Do you mean packet was returned later then timeout value ?
How long is timeout value then ?

On Fri, Jul 8, 2016 at 4:24 PM, Philip Homburg <philip.homburg@ripe.net> wrote:
On 2016/07/08 14:19 , Alex Saroyan wrote:
> I am a bit confused, is that "late reply from the probe" or it is "late
> reply from router - basically timed out reply" ?
> Should it be treated like packet loss ?

It is replies received by the probe. So it is usually from routers, but
it could be from the target.

The reply did arrive, so technically it is not packet loss. But it makes
processing a lot easier to treat them as lost.

Philip