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SOLVIED - Issues with VMs Br0

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I am trying to build a VM machine within unraid and I am running into muiti issues and I can't see why.

 

for starts when I create a VM for Windows or Linux and it get's to the formatting and installing the OS, but for some reason it informs me that it can't see the HD.   I also see that when I create the VM template I am not able to choose BR01 for my Nic ?  is there a reason why.

 

I have attach a few screen shots of my Linux build template in the hope that you are can help me resolve this issue.

 

image.thumb.png.b7ea9cdcd971cc62eedef714496ce7f4.png

image.png.39a3b3a830d6cd78e3517e4b08833fab.png

 

I have also downloaded and tried a pre imaged machine " Home Assistant "  this finfs the Hard drive and loads but at the end, when I try and connect to it, I discover that I have no network.   Note: my IP range is 192.168.1.* and not 182.168.122.*

 

image.thumb.png.c7e9091eaf10151050dc006ebe2718ac.png

 

can someone please help

 

 

Edited by chris_netsmart

Solved by chris_netsmart

2 hours ago, chris_netsmart said:

I am trying to build a VM machine within unraid and I am running into muiti issues and I can't see why.

Hello, from your post, I am not sure that it is in the right forum section.

 

Are you using a VM of Unraid in another system (ESXI or other) ?

Or your Unraid runs on bare metal ?

  • Author
1 hour ago, ChatNoir said:

Hello, from your post, I am not sure that it is in the right forum section.

 

Are you using a VM of Unraid in another system (ESXI or other) ?

Or your Unraid runs on bare metal ?

 

Sorry  I am trying to get a VM Guest to run on my Unraid server 

 

UPDATE:  I have been able to get a Linux guest to up and running, but now I have a second question,  

my default IP address is 192.168.1.*  but when I do a ifconfig I am getting a 192.168.122.* IP address

 

I am able to ping out from my Linux VM Guest but as the IP address is different from my main IP range I am not able to ping the VM Guest.

how do I resolve this ? 

Edited by chris_netsmart

42 minutes ago, chris_netsmart said:

my default IP address is 192.168.1.*  but when I do a ifconfig I am getting a 192.168.122.* IP address

It seems you are using the virbr0, which by default has 192.168.122.x ip address.

You need to use one of your network card and make a bridge (br0), and use in the vm br0 instead of virbr0, so to be on the same network of the host in the guest, i.e. 192.168.1.*

Or you need to dedicate one of your network card for passthrough to your vm and set in the guest the 192.168.1.* ip.

Edited by ghost82

  • Author
1 hour ago, ghost82 said:

It seems you are using the virbr0, which by default has 192.168.122.x ip address.

You need to use one of your network card and make a bridge (br0), and use in the vm br0 instead of virbr0, so to be on the same network of the host in the guest, i.e. 192.168.1.*

Or you need to dedicate one of your network card for passthrough to your vm and set in the guest the 192.168.1.* ip.

 

 

ok now I am confused.   I only have one NIC on the server and that is build to the motherboard

when I go and have a look at Network settings within the VM, I am not offer the option to changed to a br0

 

so are you saying that I will need a second card in the server to allow me to create a br0 ? and if no how to do go about creating one, as at the moment I have no VM's within my environment.

 

  • Author

being doing some reading and tried the following but so far no joy.

 

Quote

root@Tower:~# docker network ls
NETWORK ID     NAME      DRIVER    SCOPE
a2f40977e137   bridge    bridge    local
68a69738a90b   eth0      macvlan   local
eff7755f7d45   host      host      local
777f807d4bc6   none      null      local
root@Tower:~# docker network create -d macvlan --subnet=192.168.1.0/24 --gateway=192.168.1.1 -o parent=br0 br0
Error response from daemon: Pool overlaps with other one on this address space
root@Tower:~# 

 

Quote

rm /var/lib/docker/network/files/local-kv.db

/etc/rc.d/rc.docker restart

 

 

Quote

ls -a /etc/rc.d
./     rc.S*              rc.cgred      rc.haveged*    rc.kpropd           rc.modules*        rc.rsyslogd*  rc.snmpd.bak
../    rc.acpid*          rc.cpufreq*   rc.inet1*      rc.krb5kdc          rc.modules.local*  rc.samba*     rc.sshd*
rc.0@  rc.apcupsd*        rc.crond*     rc.inet1.conf  rc.libvirt*         rc.nfsd*           rc.saslauthd  rc.sysvinit*
rc.4*  rc.atd*            rc.diskinfo*  rc.inet2*      rc.local*           rc.nginx*          rc.serial     rc.udev*
rc.6*  rc.avahidaemon*    rc.dnsmasq    rc.inetd*      rc.local_shutdown*  rc.ntpd*           rc.setterm*   rc.vnstat*
rc.K*  rc.avahidnsconfd*  rc.docker*    rc.ip_forward  rc.loop*            rc.php-fpm*        rc.smartd     rc.wireguard*
rc.M*  rc.cgconfig        rc.fuse3*     rc.kadmind     rc.messagebus*      rc.rpc*            rc.snmpd

 

I have also tried this

Restart the Unraid, 

dont initialize the array just yet....

go to SETTINGS, Network Settings,  change the desired MTU: to 1500( you have to put in 1500, what shows in the box is just a place-holder and not the actual number 1500)

Click on APPLY. 

you will lose network connectivity, so go to the server and restart it there.

 

  • Author
  • Solution

ok after some more reading, and googling I found this. that help

Here

to get to it, you will need to stop the array, then go to the settings,

change it and then restart and then you will see the Br0

  • chris_netsmart changed the title to SOLVIED - Issues with VMs Br0

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