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MikroTik App
 
biverb0910
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Topic Author
Posts: 2
Joined: Sun Nov 07, 2021 3:43 pm

L2TP / IPsec issue

Sat Nov 13, 2021 8:35 pm

Good evening.

Will appreciate if you help to solve me next problem.

VPN tunnel doen't recovery after down.

VPN client's log has a lof of massege about ipsec
2021-11-13_21-05-28.png
There is sush state of active peer from the side of VPN server. No change on establish state.
2021-11-13_21-03-42.png
Please advice why does it happen and how to fix it?

Thank you in advance.
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sindy
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Posts: 10205
Joined: Mon Dec 04, 2017 9:19 pm

Re: L2TP / IPsec issue

Wed Nov 17, 2021 9:53 pm

What exactly means the "down" in "recovery after down"? Is it a reboot of the client, a reboot of the server, or the internet connection between them is not transparent for a moment while the two Mikrotiks themselves keep running?

While in this state (client is trying to connect but receives no answers), what does /ip firewall connection print where dst-address~"500" or src-address~"500" show at both the client (initiator) and the server (responder)?

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