol/Payload number 4 Encapsulation for tunneling with IP
Security and other protocols.
Table of Contents
1. Introduction .......................................... 2
2. Encapsulation ......................................... 3
3. Tunnel Management ..................................... 5
3.1 Tunnel MTU Discovery ............................ 5
3.2 Congestion ...................................... 6
3.3 Routing Failures ................................ 6
3.4 Other ICMP Messages ............................. 6
SECURITY CONSIDERATIONS ...................................... 7
REFERENCES ................................................... 7
ACKNOWLEDGEMENTS ............................................. 8
AUTHOR'S ADDRESS ............................................. 8
Simpson Informational