[Olsr-dev] Network topology if there is a node get down?

Agung Septiadi (spam-protected)
Mon Jun 16 09:52:50 CEST 2008


>On Mon, Jun 16, 2008 at 1:31 PM, Henning Rogge <(spam-protected)> wrote:
> Am Montag 16 Juni 2008 08:06:10 schrieb Agung Septiadi:
>> I have OLSR network which has topology like this.
>> ...
> What version of olsrd are you using ?

I am using OLSRd version 0.5.4 on every nodes

>
>> Why
>> all applications was disconnected after there is a node get down,
>> whereas all applications was still connecting if there are node get up
>> offering better link?
>> Was OLSR doing something wrong?
>
> The problem (depending on the version) might be the timer settings. With a
> hello interval of 6 seconds and a large LQ-Windowsize olsrd will be slow to
> discover a link has been broken.
>
> Maybe you can test this settings ? (especially because you have a small net
> with powerful nodes):

Hmm, Okay, I'll try these settings.
Thank you.

>
> DebugLevel    0
> Interface "ath0"
> {
>    HelloInterval        2.0
>    HelloValidityTime    20.0
>    TcInterval            3.0
>    TcValidityTime        30.0
>    MidInterval            15.0
>    MidValidityTime        300.0
>    HnaInterval            10.0
>    HnaValidityTime        120.0
> }
>
> LinkQualityFishEye 1
> IpVersion    4
> ClearScreen     yes
> Hna4
> {
> }
> Hna6
> {
> }
> AllowNoInt    yes
> IpcConnect
> {
>     MaxConnections  0
>     Host            127.0.0.1
> }
> UseHysteresis    no
> LinkQualityLevel    2
> LinkQualityWinSize    20
> Pollrate    0.1
> TcRedundancy    2
> MprCoverage    2
>
> Plus the Hna4 on the gateway
>> On Gateway (Node D), I have added HNA configuration
>> Hna4
>> {
>>   0.0.0.0 0.0.0.0
>> }
>
> Henning
>
>
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