[Olsr-users] Route desired destination-addresses alternatively

[Jacques _]

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)> 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.
>
> --
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> http://lists.olsr.org/mailman/listinfo/olsr-users
>
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