Which version of dd-wrt firmware should i choose?

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E1415
DD-WRT Novice


Joined: 25 Jul 2021
Posts: 1

PostPosted: Sun Jul 25, 2021 8:58    Post subject: Which version of dd-wrt firmware should i choose? Reply with quote
I got a used (but still functional) TL-WR940N v1 router, now i want to install a vpn on it but my router dont natively support it so i want to flash my router with dd-wrt firmware but i dont know which version should i choose for my router this old
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egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 8160
Location: Netherlands

PostPosted: Sun Jul 25, 2021 9:05    Post subject: Reply with quote
To get the best out of DDWRT and the forum read the forum guidelines with helpful pointers:
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087

If you have not already read the forum guidelines, please do !!

You are posting in the wrong forum (the general questions forum is not for router specific questions) see the forum guidelines!

I will transfer this thread to the appropriate forum for you Smile

However I am not very optimistic, I think this is a 4 MB flash router and it could well be that there is no VPN version for this router

_________________
Routers:Netgear R7800, R6400v1, R6400v2, Linksys EA8500, EA6900 (XvortexCFE), E2000 (converted WRT320N), WRT54GS v1.
WireGuard Documents & Guides:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=327397
OpenVPN Documents & Guides: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=327398
IPSET: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=327261
Install guide R6400v2:http://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087


Last edited by egc on Sun Jul 25, 2021 9:07; edited 2 times in total
blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 3155

PostPosted: Sun Jul 25, 2021 9:05    Post subject: Reply with quote
With 4 MB flash I think you are out of luck. Cannot find a TL-WR940N v1 folder, however...

Supported devices "Special Features Notes" it is WR941NDv4 without detachable antennas.
kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 10139
Location: Texas, USA

PostPosted: Sun Jul 25, 2021 10:13    Post subject: Reply with quote
Your router is not officially supported. Flashing an image for another device is completely at your own risk. 4MB flash Atheros devices will not have any kind of OpenVPN or Wireguard VPN included, if I am not mistaken. I have a TL-WR940Nv3, which is officially supported, and does not have anything you seek. All you will have is PPTP which is considered insecure and deprecated.
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ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2241
Location: Canada

PostPosted: Mon Jul 26, 2021 3:03    Post subject: Cheap VPN router Reply with quote
The other thing to be aware of is VPN throughput. Using a VPN on any router is taxing on the CPU. A single-core CPU ~750MHz will only handle about ~30MB/s through a VPN. A router with a CPU under that is probably not even worth it.

This has been proven using TP-Link Archer C7, for example. That router does have support for OpenVPN and WireGuard (not sure about WireGuard).

In order to get ~100MB/s throughput through a VPN you need a dual-core router like a Netgear R7800 (dual-core, 1.4GHz).

_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.
QCA Best WiFi Settings


Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one.

Atheros:
Netgear R7800 - WDS AP, gateway, QoS
TP-Link Archer C7 v2 x2 - WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - WDS Station
D-Link 615 C1/E3/I1 x 7 - some gateway
D-Link 825 B1 - WDS Station
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - not used
UBNT loco M2 x2 - airOS

Broadcom
Linksys EA6400 - Gateway, QoS
Asus N66U - AP
Linksys 160N v3 x2 - not used
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - switch
blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 3155

PostPosted: Mon Jul 26, 2021 5:03    Post subject: Reply with quote
Also, with a recommended router you can run the newest firmware builds without thinking or any hesitation.
Alozaros
DD-WRT Guru


Joined: 16 Nov 2015
Posts: 4524
Location: UK, London, just across the river..

PostPosted: Mon Jul 26, 2021 7:20    Post subject: Reply with quote
small correction single core CPU @720-750Mghz VPN max speed is 10Mbit...running chachapoly or even the lowest encryption 128GCM...

4MB flash size routers do not have VPN, as well some other useful services...
Those are only for a basic needs...!

_________________
Atheros
TP-Link WR740Nv1 ---DD-WRT 47117 BS AP,NAT
TP-Link WR1043NDv2 -DD-WRT 47479 BS AP,NAT,AP Isolation,Ad-Block,Firewall,Local DNS,Forced DNS,DoT,VPN,VLAN
TP-Link WR1043NDv2 -DD-WRT 47381 BS AP,NAT,Ad-Block,Firewall,Local DNS,Forced DNS,DoT,VPN,VLAN
TP-Link WR1043NDv2 -Gargoyle OS 1.12.0 AP,NAT,QoS,Quotas
Qualcomm Atheros/
Netgear R7800 --DD-WRT 47381 BS AP,NAT,AD-Block,AP&Net Isolation,VLAN's,Firewall,Local DNS,DoT,Vanilla
Netgear R9000 --DD-WRT 47479 BS AP,NAT,AD-Block,AP Isolation,Firewall,Local DNS,DoT,2,4Ghz only,Vanilla
Broadcom
Netgear R7000 ---DD-WRT 47381 BS AP,Wi-Fi OFF,NAT,AD-Block,Firewall,Local DNS,Forced DNS,VLAN's,DoT,VPN
------------------------------------------------------
Stubby for DNS over TLS I DNSCrypt v2 by mac913
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