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Posted to commits@cloudstack.apache.org by "hale177 (via GitHub)" <gi...@apache.org> on 2025/08/19 03:34:27 UTC
[I] V4.20.1 VPC's virtual machines can only communicate when a virtual router is running on the Host Node [cloudstack]
hale177 opened a new issue, #11467:
URL: https://github.com/apache/cloudstack/issues/11467
### problem
with two host nodes (A and B), if the VPC's virtual router runs on Node A, only the VMs on Node A will have network connectivity—VMs on Node B will not ，VMs DHCP Unable to get IP address
but when I migrate the virtual router from Node A to Node B, only VMs on Node B gain network connectivity, while those on Node A lose it.
### versions
mgmt OS： rocky 9.6
host OS: rocky 9.6
acs version: 4.20.1
### The steps to reproduce the bug
1. with two host nodes (A and B), if the VPC's virtual router runs on Node A, only the VMs on Node A will have network connectivity—VMs on Node B will not
2. However, when I migrate the virtual router from Node A to Node B, only VMs on Node B gain network connectivity, while those on Node A lose it.
3.
...
### What to do about it?
_No response_
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Re: [I] V4.20.1 VPC's virtual machines can only communicate when a virtual router is running on the Host Node [cloudstack]
Posted by "rajujith (via GitHub)" <gi...@apache.org>.
rajujith commented on issue #11467:
URL: https://github.com/apache/cloudstack/issues/11467#issuecomment-3199215679
@hale177 can you check whether the VLAN for the guest network is trunked on the switchports of both the hosts A & B?
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Re: [I] V4.20.1 VPC's virtual machines can only communicate when a virtual router is running on the Host Node [cloudstack]
Posted by "DaanHoogland (via GitHub)" <gi...@apache.org>.
DaanHoogland closed issue #11467: V4.20.1 VPC's virtual machines can only communicate when a virtual router is running on the Host Node
URL: https://github.com/apache/cloudstack/issues/11467
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Re: [I] V4.20.1 VPC's virtual machines can only communicate when a virtual router is running on the Host Node [cloudstack]
Posted by "hale177 (via GitHub)" <gi...@apache.org>.
hale177 commented on issue #11467:
URL: https://github.com/apache/cloudstack/issues/11467#issuecomment-3200219949
> [@hale177](https://github.com/hale177) can you check whether the VLAN for the guest network is trunked on the switchports of both the hosts A & B?
Yes
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