Subject: Bug in IPv6 ABNF

From: Srinivas R Thota <[email-masked]>
Date: Fri, 18 Mar 2005 12:22:44 +0530

Hi,

The IPv6 ABNF was not supporting the following compressed form 

::10.18.5.97

IPV6 ABNF

IPv6reference  =  "[" IPv6address "]"
IPv6address    =  hexpart [ ":" IPv4address ]
hexpart        =  hexseq / hexseq "::" [ hexseq ] / "::" [ hexseq ]
hexseq         =  hex4 *( ":" hex4)
hex4           =  1*4HEXDIG
port           =  1*DIGIT

so the CORRECTED ABNF could be 

IPv6reference  =  "[" IPv6address "]"
IPv6address    =  ( hexpart [ ":" IPv4address ] ) / ( "::" IPv4address )
hexpart        =  hexseq / hexseq "::" [ hexseq ] / "::" [ hexseq ]
hexseq         =  hex4 *( ":" hex4)
hex4           =  1*4HEXDIG

Regards,
Srinivas R Thota
HTIPL

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