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vCloud Networking Issue

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Hi all,

 

We've recently encountered an odd problem with our vCloud/vSphere networking environment that I'm hoping someone could shed some light on.

 

Our environment:

- Two host clusters with 4 hosts in each.

- Both clusters have vApps deployed through vCloud and have been working fine for months.

- All vApp networking is through a vApp network with NAT routing configured to an external IP for each VM. Firewall is currently disabled (for testing).

- Each vApp network has a vShield Edge appliance.

 

The issue:

In one of the two environments, none of the VM's within any vApp can ping each other, nor can they ping the gateway for the vApp network.

Any workstation coming in from the physical network to the virtual environment can ping the entire virtual envrionment up to and including the vShield Edge appliance for the vApp network, but can't ping any VM's internal to the vApp.

 

Short story is, it would appear that for whatever reason, networking between the vse appliance and vApp VM's isn't functioning correctly. I've tried resetting the vApp networks but haven't got a clue as to where to continue.

 

Any help would be greatly appreciated and let me know if more info is required.

 

Simon


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