Hi Dave,

Can you share your OS and other env details? For ACS 4.20 you don't have to 
seed the systemvmtemplate manually.

My notes on installing CloudStack are here - 
https://rohityadav.cloud/blog/cloudstack-kvm/ if you're trying this on Ubuntu.

Regards.
 


________________________________
From: Dave Lapointe <da...@island.net.INVALID>
Sent: Sunday, March 16, 2025 06:12
To: users@cloudstack.apache.org <users@cloudstack.apache.org>
Subject: Looking for suggestion on network configuration - followup

Hi,

I decided to go back to the basic CloudStack installation as described in the 
Quick Installation Guide, and followed every instruction there (there is an 
error with 
/usr/share/cloudstack-common/scripts/storage/secondary/cloud-install-sys-tmplt 
-m /export/secondary -u 
http://download.cloudstack.org/systemvm/4.20/systemvmtemplate-4.20.0.0-x86_64-kvm.qcow2.bz2
 -h kvm -F.  The SystemVMtemplate should be 
systemvmtemplate-4.20.0-x86_64-kvm.qcow2.bz2).

After completing the install and observing that there were no errors in 
management-server.log and agent.log I assumed everything was setup correctly.  
Once the two system VM's started up I ssh'ed into them, (they are bridged 
through cloudbr0 and cloud0) and found that I couldn't ping on the subnet for 
cloudbr0 but could ping on the cloud0 subnet.  I deleted all of the firewall 
rules and set the default policies to ACCEPT but it made no difference.  The 
routing tables appeared to be okay, with traffic for the cloudbr0 subnet being 
routed through the appropriate NIC.

On the host I tried tcpdump -i cloudbr0 -w cloudbr0.cap and Wireshark showed 
that the ICMP packets are arriving on cloudbr0 but there is no response.  I 
tried tcpdump on one of the system VM's and confirmed that there is a response 
to pinging the cloudbr0 ip address, and that there was no response from the 
ping target.

I've done lots of bridging in different environments, and haven't encountered 
anything like this before, so I'm at a loss to know how to continue 
investigating this.

I've spent a few days on this now and have made no progress.  Please, any 
suggestions?  I'm close to the point now of abandoning CloudStack because I 
can't get it to work as documented.

Thanks,
Dave

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