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Cannot make a S2S IPSEC vpn with Er605 and Unifi UCG
Cannot make a S2S IPSEC vpn with Er605 and Unifi UCG
Cannot make a S2S IPSEC vpn with Er605 and Unifi UCG
Posts: 5
Helpful: 1
Solutions: 1
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Registered: 2025-10-13
a week ago - last edited a week ago
Posts: 5
Helpful: 1
Solutions: 1
Stories: 0
Registered: 2025-10-13
Cannot make a S2S IPSEC vpn with Er605 and Unifi UCG
a week ago - last edited a week ago
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Hi guys!
I'm just getting out of options, I'm trying to estabilishing a Site-to-Site VPN with my customer ER605 and my Unifi UCG.
Already tried every options from SHA, IKE versions, PSK, PFS but nothing see to work, everytime i get on the logs of the UCG: NO-PROPOSAL-CHOSEN.
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Re:Cannot make a S2S IPSEC vpn with Er605 and Unifi UCG-Solution
a week ago - last edited a week ago
I just found the problem.
I need to use the IP on the tunnel configuration on the er605 side, because when he tries to resolve the name, he got the reverse ip instead.
When I change it to the IP worked like a charm.

Thanks for the guidance!
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a week ago - last edited a week ago
Posts: 5
Helpful: 1
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Registered: 2025-10-13
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