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From Indra Pramana <in...@sg.or.id>
Subject Re: Shared VLAN allocation for guest network on advanced zone?
Date Tue, 16 Jul 2013 06:45:00 GMT
Hi Kirk,

Good day to you, and thank you for your e-mail.

Got it, let me try. Thanks for your assistance.

Cheers.



On Tue, Jul 16, 2013 at 2:17 PM, Kirk Kosinski <kirkkosinski@gmail.com>wrote:

> Shared networks are *only* available in advanced zones.  The UI is
> slightly confusing, though.  You cannot create shared networks under the
> Network tab, rather you need to create them in Infra > Zones (select the
> zone) > Physical Network (select it) > Guest > Network > click Add guest
> network.
>
> A shared network can be shared by multiple accounts, but the virtual
> router for a shared network does not do any routing; you need to set up
> your own router for the VLAN.
>
> Best regards,
> Kirk
>
> On 07/15/2013 08:55 PM, Indra Pramana wrote:
> > Hi Kirk,
> >
> > Good day to you, and thank you for your e-mail.
> >
> > Can I used shared VLAN for guest networks in an advanced zone network
> > configuration? I tried to create a new guest network via the Cloudstack
> > GUI under Network > Guest networks > Add guest network but I can't add a
> > shared guest network. Under the "Network Offering" field, only
> > "DefaultIsolatedNetworkOfferingWithSourceNatService" is available to be
> > used, despite having a lot of other types of network offerings under
> > Service Offerings > Network Offerings.
> >
> > Or do I need to switch to basic zone network? I really don't want to
> > lose the features which are only available in advanced zone network,
> > such as virtual router and firewalls, etc.
> >
> > Looking forward to your reply, thank you.
> >
> > Cheers.
> >
> >
> >
> > On Tue, Jul 16, 2013 at 11:37 AM, Kirk Kosinski <kirkkosinski@gmail.com
> > <mailto:kirkkosinski@gmail.com>> wrote:
> >
> >     Hi, having isolated networks share VLANs would defeat the purpose of
> an
> >     isolated network.  If the per zone VLAN count is a major concern,
> >     consider using shared networks instead.  If you definitely want to
> use
> >     isolated networks, you can add additional zones since guest networks
> >     don't go across zones.
> >
> >     Be careful when planning VLAN capacity since your switch or even
> >     hypervisors may not be able to handle anywhere close to 4096 VLANs.
> >     Some switches can only do 10% of that, and it's even less for some
> >     hypervisors (e.g. old XenServer versions, and even the latest "only"
> >     supports 800 VLANs).  Definitely check with the vendor or docs to
> find
> >     the real versus theoretical maximum.
> >
> >     Best regards,
> >     Kirk
> >
> >     On 07/15/2013 08:07 PM, Indra Pramana wrote:
> >     > Dear all,
> >     >
> >     > It seems that in CloudStack's advanced network zone configuration,
> >     we need
> >     > to prepare one isolated network VLAN for each guest network for
> >     customers.
> >     > My concern is that this will severely limit the number of
> >     customers we can
> >     > have within the zone, since we have a limitation of the number of
> >     VLANs we
> >     > can create on the switch level. My switch can only support up to
> 4,096
> >     > VLANs maximum.
> >     >
> >     > Is there a way for us to configure shared VLAN for the users' guest
> >     > network? Or is it only available on basic network zone
> configuration?
> >     >
> >     > Looking forward to your reply, thank you.
> >     >
> >     > Cheers.
> >     >
> >
> >
>

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