ceph in an OSPF environment

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Hi,

we are planing to build a new datacenter with a layer3 routed network
under all our servers.
So each server will have a 17.16.x.y/32 ip and is anounced and shared
using OSPF with ECMP.

Now i try to install ceph on this nodes: and i got stuck because the
OSD-nodes can not reach the MON (ceph -s gives no output)

Ping is ok and telnet to the monport is also working.

####
default  proto bird  src 172.16.162.10
       nexthop via 192.168.1.1  dev eno1 weight 1
       nexthop via 192.168.2.1  dev eno2 weight 1
172.16.162.1  proto bird  src 172.16.162.10
       nexthop via 192.168.1.1  dev eno1 weight 1
       nexthop via 192.168.2.1  dev eno2 weight 1
172.16.162.11  proto bird  src 172.16.162.10
       nexthop via 192.168.1.11  dev eno1 weight 1
       nexthop via 192.168.2.11  dev eno2 weight 1
172.16.162.12  proto bird  src 172.16.162.10
       nexthop via 192.168.1.12  dev eno1 weight 1
       nexthop via 192.168.2.12  dev eno2 weight 1
172.16.162.13  proto bird  src 172.16.162.10
       nexthop via 192.168.1.13  dev eno1 weight 1
       nexthop via 192.168.2.13  dev eno2 weight 1
####

####
root@node-0001a:~/ceph/eu-fra# systemctl restart ceph-mon@node-0001a
root@node-0001a:~/ceph/eu-fra# netstat -ntpl | grep ceph-mon
tcp        0      0 172.16.162.10:6789      0.0.0.0:*
LISTEN      6841/ceph-mon
#####

So i am not sure what is the root cause for that behavior!

any ideas?

thanks,
Ansgar
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