[Xen-users] Xen VPS with 2 IPs from 2 different LANs

[Hostvision Andrei <andrei@xxxxxxxxxxxxx>]

Hello,

I am new to Xen and I am trying to understand how to add 2 different IPs 
on the same guest VPS.
First, I am going to explain my node setup, which is a physical server 
with 32GB RAM and 2 NICs on it. The first NIC has a public IP 
82.XXX.YYY.ZZZ and the second NIC is for an internal network that 
connects directly through a cable to a cPanel server - private IP 
192.168.XXX.YYY.
From what I've tested until now, I only managed to create a VPS that 
uses either the public network or the private network, but not both. If 
I create the VPS with either the public IP or the private IP, I can ping 
them and also connect through SSH. I also have to mention that I made a 
bridge for each NIC (right now I have eth0 + eth1 + xenbr0 + xenbr1).
To be able to alternate VPS configuration between the public and private 
network, I had to modify each time the bridge settings from 
/usr/local/solusvm/data/advanced.conf before the creation of the VPS. 
So, for instance, If I want a VPS with a private IP, I would modify 
/solusvm/data/advanced.conf to XENPVBRIDGE="xenbr1" and if I want a VPS 
with a public IP, I would modify to XENPVBRIDGE="xenbr0".
The problem is that if I create a VPS that uses some IP from the same 
subnet as the node (82.XXX.YYY.ZZZ) and then try to add a private IP, I 
cannot ping the private IP from the internal network, and viceversa, if 
I create a VPS with private IP (192.168.XXX.YYY), I can connect to it 
and ping it from the internal network, but if I add a public IP, I 
cannot ping it or connect to it.
I don't know how to force SolusVM or Xen to create the VPSs with two 
connections (one with a public IP, one with a private IP).
Also, I don't know if this information will help in this issue, but I 
use SolusVM for VPS administration (to create VPS, IP allocation, delete 
VPS, etc.).
Please let me know what other info do I need to provide to solve this 
problem.
Thank you.

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