R7800 openvpn unusual client log entries

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Mrmad1966
DD-WRT Novice


Joined: 19 Oct 2017
Posts: 34

PostPosted: Tue Mar 10, 2020 15:43    Post subject: R7800 openvpn unusual client log entries Reply with quote
Folks/Gurus
I've only recently had some problems on my network. Clients have mentioned how the network seems slower than usual and some smart devices have become unresponsive on occasions. On exploring my syslogs I have noticed entries (namely the cipher incoming and outgoing AES) entries quite regular which I can not provide an explanation for. If anyone could shed any light on any possible explanations I'd be grateful. Please see my attached screenshot
Thanks
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egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 5920
Location: Netherlands

PostPosted: Tue Mar 10, 2020 17:51    Post subject: Reply with quote
That is nothing to worry about and not pointing to any problem

Your remote client has comp-lzo in its config and you have Compression Disabled, that is what it is complaining about but it is only a warning, if you want to get rid of the warning adapt the remote client.

The cipher defaults to AES-256-GCM if you do not want that then you have to specify otherwise, same for the control channel.

OpenVPN is always complaining about link-mtu just ignore it.

So nothing wrong and not related to any problem you have

_________________
Routers:Netgear R7800, Netgear R6400v1, Netgear R6400v2, Linksys EA6900 (XvortexCFE), Linksys E2000 (converted WRT320N), WRT54GS v1.
OpenVPN Policy Based Routing guide: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=321686
Install guide R6400v2:http://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
OpenVPN Server Setup:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=318795
Install guide R7800: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Wireguard server setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1183135
Wireguard client setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324624
Wireguard Advanced setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324787
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
Mrmad1966
DD-WRT Novice


Joined: 19 Oct 2017
Posts: 34

PostPosted: Tue Mar 10, 2020 19:33    Post subject: Reply with quote
egc wrote:
That is nothing to worry about and not pointing to any problem

Your remote client has comp-lzo in its config and you have Compression Disabled, that is what it is complaining about but it is only a warning, if you want to get rid of the warning adapt the remote client.

The cipher defaults to AES-256-GCM if you do not want that then you have to specify otherwise, same for the control channel.

OpenVPN is always complaining about link-mtu just ignore it.

So nothing wrong and not related to any problem you have


Thank you so much for taking time to respond. Really appreciate the reassurance
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