Wireguard + CARP

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Perun

Jr. Member
Posts: 99
Karma: 0

Wireguard + CARP

« on: April 07, 2023, 02:57:16 pm »

Hi

I've a problem with CARP and Wireguard. If my fallback opnsense runs (CARP Backup) then seems that Wireguard lost some UDP datagramms. If I turn it off, then it works ok.
It seems the lose of the datagramms depends on the keepalive interval.
Does someone know such a problem?

Greetz

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mimugmail

Hero Member
Posts: 6766
Karma: 494

Re: Wireguard + CARP

« Reply #1 on: April 08, 2023, 12:05:20 am »

There is a Script around to stop/start wg only on Master, just search the forums

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WWW: www.routerperformance.net
Support plans: https://www.max-it.de/en/it-services/opnsense/
Commercial Plugins (German): https://opnsense.max-it.de/

Perun

Jr. Member
Posts: 99
Karma: 0

Re: Wireguard + CARP

« Reply #2 on: April 08, 2023, 09:25:19 pm »

you mean this here?

https://gist.github.com/jprenken/18ca7bf14ddae547ae0fdf6f56d72573

I disable Wireguard on the backup router and wait till the patches are added to a release...

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mimugmail

Hero Member
Posts: 6766
Karma: 494

Re: Wireguard + CARP

« Reply #3 on: April 09, 2023, 07:42:02 am »

Yep

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WWW: www.routerperformance.net
Support plans: https://www.max-it.de/en/it-services/opnsense/
Commercial Plugins (German): https://opnsense.max-it.de/

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