Re: VPN now fails to come up, "unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00"

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On 11/1/18 9:21 AM, rpjday@xxxxxxxxxxxxxx wrote:
yesterday, did system-upgrade to fedora 29, went very smoothly, almost
everything continued working out of the box except that i could no
longer "vpnc" into my current client. i checked with their IT guy, who
could see the incoming request and confirmed that everything seemed fine.

then i looked at the interface created for the VPN tunnel:

tun0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST>  mtu 1412
          inet REDACTED  netmask 255.255.255.255  destination REDACTED
          inet6 fe80::1f2f:331c:9941:aff2  prefixlen 64  scopeid 0x20<link>
         unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 txqueuelen 500  (UNSPEC)
          RX packets 0  bytes 0 (0.0 B)
          RX errors 0  dropped 0  overruns 0  frame 0
          TX packets 0  bytes 0 (0.0 B)
          TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

You need to provide more details about what isn't working. The tunnel interface has an IP address. I see that there are no packets transferred though. Does "ip route" show the right routing? How are you running vpnc? Can you provide the relevant log messages or vpnc output?

i don't recall all that "unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00"
being there before (if it was, maybe i just never noticed it).

is this normal? or do i now have to add something to /etc/vpnc/default.conf
to deal with that?

I see this on F28 as well and I'm pretty sure it's been there for a long time.

i have no idea whether iscsi is relevant to this, just thought i'd throw it
out there in case it was.

It's not relevant. I think there's some trigger related to network interfaces changing.
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