[Olsr-users] ETX for outers

[Henning Rogge]

On Wed, Apr 22, 2015 at 12:43 PM,  <(spam-protected)> wrote:
> Hi,
>
> I have local ad-hoc mesh network with olser on OpenWRT.
> When I have use LUCI interface to display same information from OLSR about
> neighbours, routers where ETX are displayed with  background colour
> deepening on value ETX. Blow table with neighbours or routes are display
> legend with following information:
>
> ETX: Expected retransmission count
>
> Green: Very good (ETX < 2)
> Yellow: Good (2 < ETX < 4)>
> Orange: Still usable (4 < ETX < 10)
> Red: Bad (ETX > 10)
>
>
> I am understand that it is OK for ETX neighbours but it is make sense for
> ETX routers ???
> because ETX for router are sum ETX=ETX1+ETX2+ETX3+ETX4. If we have
> information about host which are available  with metic 11 for ideal
> situation ETX will =11 and following with this legend
> ETX are > 10 and link to this host is BAD ???

It is not, it is just a bad explanation of the OpenWRT web interface.

Or maybe you should say "it could be"... because depending on the
network 10 hops can be fine or 10 hops can be horrible.

Henning Rogge