Use netstat to list listening ports on the box (netstat -ln) and see if it shows up as tcp6 or tcp. On our (older) 17.11.8 server:
$ netstat -ln | grep :6817 tcp 0 0 0.0.0.0:6817 0.0.0.0:* LISTEN $ nc -6 :: 6817 Ncat: Connection refused. $ nc -4 localhost 6817 ^C > On May 1, 2020, at 12:44 , William Brown <will...@signalbox.org.uk> wrote: > > For some services that display of 0.0.0.0 does include IPv6, although it is > counter-intuitive. Try to see if you can connect to it using the IPv6 > address. > > William > > On Fri, 1 May 2020 at 16:35, Thomas Schäfer <tho...@cis.uni-muenchen.de> > wrote: > Hi, > > is there an switch, option, environment variable, configurable key word to > enable IP6 for the slurmd and slurmctld daemons? > > tcp LISTEN 0.0.0.0:6818 > > isn't a good choice, were everything else (nfs, ssh, ntp, dns) runs over IPv6. > > Regards, > Thomas > > > > > >
