RFC 1326 · INFORMATIONAL · 1992
MON · 27 JUL 2026
Mutual Encapsulation Considered Dangerous
Overview
RFC 1326, “Mutual Encapsulation Considered Dangerous”, is an Informational document published in May 1992 by P. Tsuchiya. The canonical text is published by the RFC Editor.
Abstract
This memo describes a packet explosion problem that can occur with mutual encapsulation of protocols (A encapsulates B and B encapsulates A). This memo provides information for the Internet community. It does not specify an Internet standard.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 1326 is hosted at rfc-editor.org. Available in TXT,HTML.
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