Clonezilla / Discussion / Clonezilla server edition: Multicast

Oliver Bumann - 2021-03-11

Dear community

I have a problem with my Clonezilla server:

The server is in VLAN 1850 and the clients are in VLAN 1950. In order for the clients to find the server I need to do multicast routing?

I have a Fortigate 240D (FortiOS: 6.0.3).

Can anyone help me?

Thanks and greetings

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Steven Shiau - 2021-03-14

Personally I am not a network guy, so I have no idea to do that. However, if you accept and have more disk space, you can try to use the BT mechanism, instead of multicast:
https://clonezilla.org/show-live-doc-content.php?topic=clonezilla-live/doc/11_lite_server

https://clonezilla.org/clonezilla-live/doc/11_lite_server/images/ocs-10-5-multicast.png

and even there is a mechanism for you to do BT cloning directly from device:
https://clonezilla.org/show-live-doc-content.php?topic=clonezilla-live/doc/12_lite_server_BT_from_dev

Steven

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- Oliver Bumann - 2021-03-15
  
  Hello Steven
  
  Thanks for your reply.
  
  Unfortunately I have to do it with multicast...
  Maybe I found a solution: I set on the Firewall an next Bootstrap Server an
  on Port 67 an Boot file. I think it means the Bootfile which the bootserver
  distributes for the clients. Do you know which file this is on the
  Clonezilla Server?
  Isn't it the file /tftpboot/nbi_img/pxelinux.cfg?
  
  [image: 1615801159166.jpg]
  This is the ipxe loading process... On the Client I have the IP 10.18.50.4
  and the Server is 10.19.50.100.
  
  Where am i making a mistake here?
  
  Thank you very much!
  
  Oliver
  
  Last edit: Steven Shiau 2021-03-15
  
  1615801159166.jpg
  
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  - Oliver Bumann - 2021-03-15
    
    sorry, the client ip is: 10.18.50.2
    
    Last edit: Steven Shiau 2021-03-15
    
    1615801159166.jpg
    
    alternate
    
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Steven Shiau - 2021-03-16

" Isn't it the file /tftpboot/nbi_img/pxelinux.cfg?" -> Yes, it should be that file.
I suggest you check the log on the server.
You can increase the log level of tftpd:
https://manpages.debian.org/testing/tftpd-hpa/in.tftpd.8.en.html
The file you have to modify is /etc/default/tftpd-hpa. Make it like:
TFTP_OPTIONS="--secure --ipv4 -v -v -v"
Then restart the service: sudo systemctl restart tftpd-hpa
Boot the client, and check the log file to see if the client connects the server, and check where goes wrong.

Steven

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- Oliver Bumann - 2021-03-16
  
  Good morning Steven
  
  I've modifyed the file /etc/default/tftpd-hpa.
  Where is the log? Is it /var/log/bootstrap.log?
  If it's this one. I can't find some errors...
  
  Can it be that the file /tftpboot/nbi_img/pxelinux.cfg/default does not
  support the DHCP option 66? It always comes the error message after it
  tries to load the file and the server. (See screenshot)
  [image: 1615878541189.jpg]
  I can't find something about the error code 4c126035.
  
  Thank you very much!
  
  Oliver
  
  Last edit: Steven Shiau 2021-03-17
  
  1615878541189.jpg
  
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Steven Shiau - 2021-03-17

" Where is the log?" -> It can be /var/log/messages, /var/log/syslog... depends on your GNU/Linux.
"Can it be that the file /tftpboot/nbi_img/pxelinux.cfg/default does not support the DHCP option 66? " -> By default it supports unless your firewall blocks that.

Steven

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- Oliver Bumann - 2021-03-17
  
  Hello Steven
  
  How can I do it, that my Firewall don't block it anymore?
  
  Thank you very much.
  
  Oliver
  
  Last edit: Steven Shiau 2021-03-18
  
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Steven Shiau - 2021-03-18

What did you mean? If your firewall does not block it, it should work.

Steven

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- Oliver Bumann - 2021-03-18
  
  Hello Steven
  
  I'm not sure that my firewall didn't blokcs them...
  What exactly do I need to do so that my firewall no longer blocks this?
  
  Thank you very much
  
  Oliver
  
  Last edit: Steven Shiau 2021-03-18
  
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Steven Shiau - 2021-03-18

I believe you should ask your network guy to help you.

Steven

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- Oliver Bumann - 2021-03-18
  
  Okay, thank you very much Steven.
  
