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I have a hyper-v Host with ip address 178.157.51.26/29

and I have four virtual machines with these ip addresses:

  • 178.157.51.27/29
  • 178.157.51.28/29
  • 178.157.51.29/29
  • 178.157.51.30/29

the default gateway that is set on nic 1 for the Host is 178.157.51.23

I have set up an external virtual switch on nic 2, and added this vNIC to those VMs.

but my virtual machines can't ping the gateway. don't know what the problem is.


note: when two NICs on a machine have the same subnet, only one of them can have a default gateway.

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