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.\" $Id: ipv6.7,v 1.3 2000/12/20 18:10:31 ak Exp $
-.TH IPV6 7 2009-02-28 "Linux" "Linux Programmer's Manual"
+.TH IPV6 7 2011-09-08 "Linux" "Linux Programmer's Manual"
.SH NAME
ipv6, AF_INET6 \- Linux IPv6 protocol implementation
.SH SYNOPSIS
(not implemented in Linux), IPv4-on-IPv6 to
address a IPv4 host, and other reserved address types.
.PP
-The address notation for IPv6 is a group of 16 2-digit hexadecimal
+The address notation for IPv6 is a group of 8 4-digit hexadecimal
numbers, separated with a \(aq:\(aq.
\&"::" stands for a string of 0 bits.
Special addresses are ::1 for loopback and ::FFFF:<IPv4 address>
.B IPV6_MTU
Set the MTU to be used for the socket.
The MTU is limited by the device
-MTU or the path mtu when path mtu discovery is enabled.
+MTU or the path MTU when path MTU discovery is enabled.
Argument is a pointer to integer.
.TP
.B IPV6_MTU_DISCOVER
-Control path mtu discovery on the socket.
+Control path-MTU discovery on the socket.
See
.B IP_MTU_DISCOVER
in