Is there a way to configure openvpn to only configure an ipv6 address on a
client's tunnel interface?
I want to be able to setup clients in *any* network without the risk of the
ipv4 vpn network being the same as the local network. I have an ipv6 tunnel
setup and functional, but I can't figure out how to NOT have openvpn assign an
ipv4 address to the client interface.
I have searched for a solution without any luck and posted to the openvpn forum
and have not gotten any responses.
Any help/insight would be much appreciated!
Relevant server config settings
--------------------------------------------
server 10.25.0.0 255.255.0.0
server-ipv6 xxxx:yyyy:zzzz::/64
tun-ipv6
push tun-ipv6
ifconfig-ipv6 xxxx:yyyy:zzzz::1 xxxx:yyy:zzzz::2
Client ccd file
---------------------
ifconfig-ipv6-push xxxx:yyyy:zzzz::3 xxxx:yyyy:zzzz:4
Resulting client interface
------------------------------------
tun0 Link encap:UNSPEC HWaddr
00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
inet addr:10.25.0.6 P-t-P:10.25.0.5 Mask:255.255.255.255
inet6 addr: xxxx:yyyy:zzzz::3/64 Scope:Global
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:39 errors:0 dropped:0 overruns:0 frame:0
TX packets:49 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:6141 (5.9 KiB) TX bytes:6277 (6.1 KiB)
Everything seems to be working, but I don't want the 10.25.0.6 address assigned
to the client interface.
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