Proposal: Fedora should install with IPv4/6 disabled by default [was: Re: Disabling ipv6]

[Richard Sewill]

The question, should IPv6, be disabled by default, is asked of people of
the user list.

At the moment, I am on the fence.

Is there a compromise where, during the Fedora install, when the person is
asked for some network information and asked for time zone and root
password, can the question be posed asking the initial state of IPv6?

Can a "help" entry be created that will explain why one will want IPv6
enabled and why one will not want IPv6 enabled?

If I have to jump off the fence, my answer would be, I believe the default
should be enabled.

I have a router protecting my home network, where I can turn on/turn off
IPv6.

As I indicated in another post, I believe my router is starting to support
IPv6, but am not sure how well my router supports IPv6 yet.  My router
supports IPv6 traffic flow.

It is unclear how well my router's firewall works for IPv6.  My router, for
IPv4, does firewall and NAT (or as one person posted, and I liked his
comment--NAT is firewall plus mangling).  My router's default setting for
IPv6 is disabled.

When the router vendor is willing to provide a firmware upgrade with IPv6
enabled, that will be a signal the router vendor has more confidence in his
router implementation, including his firewall implementation, for IPv6.

When the ISP no longer uses 6to4 tunnel, that will be a signal the ISP is
moving to provide full support for IPv6.

As an interesting side note, I went to http://ipv6-test.com/speedtest/ to
compare the throughput for IPv4 and IPv6.  It matters greatly which server
I select.  When I selected the Netherlands - Zeeland server, The IPv4 and
IPv6 performance were close enough to being the same for me to say there
was no performance loss going from IPv4 to IPv6.

When I tried another server, IPv6 was faster.  When I tried still another
server, IPv4 was faster.  As another person commented in the other post,
the path through which the packets travel matters.

The speed test results pleased me.  The speed test results told me my ISP
is trying to give me the downstream/upstream performance I am paying for be
it IPv4 or IPv6.
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