Open Stack

As a follow-up to my post:

We figured out was going on today. Nothing exciting, our test vlan we were
using was not configured properly by the network team. It was untagged
instead of being tagged. Once that was fixed, everything began working as
we expected it to.

Cheers!
Brandon

On Tue, Oct 14, 2014 at 11:00 AM, Brandon Sawyers <brandor5 at gmail.com>
wrote:

> Hello everyone:
>
> I believe that I have a correct config for using vlan provider networks in
> place (Thanks Thiago!), but my instances fail to ping other systems on the
> vlan. A quick description of what I'm trying to accomplish: My team does
> not control the network, so we wish to use the in place vlans in our
> instances for access to the world. We can't use dhcp on these vlans either.
>
> Here are the steps I've taken to attempt to troubleshoot this issue:
>
> -- Plumbed vlans on controller (neutron lives here) and computes. Using
> tcpdump I can see the vlan traffic from both nodes.
> -- Create instance with a single interface on the vlan provider network.
> -- Create appropriate security rules to allow ping/ssh.
> -- Start ping from instance to external host on the vlan.
> -- Start ping from external host to my instance.
> -- Using tcpdump listen at the following locations... (tcpdump -qnni
> <interface> host <instance_ip> or host <external_server_ip>)
> --- tap interface for the guest: I see arps from my guest requesting the
> external server mac.
> --- source bridge of ovs created bridge for guest: I see arps from my
> guest requesting the external server mac.
> --- br-int integration bridge: I see arps from my guest requesting the
> external server mac.
> --- int-br-eth3 (part of veth pair to connect to actual bridge): I see
> arps from both my instance and the external host requesting mac addresses
> for each other.
> --- phy-br-eth3 (part of veth pair to connect to actual bridge): I see
> arps from both my instance and the external host requesting mac addresses
> for each other.
> --- br-eth3 (actual bridge I created for openstack use): I see arps from
> both my instance and the external host requesting mac addresses for each
> other.
> --- eth3:  I see arps from both my instance and the external host
> requesting mac addresses for each other.
> -- Nothing in the logs look incorrect.
> -- GRE tunnels for private networks work without issue.
>
> I've posted some output from my setup at http://pastebin.com/Mf2qMTSM.
>
> Thanks for the help!
> Brandon
>
>
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