[GitHub] bdonnahue opened a new issue #2996: GRE Isolation Broken in VPC Tier

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bdonnahue opened a new issue #2996: GRE Isolation Broken in VPC Tier
URL: https://github.com/apache/cloudstack/issues/2996
 
 
   ##### ISSUE TYPE
    * Bug Report
   
   
   ##### COMPONENT NAME
   GRE Isolation / VPC Tier
   
   ##### CLOUDSTACK VERSION
   4.11.2.0
   
   ##### CONFIGURATION
   I have a VPC and a VPC Tier
   I have an advanced zone which uses GRE Isolation
   The zone hosts one pod and two clusters.
   Each cluster has its own XenServer hypervisor
   
   
   
   ##### OS / ENVIRONMENT
   N/A
   
   
   ##### SUMMARY
   I created wto VMs on two different hosts and attached them to the same vpc tier. The vms cannot communicate with eachother.
   
   
   ##### STEPS TO REPRODUCE
   Create the advanced zone with GRE Tunnel Isolation
   Create two clusters
   Attach a host to each of the clusters
   Create VMs on each host which are conected to same vpc tier
   Ping host A from host B
   
   ##### EXPECTED RESULTS
   DHCP lease assigned to both vms
   Both vms can ping internet and eachother
   
   ##### ACTUAL RESULTS
   No lease assigned to one of the VMs (the one not on the same machine as the router vm)
   VMs cannot ping across hosts

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