Hi, list,

    Currently my ceph nodes with 3 MON and 9 OSDs, everything is fine. Now
I plan to add onre more public network, the initial public network is
103.x/24, and the target network is 109.x/24.  And 103 cannot reach 109, as
I don't config route table for them.

   I add 109.x for 3 MON nodes and they could reach one another, and I add
----
public_network = 172.16.103.0/24, 172.16.109.0/24
----
    After I manually change monmap file and run `ceph -s`
-----
  services:
    mon: 6 daemons, quorum
cephnode001,cephnode002,cephnode003,cephnode001-109,cephnode002-109,cephnode003-109
----
I check 6789 for both 103.x and 109.x is listening properly. But I mount
cephfs through IP 109.x, it fails.

I use tcpdump and find there does have traffic directed to 109.x interfaces
of 3 MON host.

 Anything wrong? Is it doable to have 2 public networks(subnets), served
for connections sourced from different subnets? I.E, 109 network for
connection from 109.x, while 103 network for 103.x?

Thanks.
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