VMware NSX Migration for VMware Cloud Director 1.4.1

VMware NSX Migration for VMware Cloud Director 1.4.1 was released with new features:

  • External Networks directly connected to NSX-T Tier-1 Gateway: VMware Cloud Director version 10.4.1 or higher allows connecting an NSX-T overlay or VLAN-backed external network to a gateway via service interface connection. VLAN segment-backed external network can be connected to only one edge gateway (a single network can be connected to a single edge node per VLAN Id). The migration tool will create necessary static routes when the default gateway is towards the external network that is directly connected to the edge gateway.
  • Support for Transparent Load Balancing: You can migrate edge gateways with load balancer service having transparent pools configured with VMware Cloud Director version 10.4.1.
  • Support for Load Balancer VIP (IPv4) from Org VDC Network Subnet: You can migrate edge gateways with load balancer virtual service VIP and load balancer pools using IPv4 address from Org VDC network subnet with VMware Cloud Director version 10.4.1.
  • Edge Gateway Assessment Reports: The migration tool in addition to the existing Assessment and Summary reports will also create an Edge Gateway detailed report and a Load Balancer detailed report when they run in V2T assessment mode. These reports contain a detailed analysis of edge gateways and load balancer services enlisting the Objects (Name/ID) causing possible blockage of migration.
  • NAT service Enhancement: From VMware Cloud Director version 10.4.1  onwards, Org VDC networks on which NAT rules are applied will be migrated as Non-Distributed networks. When such NAT rules are created on the NSX-T edge gateway, they will be applied to their respective Non-Distributed Org VDC network interface as per their NSX-V counterpart. NAT rules will also be applied to segment-backed external network in case of NSX-T edge gateway uplink connected to it via the service interface.
  • Firewall Service Enhancement: From VMware Cloud Director version 10.4.1 onwards, firewall rules on NSX-T backed edge gateway will be applied to the Org VDC network to which they are scoped. The scope of firewall rules will be determined from the NAT rule using the firewall rule IP address. In case if no NAT rule using the firewall rule IP address, then the firewall rule will be applied to all edge gateway interfaces.
  • Enhancement to reduce downtime during migration and rollback: Modified the workflow of migration and rollback to reduce downtime during N-S network switchover.
  • Workaround to fix network connectivity loss issue after NSX-T to NSX-V vMotion: For NSX-T to NSX-V migration, when migrating a workload VM back to NSX-V, the network connectivity might not work because the distributed firewall filter in NSX-T is always higher than in NSX-V. The workaround is to place the workload VM in the NSX-T exclusion list before vMotion

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