Hi , have 2 dynamic isp at site 1 with single vr and ECMP and 1 public ip at site 2 paloalto at OCI cloud , i have setup dual tunnels from site 1 to site 2 but its not stable at all and most of times if we simulate failover using either path monitoring or tunnel monitoring we can see that vpn is stuck in initiating phase. We used below guide
With Dynamic Public IPs for the ISPs it would be preferable to use FQDNs and something like DynDNS to keep them update, otherwise every time your IPs change you will need to update the VPN peering, but that doesn't sound like the issue here.
Does the Tunnel ever establish on the failover ISP? Does Phase 1 establish, but not phase 2? Are you getting any log messages on either side of the tunnel indicating what the issue could be related to?
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