Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2019-01-21 Thread Rostyslav Maryliak
Dear Gert, Thank you for the update. On Mon, Jan 21, 2019 at 4:27 PM Gert Doering wrote: > Hi, > > On Mon, Jan 21, 2019 at 02:58:06PM +0200, Rostyslav Maryliak wrote: > > Is there any update on a new OpenVPN 3 for Windows ETA? Or at least ETA > for > > implementing missing OIDs in the tap

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2019-01-21 Thread Gert Doering
Hi, On Mon, Jan 21, 2019 at 02:58:06PM +0200, Rostyslav Maryliak wrote: > Is there any update on a new OpenVPN 3 for Windows ETA? Or at least ETA for > implementing missing OIDs in the tap driver? Steve seems to be making good progress with ironing out the remaining wrinkles. So, tentatively,

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2019-01-21 Thread Rostyslav Maryliak
Dear All, Is there any update on a new OpenVPN 3 for Windows ETA? Or at least ETA for implementing missing OIDs in the tap driver? On Thu, Oct 25, 2018 at 12:12 AM Rostyslav Maryliak < rostyslav.maryl...@idealscorp.com> wrote: > Dear tincanteksup, > > Yes, Samuli is correct. It is impossible to

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-24 Thread Rostyslav Maryliak
Dear tincanteksup, Yes, Samuli is correct. It is impossible to install the older version of TAP adapter (NDIS 5) on Windows Server 2016 On Wed, Oct 24, 2018 at 3:20 PM Samuli Seppänen wrote: > Hi, > > If I recall correctly, NDIS 5 support was dropped in Windows 8 or early > Windows 10.

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-24 Thread Samuli Seppänen
Hi, If I recall correctly, NDIS 5 support was dropped in Windows 8 or early Windows 10. Tap-windows uses NDIS 5, so it almost certainly does not work on Windows Server 2016. -- Samuli Seppänen Community Manager OpenVPN Technologies, Inc irc freenode net: mattock Il 24/10/18 15:09,

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-24 Thread tincanteksup
Hi, a completely different approach .. On the Forum somebody claimed that the old Tap Adaptor works better than the new one on W2012r2. https://forums.openvpn.net/viewtopic.php?f=6=27288#p81973 Could you test that ? Thanks tct On 03/10/2018 16:15, Rostyslav Maryliak wrote: Dear OpenVPN

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-23 Thread Selva Nair
On Tue, Oct 23, 2018 at 6:37 PM Rostyslav Maryliak wrote: > > Dear John and Selva, > > I've tried almost all advises I was able to find in Internet but still no > luck. > Also, I've tried to test this hacky tap-adapter from jkunkee. I was able to > build the tapinstall itself, but failed to add

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-23 Thread Rostyslav Maryliak
Dear John and Selva, I've tried almost all advises I was able to find in Internet but still no luck. Also, I've tried to test this hacky tap-adapter from jkunkee. I was able to build the tapinstall itself, but failed to add new adapter with it. Are you able to recreate my scenario and confirm

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-08 Thread Jon Kunkee via Openvpn-devel
(Side note: I do work for Microsoft, but I don't speak for Microsoft, don't know the networking stack well, and am not an NDIS dev.) I don't know what causes this (the TAP driver?) but hopefully others may chime in with some clue. >>> I wonder if this will be addressed by adding the

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-08 Thread Rostyslav Maryliak
Dear Jon and Selva, Is there any update on this? Сб, 6 жовт. 2018 07:24 користувач Selva Nair пише: > Hi > > On Fri, Oct 5, 2018 at 8:41 PM Jon Kunkee wrote: > >> > I don't know what causes this (the TAP driver?) but hopefully others >> may chime in with some clue. >> >> I wonder if this will

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-05 Thread Selva Nair
Hi On Fri, Oct 5, 2018 at 8:41 PM Jon Kunkee wrote: > > I don't know what causes this (the TAP driver?) but hopefully others may > chime in with some clue. > > I wonder if this will be addressed by adding the missing buffer-remaining > query OIDs. Unfortunately I don’t know enough to say for

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-05 Thread Jon Kunkee via Openvpn-devel
> I don't know what causes this (the TAP driver?) but hopefully others may > chime in with some clue. I wonder if this will be addressed by adding the missing buffer-remaining query OIDs. Unfortunately I don’t know enough to say for sure, but they are used for protocol behavior hinting. My

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-05 Thread Rostyslav Maryliak
Dear Selva, Longer test time shows the same results: *win2012r2 (iperf -c -R -t 30) + win2016 (iperf -s)* [ ID] Interval Transfer Bandwidth [ 4] 0.00-30.00 sec 1.75 MBytes *489 Kbits/sec * sender [ 4] 0.00-30.00 sec 1.58 MBytes *442 Kbits/sec * receiver I am not sure

