Hi Ondrej,

I already tried to change the configuration use broadcast on routera and routerb but still same. I use tcpdump as your advice and I can't find any ospf hello packets that sent to neighbor or router it self, here is my step:

1. on routera (10.22.40.17), do:
    - tcpdump -vvXn -i bge0 ip proto ospf, no result (empty).
    - tcpdump -vvXn -i bge0 host 10.22.40.18 and ! arp
2. on routerb (10.22.40.18), do:
    - tcpdump -vvXn -i bge0 ip proto ospf, no result (empty).
    - tcpdump -vvXn -i bge0 host 10.22.40.17 and ! arp and ! proto icmp 

Please see the tcpdump second test on pastebin below:

http://pastebin.com/cp6PU9d9

Any other clue please let me know.
Thank you..




Best regards,
David S.
------------------------------------------------
p. 087881216110

On Sat, Dec 31, 2016 at 5:43 PM, Ondrej Zajicek <santiago@crfreenet.org> wrote:
On Sat, Dec 31, 2016 at 10:42:26AM +0700, David S. wrote:
> Hi Keenan and Ondrej,
>
> I already update the configuration as your advice but the still couldn't be
> established, here is the new configuration:

Hi

You have 'type broadcast' set on router A while default is used on router B
(which would be ptp for /30 network).

But i am not sure if that is the only problem.

You can try to run tcpdump on bge0 to see if there are Hello packets from
both routers.

--
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago@crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."