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Failure to set up a full tunnel mesh for a tier shall result in VM deployment failure.

troubleshooting

To aid trouble shoot in case of connectivity or network acl functionality issues when VPC is enabled with distributed router, an admin API shall be introduced in OVS plugin that shall expose below details maintained by OVS topology guru and OVS tunnel manager

• list of hosts on which VPC spans
• state(enabled/disabled) of logical router on a host for the VPC
• state of tunnels between the hosts

Performance and scaling issues

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