On 29/09/22 01:19, André via Openvpn-users wrote:
Hi,
Could it have something to do with SMB Multichannel...?
interesting suggestion and definitelty worth exploring.
We are missing info however (which Selva's questions should partially
answer.
One of the things I am still unclear about is what route the VPN traffic
takes when the client is on the LAN as the server - where are the
(sanitized) routes to the VPN/adsl gateway ?
What happens if the client configuration uses
server 192.168.112.1
instead of a DNS name?
JJK
------- Original Message -------
On Wednesday, September 28th, 2022 at 19:37, Selva Nair
<selva.n...@gmail.com> wrote:
Hello,
On Wed, Sep 28, 2022 at 1:10 PM Sebastian Arcus <s.ar...@open-t.co.uk
<mailto:s.ar...@open-t.co.uk>> wrote:
On 27/09/2022 21:09, tincantech wrote:
Some updates from today's testing:
Test case 1
Topology: subnet
Adapter: WinTUN
Netbios over TCP/IP: disabled or enabled
Result: 300kbs (for both states of NetBIOS over TCP/IP)
Test case 2
Topology: subnet
Adapter: TAP
Netbios over TCP/IP: disabled or enabled
Result: 900Mbs (for both states of Netbios over TCP/IP)
Essentially using "topology subnet" seems to work fine with the TAP
adapter, but routes all smb traffic through the tunnel with the
WinTUN
adapter, even when Netbios over TCP/IP is disabled.
I'm not sure if this actually clarifies things or makes it worse. I
re-run the tests several times, and rebooted the machine after
changing
the settings on the adapters and before running the tests
This is getting more and more mysterious. Somehow SMB traffic is
using the VPN IP and hence getting routed through the tunnel.
DNS/netbios would have been the obvious culprit, but that doesn't
seem to be the case... As Windows has no built-in policy routing
facilities (does it?), probably there is some third party port
forwarding running on the client? However, that should have affected
both wintun and tap-windows tunnels. Can you mount a shared folder
using the LAN IP of the server like \\192.168.112.xx and see whether
that makes a difference?
tcpdump could also help figure out why there are two smb streams one
using LAN IP and other using the VPN, which is carrying what traffic,
which one gets established first etc..
Selva
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