Hi,
On 26/01/18 16:26, Selva Nair wrote:
On Fri, Jan 26, 2018 at 10:20 AM, Jan Just Keijser <janj...@nikhef.nl> wrote:
On 26-Jan-18 16:08, Selva Nair wrote:
arrrgh, the important line is missing:
ERROR: Windows route add ipv6 command failed: returned error code 1
Gert has explained the fe80::8 magic.
Here is my guess about the ERROR: The route already existed and so
errored trying to add again -- most likely from a previous run as it
seems we have a problem in deleting the route on exit (I guess this is
on Windows 10) (see Trac 1003:
https://community.openvpn.net/openvpn/ticket/1003 )
"netsh int ipv6 show route" will confirm that.
The route destinations have their host bits zeroed out before setting
route, but those bits reappear (which is strange) in route delete.
And netsh doesnt like that at least on Windows 10. Gert, any idea why
this happens?
this is on *Windows 7* and indeed that route is never deleted when OpenVPN
exits. Here's the error associated with *that*:
Fri Jan 26 16:13:08 2018 ERROR: Windows route delete ipv6 command failed:
returned error code 1
Fri Jan 26 16:13:09 2018 NETSH: C:\Windows\system32\netsh.exe interface ipv6
delete address vpn0 2001:610:120::200:0:1001 store=active
Fri Jan 26 16:13:09 2018 TAP: DHCP address released
C:\Users\janjust\OpenVPN\config> C:\Windows\system32\netsh.exe interface
ipv6 delete route 2001:610:120::200:0:1001/112
interface=17 fe80::8 store=active
The parameter is incorrect.
The error is due to the host part (1001) in the route destination --
changing that to
C:\Windows\system32\netsh.exe interface ipv6 delete route
2001:610:120::200:0:/112
should succeed.
The mystery (at least for me) is where that host part is coming
from... Its zeroed out before setting the route, and I thought the
same (?) route list pointer is passed in while deleting routes.
that also did not work; what does work is:
C:\Windows\system32\netsh.exe interface ipv6 delete route
2001:610:120::200:0:0/112
so indeed, the host part is added at deletion time.
HTH,
JJK
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