Alex,

> You need to start the vpx with a nic in the management network.  In
> CloudStack code, SSVM (Secondary Storage Virtual Machine) and CPVM
> (Console Proxy Virtual Machine) both have examples of this.  They both
> have agents that connect back to CS Management server over the
> management network.

Yes we can add a nic(vif) to a vpx in the management network and ensure reach 
ability to the CS mgmt server. But how about the CS mgmt ports such as 8080/443 
- they may be blocked by intermediate firewall/VR? Also please note unlike SSVM 
from vpx we may be able to issue a finite ( restricted) set of CS API calls so 
we may not be able to issue firewall rule related API calls. Also the load 
balancer devices can be placed into network from outside the context of 
CloudStack and later the device can be added into CloudStack using 
addNetscalerLoadbalancer()API.

So to put it another way - Can the VMs spread across various guest networks 
reach out to the CS mgmt server using a same IP ?


Thanks,
Ram

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