[c-nsp] Is this possible with OSPF?

[Murat Kaipov]

Hello Garry. 
You can use static route or you can use route map. 

Отправлено с iPad

> 15 дек. 2013 г., в 2:36, Garry <gkg at gmx.de> написал(а):
> 
> Hi,
> 
> I have a remote site connected via two links at separate places in our
> network. One link (stm1) is the primary route, the second (50M) is
> mostly backup link. So far it's rather easy, using OSPF cost entries in
> the interfaces will take care of that. Anyway, the backup link also has
> a couple of other sites connected in a /27 broadcast net (via a virtual
> switch in the WAN). Those sites (which only have that one uplink)
> announce local addresses (e.g. loopback interfaces) that are used for
> VPN tunnels. Those IPs should be routed via this vswitch link instead of
> the primary link. Which of course means that by setting the OSPF cost on
> the interface, the priority would be lowered, and the routing via the
> regular link would be used ...
> Is there any way (route maps?) to alter the OSPF cost just for certain
> prefixes? I could probably use some tracking and stuff to use static
> routes with lower admin cost to get similar results, but that would
> lower convergence times in case of link failures (I'm using 3 hellos per
> second for quick failover of the links)
> 
> Tnx, Garry
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