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From Justin Grudzien <>
Subject Re: Network architecture question
Date Tue, 09 Apr 2013 12:39:20 GMT
We have 2 pairs of bonded 10g nics on each box. Wouldn't that require an advanced network?
Is it possible to do the security groups with small L2 networks in advanced networking?


Sent from my iPhone

On Apr 9, 2013, at 12:38 AM, Chiradeep Vittal <> wrote:

> Have you considered using a basic zone?
> With security groups you can have *lots* (thousands of) with very small L2
> networks.
> On 4/8/13 10:28 PM, "Justin Grudzien" <> wrote:
>> My team has been working for three weeks with CloudStack architecture
>> design and we are struggling to put together a network architecture that
>> we feel will scale. From everything I can tell, CloudStack requires a a
>> very large layer 2 network when using shared guest networks. We are
>> looking to deploy almost a thousand physical hosts across 25 cabinets
>> with over 4000 VMs in the next 18 months and having a broadcast domain
>> this large feels problematic.
>> How have others solved this problem? I don't have a need or a desire for
>> isolation and even if I had 100 guest networks I would still have to tag
>> their VLANs into every host port. There doesn't seem to be a way to tie a
>> network to anything smaller than a zone.
>> One solution we are looking into is Cisco's 1000v and utilizing VXLANs.
>> This will allow us scale down the broadcast domains. I don't think
>> CloudStack has support in configuring their VXLAN settings? Any comments
>> or suggestions would be appreciated.
>> Justin

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