CloudStack SSVM Network Topology with XenServer

For those trying to debug SSVM networking, the following screenshots should help narrow down the issue. These screenshots are from a Apache CloudStack 4.3.0 environment with XenServer hypervisor hosts. Each XenServer hosts has 4 physical network interfaces labeled as below: NIC0 – MGMT NIC1 – STORAGE (NOTE: Storage is unused in my setup) NIC2 –… Continue reading CloudStack SSVM Network Topology with XenServer

CloudStack Advanced Zone With Security Groups

A Shared Network in CloudStack can be used to assign public IPs to guest VM instances instead of internal private IPs. A Guest VM with a routable public IP is directly reachable from the Internet without using any NAT services. Services providers usually create a one or more shared networks with public subnets to provide… Continue reading CloudStack Advanced Zone With Security Groups

Internet Not Working On CloudStack VMs

Sensational title but an apt one for this blog post as it seems to be frequently asked question on the #cloudstack IRC channel and on the mailing lists. 🙂 Below are a few troubleshooting steps to check whats going wrong with your network…