Remember VM.Standard2.4 is limited to four network interfaces. One for MGMT and three for dataplane.

VM.Standard2.8 is limited to eight network interfaces. One for MGMT and three for dataplane.

Since 2020, VM.Standard2.1 will also cover a VM-100 if needed.

Load balancers will cost you about £0.40 per day.

Block Storage for Firewalls will cost you about £0.15 per day per firewall.

When clearning out a lab account, do not forget to got to Compute > Boot Columes and delete all instances. Otherwise you will be paying £5-£10 a month.

Remember, if you use the root compartment, you may run into issues deploying HA policy.

HA1 cannot use MGMT interface when MGMT interface is set to DHCP. You have to set the MGMT IP to be static. I also found that I had to go into the HA1 config, select MGMT and then select it from the drop down list (the preselected MGMT is somehow wrong).

Oracle supports only the following parameters for phase-2 (when your office firewall connects VPN to Oracle VPN gateway).

• IPSec Protocol: ESP
• Encryption: aes-256-cbc
• Authentication: sha1
• DH Group: group5
• Lifetime: 3600 secs