John Burwell created CLOUDSTACK-590:
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Summary: Incorrect Network Gateways Assigned to System VMs
Key: CLOUDSTACK-590
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-590
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Components: Management Server, Network Devices, Xen
Affects Versions: 4.1.0
Environment: Ubuntu 12.04.1, Xen 4.1 running on VirtualBox 4.2.4
Reporter: John Burwell
Priority: Critical
When configuring a network with a DNS on a different network, CloudStack
creates an incorrect route for system VMs. Using the following network
configuration, a route between 10.0.3.2 and 192.168.56.1 is incorrectly created:
* Management Network: 192.168.56.100-192.168.56.149 gw 192.168.56.1 dns
10.0.3.2
* Guest Network: 10.0.3.200-10.0.3.220 gw 10.0.3.2 dns 10.0.3.2
It appears that CloudStack assumes a route between 192.168.56.1 and 10.0.3.2
based on the DNS configuration. This assumption is false, and not explicitly
specified in the configuration. CloudStack should defer to the router to make
the this topology function.
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