Alex,

I don't think that's correct.  The instructions that I gave in the
earlier email was changes to the VR to serve metadata from the VR.
Regardless of hypervisor, it should work.

Darren

On Thu, Oct 24, 2013 at 10:54 AM, Alex Huang <alex.hu...@citrix.com> wrote:
> In order to use an link local address inside the end user vm, that metadata 
> service must be setup on every hypervisor's dom0 or it has to be proxied out 
> of the dom0.  That's not doable for VmWare.  Instead, CloudStack uses VR to 
> serve the data, which works for all three hypervisors.
>
> --Alex
>
>> -----Original Message-----
>> From: Darren Shepherd [mailto:darren.s.sheph...@gmail.com]
>> Sent: Thursday, October 24, 2013 8:13 AM
>> To: dev@cloudstack.apache.org
>> Cc: klindg...@godaddy.com
>> Subject: Re: Metadata URL location
>>
>> My guess, I don't really know, would be because its hard.  The VR uses link
>> local for the control network so 169.254/16 is bound to the wrong nic.  To 
>> fix
>> this you just need some ip routing magic in linux (credit goes to Kris 
>> Lindgren
>> who showed me how to do this).  Add the below to a file, substitute eth0 for
>> the guest network nic, run "ip -b <FILE>"
>> The below effectively creates a routing table dedicated to the IP
>> 169.254.169.254 that sets it default route to go out the guest network nic.
>>
>> rule add from 169.254.169.254 table 70
>> rule add to 169.254.169.254 dev eth0 table 70 route flush table 70 route add
>> default dev eth0 src 169.254.169.254 table 70 route flush cache
>>
>> Darren
>>
>> On Thu, Oct 24, 2013 at 6:10 AM, Shanker Balan
>> <shanker.ba...@shapeblue.com> wrote:
>> > Hi Guys,
>> >
>> > CloudStack metadata services are on the default gateway while on EC2,
>> > its at 169.254.169.254. Am curious to know why CloudStack does not use
>> > a link local address for meta data services.
>> >
>> > A search of the Wiki
>> (https://cwiki.apache.org/confluence/dosearchsite.action?where=CLOUDST
>> ACK&tooltip=Type+ALL%3A+in+your+query+to+search+all+of+Confluence&
>> spaceSearch=true&queryString=metadata) didn't seem to list any doc
>> related to the design of this service.
>> >
>> > TIA.
>> >
>> > --
>> > @shankerbalan
>> >
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