we have setup Sit to Site VPN to Azure.
we don't have problem to access Azure from On-Premises.
Also we have just setup RED on UTM and add to Lan zone, but we cannot access Azure resource. RED tunnels keep disconnect when we ping Azure resource.
We created RED zone for another RED device and add it on RED zone.
We setup RED-LAN and RED-WAN rules. there is no problem to access Lan resources from RED.
but after we created RED-VPN rules, RED tunnel keeps disconnecting when we ping Azure resource either.
what is the problem?
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