What’s the current situation with ipv6?
The recommendation was to disable ipv6 because there were some iffy
servers/routers or whatever on the internet that didn’t handle ipv6
properly and made (konqueror especially) hang.
I notice that openSUSE enables ipv6 by default these days so does that mean
ipv6 is Ok or should I disable it?
email =~ s/nospam/fudokai/
Mostly everyone disables it.
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I leave it enabled on my boxes and all is well, but it depends on your
network and largely on your ISP. Request that they hurry up and move to
IPv6 and we’ll all be better off (I’ve contacted my own and they are in
the process of fully supporting it, which will be nice).
Good luck.
caf4926 wrote:
> Mostly everyone disables it.
>
>
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Disabling IPv6 because of incompatibilities
Various Internet forums carry reports of people disabling IPv6 because of perceived slowdowns when connecting to hosts on the Internet.
In most cases, this “slow-down” results from DNS resolution failures due to faulty NAT ‘routers’ and other DNS resolvers which improperly handle the AAAA DNS query. These DNS resolvers just drop the DNS request for AAAA records, instead of properly returning the appropriate negative DNS response. Because the request is dropped, the host sending the request has to wait for a timeout to trigger, thus causing a perceived slow down when connecting to new hosts. Since there is no result of the request that could be cached locally, even if a DNS cache is running, the problem will persist for identical lookups in the future. If the domain name system is working properly, another likely delay is caused by misrouting of IPv6 packets.
Like only 3% of servers use ipv6 so disabling it does speed things up .
gib62588 wrote:
>
> Disabling IPv6 because of incompatibilities
>
> Various Internet forums carry reports of people disabling IPv6 because
> of perceived slowdowns when connecting to hosts on the Internet.
>
> In most cases, this “slow-down” results from DNS resolution failures
> due to faulty NAT ‘routers’ and other DNS resolvers which improperly
> handle the AAAA DNS query. These DNS resolvers just drop the DNS request
> for AAAA records, instead of properly returning the appropriate negative
> DNS response. Because the request is dropped, the host sending the
> request has to wait for a timeout to trigger, thus causing a perceived
> slow down when connecting to new hosts. Since there is no result of the
> request that could be cached locally, even if a DNS cache is running,
> the problem will persist for identical lookups in the future. If the
> domain name system is working properly, another likely delay is caused
> by misrouting of IPv6 packets.
> Like only 3% of servers use ipv6 so disabling it does speed things up .
>
>
I occasionally get periods when the internet just stops and connections
timeout - I’ll try disabling ipv6 and see if it goes away 
Alan
–
email =~ s/nospam/fudokai/