Transit Hub / Spoke Routing Issue
Summary
IPSECVPN->DRG->HubLPG->SpokeLPG->Subnet->Host fails intermittentlyContent
Yesterday we configured some transit routing from our on-prem network via ipsec VPN using reference architecture. It was working, then it went down, then it went back up. To help troubleshoot we created a Linux VM in the Hub VCN.
We determined:
- The ipsec VPN connection did not go down while the spoke was down.
- We could connect to the Linux VM within the Hub VCN when the spoke was down.
- We could connect to the Spoke VM from the Linux VM within the Hub VCN when the spoke was unavailable via VPN
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