[GitHub] [cloudstack] xuanyuanaosheng commented on issue #7294: How to achieve connectivity between different VPCs under the same zone in CloudStack?

["xuanyuanaosheng (via GitHub)" <gi...@apache.org>]

xuanyuanaosheng commented on issue #7294:
URL: https://github.com/apache/cloudstack/issues/7294#issuecomment-1471491728

   1.  This can connect them via a private gateway or through a vpn. of course you'll need to have your underlaty in order to allow for the connectivity
   2.  private gateways in same zone should work.
   3.  https://www.youtube.com/watch?v=VwNPTEcyhMY
   4.  https://blog.remibergsma.com/2017/01/19/inter-vpc-connectivity-made-easy-in-cosmic-5-3/
   5.  Configuring connectivity between CloudStack hosted VPCs can be done by either using private gateways – which has to be configured by CloudStack root administrators to use dedicated network segments
   
   ![image](https://user-images.githubusercontent.com/4197714/225549332-113544f4-af19-4026-a3ed-452af5bf2699.png)
   
   
   The Zone name is Tesra,  The goal is **achieve connectivity between VPC-103 and VPC-104  using VPC Private gateway under the Tesra zone.**
   
   The VPC-103 info:
   -  CIDR: 10.26.28.0/22
   -  Public IP addresses:10.26.20.63 (source-nat)
   -  Virtual routers: r-78-VM | Running | 10.26.20.63 | 4.17.2
   -  Have two tier: VLAN-1128 (CIDR:10.26.28.0/24) and VLAN-1129 (CIDR: 10.26.29.0/24)
   -  Have two VM in order to test: 10.26.28.73 and 10.26.29.94,They can ping each other.
   
   The VPC-104 info:
   -  CIDR: 10.26.32.0/22
   -  Public IP addresses:10.26.20.67 (source-nat)
   -  Virtual routers: r-77-VM | Running | 10.26.20.67 | 4.17.2
   -  Have two tier: VLAN-1132 (CIDR:10.26.32.0/24) and VLAN-1133 (CIDR: 10.26.33.0/24)
   -  Have two VM in order to test: 10.26.32.114 and 10.26.33.231, They can ping each other.
   
   ---
   
   Use VLAN id that is not in Guest vlan range (1121-1130), like 1141
   
   
   
   The below is VLAN-1128 (CIDR:10.26.28.0/24)  <==> VLAN-1132 (CIDR:10.26.32.0/24)
   
   The VPC-103 config:
   ![image](https://user-images.githubusercontent.com/4197714/225553553-01292510-361c-4e2d-b039-9cd45bc05146.png)
   
   ![image](https://user-images.githubusercontent.com/4197714/225553779-58cbede9-d6b4-454a-8d7f-217d3620f7bb.png)
   
   ![image](https://user-images.githubusercontent.com/4197714/225553841-30073b08-ef4f-42eb-8b9d-3bca6721d4f4.png)
   
   The VPC-104 config:
   
   ![image](https://user-images.githubusercontent.com/4197714/225554191-8471ce5e-8404-4fef-bb4c-e8838462c65e.png)
   
   ![image](https://user-images.githubusercontent.com/4197714/225554267-3d8319be-433a-4c83-a62c-0d3425de8e69.png)
   
   ![image](https://user-images.githubusercontent.com/4197714/225554359-61b19f2e-f9d9-45f0-98a3-dc576c4d96d2.png)
   
   
   
   


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