The automation tools used for the migration from NSX-V to NSX-T will cause a few changes to the formatting of the rules on your edge:
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Firewall Rules
NSX-V Edge Firewall
NSX-T Edge Firewall
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All source and destination networks or IP addresses will migrate migrated to IP Sets for each Rule. The migration tools provided by Vmware VMware do not create very human readable names, so you may wish to rename them. You can rename IP Set Sets as you wish.
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NAT
NSX-V Edge NAT
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NSX-T Edge NAT
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If you use the Edge for DNS relay, change the DNS
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IP within each VM’s OS to special Listener IP. You can obtain it in DNS forwarder IP on Edge level (default value is 192.168.255.228).
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Shared networks
NSX-V Shared network
By default shared network will be accessible to all vDC vDCs in your organization
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NSX-T Shared network
Shared Network transformed into Datacenter Data Center Group with two participant vDCvDCs, Edge to which the network is connected will be add as Egress point
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DNS
During the migration process will be changed DNS setting , the DNS settings for Organization Network will be changed, if Primary DNS server = Gateway IP.
You must themself change from the old value 192.168.90.1 to the new value 192.168.255.228 inside operation the Operating system as soon as possible after the migration if needed.
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