kiranchavala opened a new issue, #11578:
URL: https://github.com/apache/cloudstack/issues/11578

   ### problem
   
   dhcpoptionsnetworklist parameter in "deployVirtualMachine" doesn't work with 
VR as provider
   
   
   As a user/operator I want to boot my vm from a PXE server via 
dhcpoptionsnetworklist
   
   ### versions
   
   ACS 4.20.x 
   
   ### The steps to reproduce the bug
   
   1. Launch a isolated or a shared network
   
   2. Create a pxe server vm which acts like a TFTP server
   
   For example, you can create a pxe template/iso from the following pxe
   
   https://netboot.xyz/
   https://github.com/ventoy/PXE/releases
   https://canonical.com/maas
   
   3. Register pxe iso 
   
   https://boot.ipxe.org/ipxe.iso
   
   4. Launch vm via API  with the ISO with dhcpoptionsnetworklist, by pointing 
the IP of the pxe server in the same network 
   
   ```
   deploy virtualmachine zoneid=193a5741-05c9-4fe3-84d3-29a869ba1528 
serviceofferingid=551f20c3-83d5-4e4a-bc50-d1c10974da57 
networkids=dd6fe1cb-3ffa-4c1f-8472-8b438b4a7f6c
   dhcpoptionsnetworklist[0].networkid=dd6fe1cb-3ffa-4c1f-8472-8b438b4a7f6c 
dhcpoptionsnetworklist[0].dhcp:66=10.1.1.27 
dhcpoptionsnetworklist[0].dhcp:67=pxelinux.0
   
   ```
   
   5. Check the db and the details are stored 
   ```
   
   mysql> select * from nic_extra_dhcp_options;
   +----+--------------------------------------+--------+------+------------+
   | id | uuid                                 | nic_id | code | value      |
   +----+--------------------------------------+--------+------+------------+
   |  1 | 83af66c0-01f3-4033-a9ac-89c819cfe485 |     31 |   66 | 10.1.1.27  |
   |  2 | 0c0ef9f5-3f28-45ed-8ed1-e2e3cb28cc49 |     31 |   67 | pxelinux.0 |
   ```
   
   5. During the vm boot time the request still goes to the virtual router 
instead of the pxe server 
   
   HTTP://10.1.1.1/pxelinux.0 and fails to run 
   
   
   
   Workaround 
   
   Log in to the VR and add the following content 
   
   Comment the following lines
   
   #enable-tftp
   #tftp-root=/opt/tftpboot
   #dhcp-boot=pxelinux.0
   
   ---
   
   Add the following lines
   
   dhcp-option=66,10.1.1.27
   dhcp-option=67,pxelinux.0
   dhcp-boot=pxelinux.0,,10.1.1.27
   
   
   Restart the dnsmasq service 
   
   service dnsmasq restart
   
   
   ### What to do about it?
   
   Currently dhcpoptionsnetworklist parameter may probably work with only 
NuageVsp plugin and not with VR 
   
   It would be great if we can support this for VR so that end user can boot 
from a pxe server


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