On Tue, Jun 18, 2019 at 11:12:40AM +0000, Andy Smith wrote: > Hi Bob, > > On Tue, Jun 18, 2019 at 12:07:16AM -0400, Bob Bernstein wrote: > > On Tue, 18 Jun 2019, Andy Smith wrote: > > >What happens if you try to ping something? Like: > > […] > > > PING linode.com(2600:3c00::22 (2600:3c00::22)) 56 data bytes > > 64 bytes from 2600:3c00::22 (2600:3c00::22): icmp_seq=1 ttl=51 time=63.4 ms > > So it seems you have IPv6 connectivity but not IPv4, although you do > have your v4 address configured on the interface.
... or it's just (v4) ICMP being filtered out somewhere. There are firewall configurations which do that. > I'd be interested > in seeing your routing table (the "ip route show" command I > mentioned before). I think traceroute would be more interesting in this context: it has options explicitly made for such firewall landscapes. Read the man page or ask here if interested. Cheers -- t
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