From: Nicolas Cavallari <[email protected]> Date: Thu, 30 Oct 2014 10:09:53 +0100
> If we cache them, the kernel will reuse them, independently of > whether forwarding is enabled or not. Which means that if forwarding is > disabled on the input interface where the first routing request comes > from, then that unreachable result will be cached and reused for > other interfaces, even if forwarding is enabled on them. The opposite > is also true. > > This can be verified with two interfaces A and B and an output interface > C, where B has forwarding enabled, but not A and trying > ip route get $dst iif A from $src && ip route get $dst iif B from $src > > Signed-off-by: Nicolas Cavallari <[email protected]> > Reviewed-by: Julian Anastasov <[email protected]> Applied and queued up for -stable, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
