[Olsr-users] Routing-Problem | olsr.org - 0.6.0 | weight | etx_ff | mode ether

[Markus Kittenberger]

hmm i guess your tc-set fails to do anything useful if your link is slower
than 14mbit,..

Markus

On Fri, Mar 30, 2012 at 9:39 AM, Michael Rack <
(spam-protected)> wrote:

>  Of course, my link is sometimes congested, but i don't know the current
> max. bandwidth, because the link-quality is jumping, so the bandwidth is
> between 5 and 15 MBit. The most of the time, stable at 15 MBit.
>
> ROUTE A have stable bandwidth at 60MBit, so i like to use ROUTE B only for
> backup. But currently ROUTE B is the primary choose from olsr.
>
> Now i will give LinkQualityMult a try.
>
> How can i reload olsrd.conf without killing and restarting olsr?
> Currently i always have about 10-30 sec. of downtime.
>
>
> To solve/minimize my "flapping" problem, i've installed a tc-rule a long
> time before, because the link was allways degraded on a high usage:
>
> 1634K   84M MARK tcp  tcp flags:0x17/0x02 mark match 0x0 MARK xset
> 0x1/0xffffffff
>   76M 3790M MARK tcp  tcp flags:0x10/0x10 length 0:100 mark match 0x0 MARK
> xset 0x1/0xffffffff
> 3383K 1726M MARK udp  udp dpt:698 mark match 0x0 MARK xset 0x2/0xffffffff
>
>
> qdisc htb 1: root r2q 10 default 104 direct_packets_stat 5
> class htb 1:1 root rate 14000Kbit ceil 14000Kbit burst 6Kb cburst 6Kb
> class htb 1:101 parent 1:1 leaf 801d: prio 1 rate 200kbit ceil 14000Kbit
> burst 6Kb cburst 6Kb
> class htb 1:102 parent 1:1 leaf 801e: prio 2 rate 300kbit ceil 14000Kbit
> burst 4Kb cburst 4Kb
> class htb 1:103 parent 1:1 leaf 801f: prio 4 rate 500kbit ceil 14000Kbit
> burst 2Kb cburst 2Kb
> class htb 1:104 parent 1:1 leaf 8020: prio 7 rate 4000Kbit ceil 14000Kbit
> burst 1Kb cburst 1022b
> filter parent 1: protocol ip pref 49152 fw handle 0x1 classid 1:101
> filter parent 1: protocol ip pref 49151 fw handle 0x2 classid 1:102
> filter parent 1: protocol ip pref 49151 fw handle 0x3 classid 1:103
> filter parent 1: protocol ip pref 49151 fw handle 0x4 classid 1:104
>
>
>
>
> Liebe Grüße aus Freilassing,
>
> Michael Rack
> RSM Freilassing
> --
> RSM Freilassing                 Tel.: +49 8654 607110
>
> Nocksteinstr. 13                Fax.: +49 8654 670438
> D-83395 Freilassing            www.rsm-freilassing.de
>
>
> Am 30.03.2012 02:04, schrieb Markus Kittenberger:
>
>
> On Thu, Mar 29, 2012 at 9:40 PM, Michel Blais <(spam-protected)>wrote:
>
>> This often happen when the're no traffic on A link and b link have some
>> paquet lost.
>>
>> If paquet lost for B link is too much and cost more then 3 then it will
>> try link A. If the're no traffic on link B then cost come back to 2 so it
>> goes back to B.
>>
>
>  imho first to do do solve/minimize this "flapping" problem, is priorizing
> olsrd traffic so it gets as least as possible affected by packetloss due to
> congestion on your links,..
>
>  Markus
>
>
>
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