Comments inline.

On 10-Jun-2014, at 3:58 am, Yiping Zhang <yzh...@marketo.com> wrote:

> Ilya:
>
> Thanks for quick clarification.I¹ll check out defining my own network
> offerings.


I use a shared network with a pfSense based firewall at home for all
my VMs.

The VMs spun on the shared network have a dedicated VLAN and a default gateway
set to the pfSense firewall. Security Groups policies have no affect for Vms on
a shared network.

http://shankerbalan.net/blog/create-a-shared-network-with-public-ips-in-cloudstack/
should be helpful.

Hth.

@shankerbalan



>
> Yiping
>
> On 6/9/14, 1:21 PM, "ilya musayev" <ilya.mailing.li...@gmail.com> wrote:
>
>> Yiping,
>>
>> Yes you can have non-iptables setup. Most of the enterprise
>> installations don't rely on cloudstack's iptables, routing or vpc
>> features and prefer to use existing physical firewalls and vlan isolation.
>>
>> If you have VLANs, but dont want to use iptables that comes thru virtual
>> router, look into CloudStack Advanced Zone Setup with Shared Network
>> Functionality.
>>
>> In this case, you only leverage dhcp, userdata and dns(optional). You
>> can create your own network offerings and bind the network to "non-vpc
>> shared network" offering.  DHCP at this point in time is a required.
>> Userdata and DNS can be optional. You can choose to use your own
>> in-house DNS dont route DNS queries through CloudStack virtual router
>> (you would need to create custom network offering, which is few clicks
>> in UI).
>>
>> You can also bypass userdata and serve your own userdata through
>> external userdata services, you would need to write something on your
>> end to support it.
>>
>> Regards
>> ilya
>> On 6/9/14, 12:02 PM, Yiping Zhang wrote:
>>> Hi,all:
>>>
>>> I am trying different network setups in my CloudStack eval effort,  and
>>> I am wondering if  CS can be configured to not use iptables at all ,
>>> giving that my intended goal is for a private cloud dedicated to my own
>>> company, in our own datacenter and all our networks are behind our own
>>> hardware based firewalls already?
>>>
>>> If I can stop iptables on all system VM¹s, hypervisors and management
>>> servers, then it would  be much easier to trouble shoot my setups and
>>> accelerate the eval process.
>>>
>>> Thanks,
>>>
>>> Yiping

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