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v1.6 2nd Sep 2003, Pekka Savola <pekkas@netcore.fi>
IPv6 CHANGES
============
This mentions the most important changes (visible to the administrator)
in IPv6 initscripts.
RHL9 -> CURRENT
---------------
- no major functional changes, only bugfixes and cleanups
RHL80 -> RHL9
-------------
- 6to4 device MTU is calculated explicitly, IPV6TO4_MTU support added
- add route6-<device> static route support
- secondary IPv6 addresses are configurable on tunnel interfaces too
RHL73 -> RHL80
--------------
- no major functional changes
RHL72 -> RHL73
--------------
- 6to4 device changed from sit0 to tun6to4
- 6to4 assumes the anycast (closest) 6to4 server is used (192.88.99.1)
unless specified with IPV6TO4_RELAY.
- 6to4 does not support automatic tunneling *at all* anymore; use
IPV6_AUTOTUNNEL if you want to use it.
- All support from NBMA tunnels as well as 6to4 using sit0 was removed
- IPV6TO4_CONTROL_RADVD and IPV6TO4_RADVD_PIDFILE was changed to
IPV6_*, respectively.
- IPV6_DEFAULTGW and IPV6_DEFAULTDEV support was introduced;
/etc/sysconfig/static-routes-ipv6 must not be used for them anymore.
Rough guide to migration:
- Rename IPV6TO4_CONTROL_RADVD to IPV6_CONTROL_RADVD if exists
- Rename IPV6TO4_RADVD_PIDFILE to IPV6_RADVD_PIDFILE if exists
- Remove "default" route from /etc/sysconfig/static-routes-ipv6 and replace
it with something like IPV6_DEFAULTDEV=tun6to4 in /etc/sysconfig/network
- If you need autotunneling, use IPV6_AUTOTUNNEL in /etc/sysconfig/network
RHL71 -> RHL72
--------------
- 6to4 tunneling support was added using device sit0
- Tunneling method was changed from NBMA (now obsolete) to dedicated
- Automatic tunneling configured was moved from ifcfg-sit0 to
IPV6_AUTOTUNNEL at /etc/sysconfig/network
Some more information
---------------------
http://www.bieringer.de/linux/IPv6/IPv6-HOWTO/scripts/current/ ,in particular:
http://www.bieringer.de/linux/IPv6/IPv6-HOWTO/scripts/current/index.html#migration
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