Revised Error Handling for BGP UPDATE Messages, August 2015
- File formats:
- PROPOSED STANDARD
- RFC 1997, RFC 4271, RFC 4360, RFC 4456, RFC 4760, RFC 5543, RFC 5701, RFC 6368
- E. Chen, Ed.
J. Scudder, Ed.
- idr (rtg)
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According to the base BGP specification, a BGP speaker that receives an UPDATE message containing a malformed attribute is required to reset the session over which the offending attribute was received. This behavior is undesirable because a session reset would impact not only routes with the offending attribute but also other valid routes exchanged over the session. This document partially revises the error handling for UPDATE messages and provides guidelines for the authors of documents defining new attributes. Finally, it revises the error handling procedures for a number of existing attributes.
This document updates error handling for RFCs 1997, 4271, 4360, 4456, 4760, 5543, 5701, and 6368.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 4844.