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From Geoff Higginbottom <geoff.higginbot...@shapeblue.com>
Subject Re: Virtual Router Uncontactable
Date Thu, 28 Feb 2013 22:05:08 GMT
Hi Paul,

To answer your two questions

1. If using VMware, you can tag the Management Network, but if using say XenServer you cannot.
 We tend to stick to using Access Ports on switches to look after the tagging, even with a
pure VMware build, as you never know if you might add XenServer in future.

2.  It's because VMware does not support link local that IPs from the Management/POD/Reserved
CIDR get used (I listed all three as the documents confuse them, when they are actually all
the same).  The install guide highlights the need to allocate a large enough CIDR to cover
all the Hosts, System VMs and Guest Virtual Routers etc within a POD.

You may find the slides from the presentation "Introduction To CloudStack Networking" I gave
at the CloudStack Collaboration Conference in Vegas last year helpful.

http://www.slideshare.net/gsirett/introduction-to-cloudstack-networking

Regards

Geoff Higginbottom
CTO / Cloud Architect


D: +44(0)20 3603 0542<tel:+442036030542> | S: +44(0)20 3603 0540<tel:+442036030540>
| M: +44(0)7968161581<tel:+447968161581>

geoff.higginbottom@shapeblue.com<mailto:geoff.higginbottom@shapeblue.com> | www.shapeblue.com

ShapeBlue Ltd, 53 Chandos Place, Covent Garden, London, WC2N 4HS



On 28 Feb 2013, at 11:02, "Paul Sanders" <paul.sanders87@gmail.com<mailto:paul.sanders87@gmail.com>>
wrote:

Thanks Geoff.

To prove the issue, I have added a second NIC to my management server and
added it to cloud.private.untagged.0.1-vswitch1. This is now working.
Should my server be connected to this?


This makes me question a few other networking confusions:
1) Is the management network always untagged? If so, how can we route
between hosts. At present I am using a native vlan on that vswitch network
port.
2) As vmware doesn't have a 'Link Local' address, why is it assigning IP
addresses from my management network. And is this as secure?

Thanks

Paul

---
Kind Regards

Paul Sanders
Mob: 07988 725 883
Mail: paul.sanders87@googlemail.com<mailto:paul.sanders87@googlemail.com>


On 28 February 2013 12:54, Geoff Higginbottom <
geoff.higginbottom@shapeblue.com<mailto:geoff.higginbottom@shapeblue.com>> wrote:

Paul,

This stinks of an error with your VLAN Mappings, double check all your
VLAN settings.

Regards

Geoff Higginbottom

D: +44 20 3603 0542 | S: +44 20 3603 0540 | M: +447968161581

geoff.higginbottom@shapeblue.com<mailto:geoff.higginbottom@shapeblue.com>

-----Original Message-----
From: Paul Sanders [mailto:paul.sanders87@gmail.com]
Sent: 28 February 2013 07:51
To: cloudstack-users
Subject: Virtual Router Uncontactable

Hello All,

I am having an issue with my virtual networks. I have compiled 4.0.1 from
source and have added the nonoss components.

I have added my VMWare cluster and the system VMs have deployed without
issue. When I create a new network and create an instance for my tenant,
the systems are router is created, but my management server is unable to
contact it:

2013-02-27 06:05:15,642 INFO  [vmware.resource.VmwareResource]
(DirectAgent-12:demo-esxi01.demo.local) Could not connect to
192.168.15.214 due to java.net.ConnectException: Connection timed out

I am unable to ping the 192.168.15.214 device. After a while, the VM is
shut down and my instance creation is not created.

---
Kind Regards

Paul Sanders

Mail: paul.sanders87@googlemail.com<mailto:paul.sanders87@googlemail.com>
ShapeBlue provides a range of strategic and technical consulting and
implementation services to help IT Service Providers and Enterprises to
build a true IaaS compute cloud. ShapeBlue’s expertise, combined with
CloudStack technology, allows IT Service Providers and Enterprises to
deliver true, utility based, IaaS to the customer or end-user.

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ShapeBlue provides a range of strategic and technical consulting and implementation services
to help IT Service Providers and Enterprises to build a true IaaS compute cloud. ShapeBlue’s
expertise, combined with CloudStack technology, allows IT Service Providers and Enterprises
to deliver true, utility based, IaaS to the customer or end-user.

________________________________

This email and any attachments to it may be confidential and are intended solely for the use
of the individual to whom it is addressed. Any views or opinions expressed are solely those
of the author and do not necessarily represent those of Shape Blue Ltd. If you are not the
intended recipient of this email, you must neither take any action based upon its contents,
nor copy or show it to anyone. Please contact the sender if you believe you have received
this email in error. Shape Blue Ltd is a company incorporated in England & Wales.

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