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[Bug 1942794] [NEW] "DHCP_Options" is not updated when the metadata port IPs are

 

Public bug reported:

In OVN, the DHCP server will inject into the VM the routes defined in
"DHCP_Options" register. There is "DHCP_Option" per subnet with DHCP
enabled.

The "DHCP_Options.options.classless_static_route" is a set of static
routes defined in the root namespace of the VM. If the OVN metadata is
enabled, a static route will be created to send traffic to the metadata
IP "169.254.169.254/32", using the metadata port IP.

Currently, if the user manually changes this IP address (the metadata
port should have only one IP address per subnet), this is not updated in
the corresponding "DHCP_Option" register.

Related Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1994591

** Affects: neutron
     Importance: Medium
     Assignee: Rodolfo Alonso (rodolfo-alonso-hernandez)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => Rodolfo Alonso (rodolfo-alonso-hernandez)

** Changed in: neutron
   Importance: Undecided => Medium

** Description changed:

  In OVN, the DHCP server will inject into the VM the routes defined in
  "DHCP_Options" register. There is "DHCP_Option" per subnet with DHCP
  enabled.
  
  The "DHCP_Options.options.classless_static_route" is a set of static
  routes defined in the root namespace of the VM. If the OVN metadata is
  enabled, a static route will be created to send traffic to the metadata
  IP "169.254.169.254/32", using the metadata port IP.
  
  Currently, if the user manually changes this IP address (the metadata
  port should have only one IP address per subnet), this is not updated in
  the corresponding "DHCP_Option" register.
+ 
+ Related Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1994591

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https://bugs.launchpad.net/bugs/1942794

Title:
  "DHCP_Options" is not updated when the metadata port IPs are

Status in neutron:
  New

Bug description:
  In OVN, the DHCP server will inject into the VM the routes defined in
  "DHCP_Options" register. There is "DHCP_Option" per subnet with DHCP
  enabled.

  The "DHCP_Options.options.classless_static_route" is a set of static
  routes defined in the root namespace of the VM. If the OVN metadata is
  enabled, a static route will be created to send traffic to the
  metadata IP "169.254.169.254/32", using the metadata port IP.

  Currently, if the user manually changes this IP address (the metadata
  port should have only one IP address per subnet), this is not updated
  in the corresponding "DHCP_Option" register.

  Related Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1994591

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