[plug] VPN over 320U dongle

Steve Baker steve at iinet.net.au
Mon Apr 20 07:09:02 AWST 2020

Unfortunately that's not it either. The OpenVPN server is in the 192.168 
block, Telstra uses the 10.x block.

My office VPN _is_ on the 10.x block, but I think it is a /24 netmask 
and different network address to the dongle IP address.


On 19/4/20 11:16 pm, Ian Kent wrote:
> On Tue, 2020-04-14 at 13:39 +0800, Steve Baker wrote:
>> Hi all,
>> Here is another VPN question. I am using OpenVPN on my laptop to
>> connect
>> to a couple of different target networks. When I am connected to
>> ethernet or wireless, I have no issues. If I connect the laptop to
>> the
>> Telstra 4G Mobilenet WWAN using a Sierra Wireless 320U dongle, the
>> OpenVPN says that it connects fine, but it refuses to carry any
>> traffic.
> Conflict in the OpenVPN server client address range perhaps ...?
> I remember that an old "3" phone network used 10. range within the
> phone network. Might be worth checking what address gets assigned
> against VPN assigned addresses on working connections against what
> gets assigned on the WWAN connection.
> It might not even be obvious if the network uses a broad netmask.
>> If I hot-spot my phone, also on Telstra 4G, and connect the laptop
>> via
>> wireless, it all works fine.
>> Apart from this issue, everything else seems to work. Web browsing
>> (http/https) and emailing (POP/SSL, SMTP/TLS) have no issues. I
>> haven't
>> tried other applications as I usually use those over the VPN.
>> Any ideas?
>> Regards,
>> Steve

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