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Cisco 891 to Cisco RV042 VPN not connecting

I am trying to get a VPN from a Cisco 891 to RV042 through a netgear cell modem. The RV042 currently has VPN connections working from other sites. I configured the 891 with CCP and for what I can tell the DH Group, Encryption and Authentication are correct. But the tunnel won’t come up. In the logs it say’s “(g2gips2) #415028: [Tunnel Negotiation Info] Main Mode Phase 1 SA Established”.

Then it says “(g2gips2) #415028: cannot respond to IPsec SA request because no connection is known for IP:4500...external:43731===”.

On the netgear I have opened up ports 500, 4500, 50, 1701, 1723,

I’m an at a loose of what to try next to make it work.

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