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RFC 4271, "A Border Gateway Protocol 4 (BGP-4)", January 2006

Source of RFC: idr (rtg)

Errata ID: 1633
Status: Verified
Type: Technical
Publication Format(s) : TEXT

Reported By: John Scudder
Date Reported: 2008-12-12
Verifier Name: Stewart Bryant
Date Verified: 2011-08-02

Section 6.3 says:

   If an optional attribute is recognized, then the value of this
   attribute MUST be checked.  If an error is detected, the attribute
   MUST be discarded, and the Error Subcode MUST be set to Optional
   Attribute Error.  The Data field MUST contain the attribute (type,
   length, and value).

It should say:

   If an optional attribute is recognized, then the value of this
   attribute MUST be checked.  If an error is detected, the Error 
   Subcode MUST be set to Optional Attribute Error.  The Data 
   field MUST contain the attribute (type, length, and value).

Notes:

This simply removes the clause "the attribute MUST be discarded", which doesn't make sense since the peering is to be terminated anyway.

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