You can add a static route manually on the system VMs, But seems is not 
possible to make it permanent. As soon you reboot the SystemVM even the 
settings on the interface following debian documentation, after a systemVM 
reboot all settings are replaced.

We did try several options that @wei suggested here:  
https://mail-archive.com/[email protected]/msg43054.html

Adding the lines on the Python script did not work.


Tata Y.


> On Sep 15, 2025, at 6:55 AM, mahdiadnan (via GitHub) <[email protected]> wrote:
> 
> 
> GitHub user mahdiadnan created a discussion: Custom routes for System VMs
> 
> Hi,
> 
> I've noticed that there's no way "or a clean way" to add custom routes to 
> System VMs.
> System VMs, when trying to reach other Infrastructure services like Secondary 
> Storage or a reverse proxy for CPVM, it uses the public network and I think 
> it is not practicial to use a public network to connect to vital 
> infrastructure service like Secondary Storage or when proxied behind a 
> reverse proxy. At least we should be able to add a custom route to the System 
> VM to use the Management network.
> 
> GitHub link: https://github.com/apache/cloudstack/discussions/11638
> 
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