[Olsr-users] 2 hop nodes cost and packet loss

Vamsi Gondi (spam-protected)
Wed Mar 13 17:32:46 CET 2013


Hi,

here are the routes, i see one of the 2 hop node is not in the routing
table, node 192.168.0.197 is routing through 192.168.0.196 node to internet

OLSR Routes in Kernel
Destination Gateway Metric ETX Interface
192.168.0.196 192.168.0.196 1 1.226 ath6
192.168.0.197 192.168.0.196 2 2.915 ath6
192.168.0.198 192.168.0.198 1 1.256 ath6
192.168.0.199 192.168.0.199 1 1.104 ath6


On Wed, Mar 13, 2013 at 12:23 PM, Henning Rogge <(spam-protected)>wrote:

> Okay...
>
> I would suggest doing the tests with this "minimal" configuration.
> Keeps the chance higher that we find the problem.
>
> Can you please run a "/route" command in the txtinfo plugin too?
>
> Henning Rogge
>
> On Wed, Mar 13, 2013 at 4:22 PM, Vamsi Gondi <(spam-protected)>
> wrote:
> > Hi,
> >
> > initially i tried with the minimal configuration with the same issues,
> later
> > i modified the configuration file to improve the performance.
> >
> > vamsi
> >
> >
> > On Wed, Mar 13, 2013 at 11:14 AM, Henning Rogge
> > <(spam-protected)> wrote:
> >>
> >> On 03/13/2013 03:47 PM, Vamsi Gondi wrote:
> >>>
> >>>
> >>>
> >>> Hi,
> >>>
> >>> i am developing a testbed using OLSR on PCEngine Alix with Debian, i
> >>> have 6 nodes as the part of the experiment, i initially used v0.5
> >>> version later moved to v0.6.5.2, i have enclosed the setup topology.
> >>>
> >>> I have a gateway 192.168.0.210
> >>>
> >>> 1 Hop Nodes 192.168.0.196, 192.168.0.198, 192.168.0.199
> >>>
> >>> 2 Hop Nodes 192.168.0.197, 192.168.0.200
> >>>
> >>> i dont have any issues with the 1 Hop nodes with the current
> >>> configuration setup, but when it comes to 2 Hop nodes the cost goes to
> >>> infinite most of the time even though they are in range with 1 hop
> nodes.
> >>>
> >>> Also when they establish the link, i have lot of packet losses and link
> >>> is not stable for longer duration's. (I can Ping most of the nodes with
> >>> variable latency like 6ms, 24ms. 43ms, 63ms, 6ms, 20ms from one packet
> >>> to packet). I cant access most of the websites, tested with wget, after
> >>> resolving the domain it says no route to host.
> >>
> >>
> >> Can you reproduce the problem with the "minimal freifunk configuration"?
> >>
> >> > Interface "wlan0"
> >> > {
> >> > }
> >>
> >>
> >> Henning Rogge
> >>
> >>
> >> --
> >> Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für
> >> Kommunikation, Informationsverarbeitung und Ergonomie FKIE
> >> Kommunikationssysteme (KOM)
> >> Fraunhofer Straße 20, 53343 Wachtberg, Germany
> >> Telefon +49 228 9435-961,   Fax +49 228 9435 685
> >> mailto:(spam-protected) http://www.fkie.fraunhofer.de
> >>
> >>
> >> --
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> >> (spam-protected)
> >> https://lists.olsr.org/mailman/listinfo/olsr-users
> >
> >
> >
> >
> > --
> > Vamsi Krishna GONDI, Ph.D,
> >
> > --
> > Olsr-users mailing list
> > (spam-protected)
> > https://lists.olsr.org/mailman/listinfo/olsr-users
>
>
>
> --
> We began as wanderers, and we are wanderers still. We have lingured
> long enough on the shores of the cosmic ocean. We are ready at last to
> set sail for the stars - Carl Sagan
>



-- 
Vamsi Krishna GONDI, Ph.D,
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