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If you're using tunneling (e.g vxlan) you may have to enable the vxlan
port (default 4789) for incoming traffic on your compute nodes iptables.
My default iptables rules sent back an icmp admin prohibited to the dhcp
offer, so I also never got an ip addresss.


-- 
Andreas 
(irc: scheuran)


On Tue, 2014-09-30 at 16:46 +0530, Srinivasreddy R wrote:
> hi,
> 
> I have  configured  3 node  setup. Able to access instance form
> external network and internal network .
> 
> i have attached another compute node in the current 3 node setup . 
> 
> Launched instance in compute-2  but instance is not able to get the
> internal ip address  through dhcp .
> 
> Is there any additional configuration required when i added new
> compute node .
> 
> How can i debug this .
> 
> 
>  Able to see IP for that instance when launching nova list command on
> controller node as well on dash board. 
> 
> user at user-ThinkCentre-M73:~$ nova list
> +--------------------------------------+----------------+--------+------------+-------------+--------------------------------+
> | ID                                   | Name           | Status |
> Task State | Power State | Networks                       |
> +--------------------------------------+----------------+--------+------------+-------------+--------------------------------+
> | a28e3e67-7621-418a-9626-838c2396cd34 | comp2-inst3    | ACTIVE | -
> | Running     | demo-net=11.0.0.34, 172.0.0.10 |
> | 83cf5d08-23a0-45b4-9485-07fa035b58b7 | ins1           | ACTIVE | -
> | Running     | demo-net=11.0.0.9, 172.0.0.7   |
> | b2b57156-0c7f-4669-9946-b4a0e6ae8c1f | my_instance001 | ACTIVE | -
> | Running     | demo-net=11.0.0.2, 172.0.0.3   |
> | 2a311004-76e1-4c71-b043-76ebd306179f | my_instance002 | ACTIVE | -
> | Running     | demo-net=11.0.0.5, 172.0.0.4   |
> | 16af4e2e-8247-45eb-93dd-fc1304bf4601 | open-instance1 | ACTIVE | -
> | Running     | demo-net=11.0.0.11, 172.0.0.8  |
>  
> 
> 
> thanks,
> srinivas.
> 
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