On Mon, 21 Feb 2022 13:05:17 +0000, André via Openvpn-users
<openvpn-users@lists.sourceforge.net> wrote:

>Hi,
>
>According to
>"RMerlin Asuswrt-Merlin dev" the Asus RT-AC-86U can "hit 200 Mbps of OpenVPN 
>throughput".
>
>"LouisvilleUK" states "I'm getting full 200 down throughput with PrivateTunnel 
>VPN using AES-128-GCM on the RT-AC86U".
>
>
>https://www.snbforums.com/threads/openvpn-performance-of-the-rt-ac86u.41217/page-2
>
I am running OpenVPN 2.4.7 on the server, what ASUS RT-AC68U or RT-AC86U are
running I don't know...

So can I set the following in the server side ccd config for the ASUSrouter
client and then the router's OpenVPN client will adhere to the setting?

#Set different cipher for the ASUS router client
cipher AES-128-GCM
push "cipher AES-128-GCM"

The full ccd file looks like this in that case:

iroute 192.168.117.0 255.255.255.0
#Disable compression and push it to the client
comp-lzo no
push "comp-lzo no"
#Set different cipher for the ASUS router client
cipher AES-128-GCM
push "cipher AES-128-GCM"

Will this also work on the older RT-AC68U router?
I.e. should I wait until I have replaced the router on the remote LAN?

Right now the cipher line in the main server.conf and client ovpn files looks
like this:
cipher AES-256-CBC

Is this the culprit, being 256 rather than 128???

I do not know what is the difference between GCM and CBC...



-- 
Bo Berglund
Developer in Sweden



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