ipsec vpn still not working after 4.73 Patch 2 update

Radu_Stanila
Radu_Stanila Posts: 3
First Comment
in Security

Hello

I have around 7-8 vpn tunnels between zyxel USG60W , Azure, zyxel flex, etc

Even if I see vpn tunnel established, there is no inbound traffic through the tunnel.

This is totally random. Today there is a vpn tunnel not working , next day another one, after restart the vpn tunnels which worked do not work anymore, etc

What is the problem ? Is there any fix for this?

All Replies

  • Zyxel_Kevin
    Zyxel_Kevin Posts: 888  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 500 Comments

    Hi @Radu_Stanila ,
    Greeting Forum,

    May we have remote session to check the issue ?

    We can start at 08:00~17:00 (UTC+8) . Thank you

  • Radu_Stanila
    Radu_Stanila Posts: 3
    First Comment

    can we have the session now ? what do yo prefer ? zoom ?

  • Zyxel_Kevin
    Zyxel_Kevin Posts: 888  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 500 Comments

    Hi @Radu_Stanila ,

    Thank your time today.

    USG60w has some problem when decryted ESP header, so the traffic doen't reach the peer lan correctly.

    Now works fine after switching to AH.

    Please feel free to contact me if any concerns. Thank you

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