OCI: Unable to Access the Internet From Cloned Ubuntu 20.04 Instance
Applies to:
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Symptoms
A new instance was created from a cloned boot volume of another running Ubuntu 20.04 instance.
After starting the new instance using the cloned boot volume, networking is up, but the route command does not show any configured network gateway:
$ route Destination Gateway <instance subnet> 0.0.0.0
Cause
The network settings for OCI instances are obtained by default from the OCI backend infrastructure.
It is likely that the existing configurations from the cloned boot volume may have interfered with the Network Manager setup during the instance’s first boot.
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