jack99trade commented on issue #5897:
URL: https://github.com/apache/cloudstack/issues/5897#issuecomment-1023932144


   > I don't see an issue, except maybe lack of functionality for a user. Why 
would a user want a network without sourcenat? what would they do in it? no 
access to internet from VMs they create in it...? I have no issue with allowing 
it, you might want to have a network with only static nat maybe, but otherwise 
it would be completely useless. @weizhouapache maybe the restriction was added 
before static nat was available? ..., bit of a strange situation.
   
   hi @DaanHoogland ,   There are some scenarios where User just want IP 
connectivity between machines and all Machines default route is set to Internal 
Gateway(Firewall Instance with Public IP) and able to use Internet. These all 
machines are in Cluster and have multiple Nics  , if all use Source Nat based 
offering then lot of public ips and system vm routers are consumed.  if option 
is given to user to choose no-source nat based network the all this can be 
achieved with 1 public IP and and 1 system vm router.  Note: Currently users 
are able to create no-source Nat based network via API . they just don't get 
the option via GUI. 


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