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-05 Thread Selva Nair
Hi, On Fri, Oct 5, 2018 at 4:02 AM Rostyslav Maryliak < rostyslav.maryl...@idealscorp.com> wrote: > Dear Selva, > > I've got a similar results. Except the outbound network speed for win2016 > server. > The bandwidth in clear is about 700 Mbits/sec in both directions and > different measures

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-05 Thread Rostyslav Maryliak
Dear Selva, I've got a similar results. Except the outbound network speed for win2016 server. The bandwidth in clear is about 700 Mbits/sec in both directions and different measures (with -R option and without it): [ ID] Interval Transfer Bandwidth [ 4] 0.00-10.00 sec 880

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-04 Thread Selva Nair
Hi On Thu, Oct 4, 2018 at 10:42 AM Rostyslav Maryliak < rostyslav.maryl...@idealscorp.com> wrote: > Dear Ilya, > > As far as I understood you are talking about Windows Server Feature. If > yes than it is NOT installed. > > "are you using intel drivers instead of windows drivers ?" > I've

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-04 Thread Rostyslav Maryliak
Dear Ilya, As far as I understood you are talking about Windows Server Feature. If yes than it is NOT installed. "are you using intel drivers instead of windows drivers ?" I've installed them when I was trying to figure it out by myself. That is why I've installed all latest OS updates, network

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-04 Thread Илья Шипицин
are you using intel drivers instead of windows drivers ? is version the same accross servers ? firmware ? we dropped using vendor drivers since win 2012. what I was talking about is DCB implementation in windows, not in intel drivers (I never used that since win 2012) чт, 4 окт. 2018 г. в

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-04 Thread Rostyslav Maryliak
Dear Ilya, No, it is disabled. [image: image.png] On Thu, Oct 4, 2018 at 3:14 PM Илья Шипицин wrote: > congestion can be setup using datacenter bridging > > > https://docs.microsoft.com/en-us/windows-server/networking/technologies/dcb/dcb-manage > > actually, I thought it works in another

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-04 Thread Илья Шипицин
congestion can be setup using datacenter bridging https://docs.microsoft.com/en-us/windows-server/networking/technologies/dcb/dcb-manage actually, I thought it works in another direction (i.e. you specify it in windows and distribute to network switches). is DCB in use ? чт, 4 окт. 2018 г. в

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-04 Thread Rostyslav Maryliak
Dear Ilya, Sure, the results are the same for all our win2016 servers: PS C:\Users\Administrator> [environment]::OSVersion.Version Major Minor BuildRevision --- 10 014393 0 On Thu, Oct 4, 2018 at 2:45 PM

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-04 Thread Илья Шипицин
чт, 4 окт. 2018 г. в 15:50, Rostyslav Maryliak < rostyslav.maryl...@idealscorp.com>: > Dear Illya, > > Sorry for misleading you. I want to set this parameter to "none" globally. > I CAN change "Congestion Control Provider" setting for different > templates (i.e. Internet. Datacenter etc) in

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-04 Thread Rostyslav Maryliak
Dear Illya, Sorry for misleading you. I want to set this parameter to "none" globally. I CAN change "Congestion Control Provider" setting for different templates (i.e. Internet. Datacenter etc) in Powershell, but not to a "None" value. In Powershell there is simply no option for this value: PS

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-04 Thread Илья Шипицин
thank you for your investigation. congestion provider can be customized if you select "*Datacenter Custom"* чт, 4 окт. 2018 г. в 13:58, Rostyslav Maryliak < rostyslav.maryl...@idealscorp.com>: > Dear Ilya, > > I've checked "Get-NetTCPConnection" command output on both win2012r2 and > win2016

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-04 Thread Rostyslav Maryliak
Dear Ilya, I've checked "Get-NetTCPConnection" command output on both win2012r2 and win2016 servers. win2012r2 server works as OpenVPN server. Internal IP address - 10.0.4.1. OpenVPN tunnel IP address - 172.16.144.1 win2016 server works as OpenVPN client. Internal IP address - 10.0.44.1. OpenVPN

Re: [Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-03 Thread Илья Шипицин
Hello, can you do some things and tell us your observation ? starting with win2012 so called network profiles were introduced (Internet / Intranet / Datacenter) those profiles are very different for tcp connection (if you observe degradation in case of udp, most probably that is not related)

[Openvpn-devel] Slow outbound network speed for Windows Server 2016 only via the OpenVPN tunnel

2018-10-03 Thread Rostyslav Maryliak
Dear OpenVPN developers, I've faced a very strange issue with slow outbound network speed from Windows Server 2016 Standard server via the OpenVPN tunnel. OpenVPN server is Windows Server 2012 R2, client is Windows Server 2016. The inbound network speed for Windows Server 2016 is great. But the