Package: debian-boot
Severity: normal
Tags: d-i ipv6


-- System Information:
Debian Release: 7.8
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-4-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

When using IPv6 addresses in the installer the prefix (netmask) has do be 
entered in 
hex (e.g. ffff:ffff:ffff:ffff::). I think this is highly unusual and I have 
never seen
this notation before. 

RFC 4291 2.3 states: 

 The text representation of IPv6 address prefixes is similar to the
 way IPv4 address prefixes are written in Classless Inter-Domain
 Routing (CIDR) notation [CIDR].  An IPv6 address prefix is
 represented by the notation:

        ipv6-address/prefix-length

  where
        
 ipv6-address    is an IPv6 address in any of the notations listed in Section 
2.2.

 prefix-length   is a decimal value specifying how many of the leftmost 
contiguous bits of the 
                 address comprise the prefix.

On the other hand the Prefix is displayed as 255.255.255.255 in the 
configuration dialog when 
supplied via extra-option on the command line. 

Example: http://www.quux.de/Bilder/debinst-v6.jpg


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