doc: explain rpf lookup default mode

Reported-by: Alexis Rosen <quagga-users@alexis.users.panix.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2015-02-02 03:00:22 +01:00 committed by Donald Sharp
parent a3161a1fae
commit 5b282f59b1

View File

@ -224,6 +224,11 @@ with the longer prefix length is used; if they're equal, the
Multicast RIB takes precedence.
@end table
The @code{mrib-then-urib} setting is the default behavior if nothing is
configured. If this is the desired behavior, it should be explicitly
configured to make the configuration immune against possible changes in
what the default behavior is.
WARNING: Unreachable routes do not receive special treatment and do not
cause fallback to a second lookup.
@end deffn