[Olsr-users] Route desired destination-addresses alternatively

Jacques _ (spam-protected)
Sat Oct 18 20:04:57 CEST 2008


Ah, my bad ;-)
I misunderstood what you meant by alternative.

Have you tried the /32 Hna4 entry Aaron suggested ?

Hna4
{
   91.205.xx.117  255.255.255.255
}

Jacques

On Sat, Oct 18, 2008 at 7:24 PM, Michael Rack <
(spam-protected)> wrote:

> Hi Jacques,
>
> i think metric will only work when the device is going down (mii-detect) ??
>
> There is only UDP-Traffic, how should unix know about a link lost?
>
> I think that is a not so good solution and olsr should do the job.
>
> Cheers,
> Michael.
>
> Jacques _ schrieb:
>
>> Just add a backup for the other devices using metric:
>>
>>
>> ip route add 91.205.xx.117 via 91.205.xx.50 dev tap0
>> ip route add 91.205.xx.117 dev tap2 metric 30
>> ip route add 91.205.xx.117 dev tap1 metric 31
>>
>> Jacques
>>
>> On Fri, Oct 17, 2008 at 1:39 PM, Michael Rack <
>> (spam-protected) <mailto:(spam-protected)>>
>> wrote:
>>
>>    Hi List!
>>
>>    I have three Internet Service Providers. In expect two DSL
>>    Providers and
>>    one Wireless-Provider.
>>
>>    My Internet-Setup look as follow:
>>    -------------------------------------------------------------
>>    eth0 = Wirelees Provider (2048 down / 2048 up / 18ms Latency)
>>    eth1 = DSL Provider (2048 down / 2048 up / 48ms Latency)
>>    eth2 = DSL Provider (4096 down / 1024 up / 40ms Latency)
>>
>>    Over all three interfaces there run a vpn-tunnel from salzburg
>>    (austria)
>>    to nürnberg (germany) with fixed ip-addresses.
>>
>>    VPN-Tunnel look as follow:
>>    -------------------------------------------------------------
>>    TUNNEL  NÜRNBERG          SALZBURG          SPEED
>>    -------------------------------------------------------------
>>    tap0    91.205.xx.49/30   91.205.xx.50/30   2048 down / 2048 up / 18ms
>>    Latency
>>    tap1    91.205.xx.53/30   91.205.xx.54/30   2048 down / 2048 up / 48ms
>>    Latency
>>    tap2    91.205.xx.57/30   91.205.xx.58/30   4096 down / 1024 up / 40ms
>>
>>    In salzburg, OLSR will send traffic via vpn over tap0 (Wireless)
>>    to get
>>    2048k of upstream.
>>    In nürnberg, OLSR will send traffic via vpn over tap2 (DSL) to get
>>    4096k
>>    of downstream.
>>
>>    Now there is Voice-Over-IP on the traffic. 18ms is better then
>>    40ms for
>>    downstream.
>>
>>    The Asterisk-Server is located in salzburg and listen on
>>    91.205.xx.117.
>>    How can i route all traffic to this ip-address over tap0 to get
>>    the 18ms
>>    of latency for upstream reasons from Nürnberg to Salzburg?
>>
>>    When i do "ip route add 91.205.xx.117 via 91.205.xx.50 dev tap0"
>>    telephony will break if the interface goes down on the remote side.
>>
>>    I like olsr do the job. If 91.205.xx.117 could not be reached via
>>    tap0,
>>    olsr shoud route alternative to tap2 / tap1.
>>
>>    Is this setup to do with olsr?
>>
>>    Thanks in advance,
>>    Michael Rack.
>>
>>    --
>>    Olsr-users mailing list
>>    (spam-protected) <mailto:(spam-protected)>
>>    http://lists.olsr.org/mailman/listinfo/olsr-users
>>
>>
>>
>
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