Resolved: Min hardware requirements using VPN for 300Mbps?

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GlenG_Alberta
DD-WRT Novice


Joined: 08 Dec 2018
Posts: 11

PostPosted: Sun Jun 30, 2019 20:53    Post subject: Resolved: Min hardware requirements using VPN for 300Mbps? Reply with quote
I am trying to make use of my 300Mbps internet connection but can't find any information related to speed based loosely on the processor using dd-wrt with VPN script.
I found a PC that has all the hardware but I just don't know if it will be fast enough and I'll use my current wireless router as the built in wireless probably won't work. Its the Mini PC Celeron J1900 Quad Core Windows 10 Dual LAN 2*COM Fanless Mini Computer, and here is the link,

https://www.ebay.com/itm/Mini-PC-Celeron-J1900-Quad-Core-Windows-10-Dual-LAN-2-COM-Fanless-Mini-Computer/382737670930?hash=item591cf16312:m:ma9bYP7PemRKSuLQBDxyvCA

Does dd-wrt take advantage of multiple cores on a X86 PC?

What is the biggest bottle neck for dd-wrt? Where to put the money?

Is there a preferred type of processor?


Thanks in advance,
Glen.

It looks like (I think) the scripted OpenVPN will be the bottle neck as it will only use one core. The CPU clock speed has to be high and it must have lots of cache but anymore than 1 core is wasted. It looks like I have answered my own question (above), but not fixed the problem.

Glen.
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slybunda
DD-WRT User


Joined: 09 Jan 2010
Posts: 464

PostPosted: Wed Aug 28, 2019 8:09    Post subject: Reply with quote
do vpn on the server itself. i use server 2008 and inbuilt vpn server with l2tp/ipsec aes encryption. i got a dual core pentium cpu 3.2ghz and i get 380mbit throughput with is the limit of my internet connection.
hebeda
DD-WRT User


Joined: 18 Sep 2006
Posts: 395
Location: Leipzig, Germany

PostPosted: Tue Sep 17, 2019 15:29    Post subject: Reply with quote
look for AES-NI CPU feature, DD-WRT support that AES Hardware acceleration

the J1900 CPU doesnt support that, so openvpn is extremly slow with that CPU

see here for all intel CPU with AES-NI support

https://ark.intel.com/content/www/us/en/ark/search/featurefilter.html?productType=873&0_AESTech=True

many AMD CPU support that aswell, for instance the AMD CPU in the PCengines APU Platform support up to 140mpbs openvpn AES 256bit ....
kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 2003
Location: Texas, USA

PostPosted: Tue Sep 17, 2019 18:03    Post subject: Reply with quote
All of my recent VPN-capable installs have been either pfSense or OPNSense.
tatsuya46
DD-WRT Guru


Joined: 03 Jan 2010
Posts: 7098
Location: YWG, Canada

PostPosted: Wed Oct 09, 2019 20:09    Post subject: Reply with quote
i got my i3 4150 for $57 cdn
_________________
LATEST FIRMWARE(S) || Qualcomm Atheros Wi-Fi Settings Guide || Qualcomm Atheros Repeating

[X86-64] Haswell i3-4150 ------------> DD-WRT v3.0-r41328 std
[QUALCOMM] R7800 -----------------> DD-WRT v3.0-r40270M kongat
[QUALCOMM] DIR-862L --------------> DD-WRT v3.0-r41328 std
[QUALCOMM] WNDR4300 v1 --------> DD-WRT v3.0-r41328 std
[QUALCOMM] DIR-862L --------------> DD-WRT v3.0-r41328 std
▲ ACTIVE / INACTIVE ▼
[BROADCOM] DIR-860L A1 ----------> DD-WRT v3.0-r40634 std

BrainSlayer wrote:
we just do it since we do not like any restrictions enforced by stupid cocaine snorting managers

If you use DSLReports please enable hi-res bufferbloat.


Sigh.. why do i exist anyway..
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