Proposal errors on IPSEC IKEv1 VPN between Flex 500 and USG 40

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ZZChrisEvans
ZZChrisEvans Posts: 1 image  Freshman Member
in Security

I'm trying to setup a S2S VPN between 2 sites, one using a Flex 500 and the other is a USG 40.

I've tried creating the objects manually and with the wizard but both times I get "No proposal chosen" errors in the log.

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I have double checked the phase 1 parameters and they all match.

Is there a trick to this that I'm missing?

All Replies

  • Zyxel_James
    Zyxel_James Posts: 809 image  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate 100 Answers

    Are both devices showing "no proposal chosen"?
    Is one of the devices behind NAT?

    Is it possible to provide remote access to your devices? you may contact me via private message, thanks.

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