On Sat, May 25, 2019 at 17:43:15 -0400, Gene Heskett wrote:
> On Saturday 25 May 2019 03:25:22 pm Nathan Stratton Treadway wrote:
> > Why do you think you need to turn off IPv6 in Amanda?  Modern distros
> > such as Strech will have IPv6 configured out of the box, and all the
> > standard packages will be build with that assumption.  It doesn't hurt
> > anything for Amanda to have IPv6 support enabled; if your ISP (and
> > your local network configuration) doesn't support it, it just won't
> > actually be used at run time....
> >
> Amanda may well work that way, but if the networking event gets a faint 
> whiff of ipv6, it won't assign a route to the ipv4 setup.  local host 
> work fine, a dns lookuo is stuck in your shirt pocket and the network 
> hardware is wasting power doing zip.

I have not run into that behavior myself (running recent Debian/Ubuntu
distros with IPv6 enabled. but behind an ISP which has no support at all
for IPv6)... but I think it's safe to say that fixing this at the Amanda
level will have at best limited success, given that so many other
packages/components of Debian will assume basic IPv6 functionality is
there....

(So, you may have better luck asking for help on that topic on a Debian
list somewhere...)

                                                Nathan

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