[Bug 2061383] Re: [noble] Add ManageForeignNextHops feature to fix NextHop deletions

[Freerk-Ole Zakfeld]

Hi,

I think this is crucial for anyone who is using something like Zebra, or
anything related to dynamic routing in general. The config option might
be a feature, but it solved something that could well be classified as a
bug, where the only other option is the (generally not recommended) way
of not using networkd.

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Title:
   [noble] Add ManageForeignNextHops feature to fix NextHop deletions

Status in systemd package in Ubuntu:
  Confirmed
Status in systemd source package in Noble:
  Confirmed

Bug description:
  Hi,

  I was wondering if it was possible to integrate the new
  ManageForeignNextHops feature via a backport into Ubuntu 24.04.

  Without this feature/bugfix we have problems with systemd-networkd
  deleting the Nexthops of FRR on a restart of Switch failure. This is
  especially problematic with our EVPN setup. For more information
  please have a look into the following issue:

  https://github.com/systemd/systemd/issues/29034
  https://github.com/systemd/systemd/commit/0977039bdc9e857cdb0dfe1d96d0de0d94d02155

  Best regards,
  Justin Lamp

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