bird's not forwarding point-to-point routes via OSPF

Noel Burton-Krahn noel at pistoncloud.com
Wed Oct 15 20:00:03 CEST 2014


Is there something about point to point addresses that could keep bird
from forwarding them?  I'm assigning a point-to-point address to a
veth pair like so:

    ip link add veth1 type veth peer name veth2
    ip addr add 10.0.0.1/32 peer 10.0.0.2/32 dev veth1
    ip addr add 10.0.0.2/32 peer 10.0.0.1/32 dev veth2

Neither of those addresses get forwarded via OSPF to other hosts.
They *do* get forwarded if I add the addresses without a peer like
this:

    ip addr add 10.0.0.1/32 dev veth1

Now I've added the same address (10.0.0.1/32) to veth twice, and bird
is forwarding a route for that address to OSPF peers.

Is there a way for bird to accept the "peer" address?  I tried "learn"
in the kernel but that didn't help.

TIA,
--
Noel
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