Hello, I am using the Hurricane Electric Tunnel Broker to get a IPv6 Connection with my Sophos UTM.
The Connection and everything works fine. But after a time i am disconnected and need to deactivate and activate IPv6 to get reconnected.
I pinged ipv6.google.com the whole time so traffic was generated but the tunnel disconnected anyway.
Is this a normal behavior or is it a problem of the tunnel broker Hurricane Electric? a wrong configuration? or a problem of the Sophos UTM 9 Firewall?
Can anyone please help me?
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