doc: Update documentation to indicate *BSD struggles

*BSD has some special struggles associated with the graceful
restart code in zebra.  Add a bit of documentation to outline
this problem and how it is solved.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2022-02-27 14:18:09 -05:00 committed by Donatas Abraitis
parent ca5ec871ea
commit ad7ffeec2a

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@ -29,6 +29,9 @@ Besides the common invocation options (:ref:`common-invocation-options`), the
Zebra, when started, will read in routes. Those routes that Zebra
identifies that it was the originator of will be swept in TIME seconds.
If no time is specified then we will sweep those routes immediately.
Under the *BSD's, there is no way to properly store the originating
route and the route types in this case will show up as a static route
with an admin distance of 255.
.. option:: -r, --retain