[Olsr-users] HNA-filter or multiple instances

Bastian Rosner (spam-protected)
Sun Sep 28 16:53:55 CEST 2014


Hello,

in Berlin, we have BGP-routers in datacenters with multiple
network-interfaces. These nodes speak BGP to the outside world while
some interfaces are directly connected to our WiFi-mesh via OLSR.
For reasons of simplicity and to use fat-pipes as shortcuts wherever
possible, we decided to also use OLSR as interior routing protocol to
interconnect our BGP-servers and their view of the meshi via
tunnel-interfaces.

Now we are facing issues with HNAs that are only useful for our
BGP-routers and not for the rest of the city-wide mesh. For example,
public-IPs that should only be used for connections from the internet
are now announced inside the mesh.

Is there any way to define HNA for specific interfaces? Or some way of
filtering incoming HNA so it won't get redistributed?

If above approach should not be possible, what about multiple instances
of OLSRd for different interfaces?

Might OLSRd2 be useful and stable enough for the purpose of IGP?
FYI, we don't redistribute BGP into OLSR or vice versa.

Kind regards,
Bastian Rosner







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