Gestion des réseaux et des IP - ESXi : How to configure IPv4 network to use newer style CGNAT (100.64.0.1) default gateway ?
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ESXi : How to configure IPv4 network to use newer style CGNAT (100.64.0.1) default gateway ?
Von
7hstek7
Erstellungsdatum 2025-10-13 03:03:32 in Gestion des réseaux et des IP

Hello all,

 

Anyone can provide assistance in configuring the IPv4 vmkernel (vmk0) interface so ESXi accepts the default gateway 100.64.0.1 ?

Right now the standard esxi utilities prohibits adding such a route:

[root@localhost:~] esxcfg-route -a default 100.64.0.1
Setting default route for VMkernel to 100.64.0.1
Error: Unable to set VMkernel gateway address to 100.64.0.1 as there are no VMkernel interfaces on the same network with that IP address.

 

Thanks
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1 Antwort ( Latest reply on 2025-10-21 12:04:10 Von
^FabL
)

Hi there,

Has everything been sorted out on your end? 😊

👉 If the issue has been resolved or you’ve found a solution, please share it — it could really help other members facing the same situation.

🔎 If the problem is still there, could you give us a bit more detail? A few extra pieces of information will help the community provide more accurate support.

Thanks in advance for your feedback and participation — it’s thanks to your contributions that our community stays active and helpful to everyone 💪

^FabL
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