  You don't have an idea? Maybe something with the ports 66, 67, 68, 69?
  
  An yes, I would ask my network guy.
  
  please excuse the many questions.
  
  Am Do., 18. März 2021 um 14:27 Uhr schrieb Steven Shiau steven_shiau@users.sourceforge.net:
  
  I believe you should ask your network guy to help you.
  
  Steven
  
  Multicast
  https://sourceforge.net/p/clonezilla/discussion/Clonezilla_server_edition/thread/a384fb044b/?limit=25#03cb
  
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Date Huang - 2021-03-19

Hi Oliver Bumann

I saw your screenshot with following line
net0: 10.18.50.13/255.255.255.0

But in iPXE website https://ipxe.org/cmd/route
You should have some thing like this.
net0: 10.18.50.13/255.255.255.0 gw 10.18.50.X
maybe you miss the GW in your dhcp server?
so client cannot access to 10.19.x.x

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- Oliver Bumann - 2021-03-19
  
  Hello
  
  Thank you for your reply.
  I set as gateway: "same as interface IP".
  
  Should I set there a specify gateway? If yes, which one?
  
  Thank you very much!
  
  Last edit: Steven Shiau 2021-03-24
  
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  - Date Huang - 2021-03-19
    
    in your desciption.
    I think you should setup to Forti's IP
    if your Forti is 10.18.50.254
    you should setup to 10.18.50.254
    
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    - Oliver Bumann - 2021-03-22
      
      Hello Huang
      
      Thanks for your reply.
      
      My Firewallls IP is 10.4.22.249... I can't set this one, because it's not
      in the same Subnet (error message from the firewall).
      
      I tried to set the Specify Gateway 10.18.50.1 and 10.18.50.2
      both did not work.
      
      What can I try as next?
      
      Thenk you very much!
      
      Am Fr., 19. März 2021 um 16:40 Uhr schrieb Date Huang tjjh89017@users.sourceforge.net:
      
      in your desciption.
      I think you should setup to Forti's IP
      if your Forti is 10.18.50.254
      you should setup to 10.18.50.254
      
      Multicast
      https://sourceforge.net/p/clonezilla/discussion/Clonezilla_server_edition/thread/a384fb044b/?limit=25#1e29/de2a/2b38
      
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      - Date Huang - 2021-03-22
        
        I think your Forti has more than 1 IPs.
        But I think you still need your network guys to help you.
        
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        Oliver Bumann - 2021-03-22
        
        With Forti, you mean Firewall, right?
        
        Thank you
        
        Date Huang tjjh89017@users.sourceforge.net schrieb am Mo., 22. März 2021,
        10:02:
        
        I think your Forti has more than 1 IPs.
        But I think you still need your network guys to help you.
        
        Multicast
        https://sourceforge.net/p/clonezilla/discussion/Clonezilla_server_edition/thread/a384fb044b/?limit=25#1e29/de2a/2b38/4861/3863
        
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        Oliver Bumann - 2021-03-22
        
        So I will do it by an easier way... I will take the server and the clients
        in the same VLAN...
        
        One last problem:
        I mounted correctly an NAS (File-Server) in the Clonezilla-server. The
        server recognizes the images which are on the server.
        As soon as the client is started and wants to execute the imaging job, the
        following error message appears on the cleint:
        [image: 1616428981295.jpg]
        [image: 1616428981303.jpg]
        
        Thank you guys!
        
        Oliver
        
        Last edit: Steven Shiau 2021-03-24
        
        1616428981295.jpg
        
        1616428981303.jpg
        
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        Date Huang - 2021-03-24
        
        I have no idea about this
        Not familiar with DRBL
        
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        Steven Shiau - 2021-03-24
        
        Kernel space NFS won't be able to let you export its mounted directory from another network file system. Hence if you want to mount NAS and share that to clients, you have to use user space NFS, e.g., unfs3. However, it's a dead project.
        Another choice is to use nfs-ganesha. However, I still have problems to use it in DRBL.
        Hence I suggest you copy the image you want to the dir /home/partimag/ on DRBL server.
        
        Steven
        
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Oliver Bumann - 2021-03-25

Okay, thank you very much

All the best!

Oliver

👍
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Multicast

A partition and disk imaging/cloning program

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Multicast

Steven

Multicast

A partition and disk imaging/cloning program

Forums

Help

Multicast document.SUBSCRIPTION_OPTIONS = { "thing": "topic", "subscribed": false, "url": "subscribe", "icon": { "css": "fa fa-envelope-o" } };

Steven

Multicast