Thanks Robert.
On Thu, Mar 14, 2013 at 7:25 PM, Robert van Leeuwen <
robert.vanleeu...@spilgames.com> wrote:
> > Thanks for the reply. I have one more question.
> > How we will check whether the tunneling is established or not?
>
> tcpdump can show you the GRE traffic:
> tcpdump -i ethX proto gre
Thanks Logan
On Thu, Mar 14, 2013 at 7:16 PM, Logan McNaughton wrote:
> I'm not sure about verifying the GRE tunnels, so I can't be much help
> there.
>
> As far as understanding how the tunneling happens, GRE is an open
> protocol, not specific to OpenStack, or any vendor, and googling GRE shoul
That's the best way I found to see if GRE is up, just watching for two way
"proto gre" traffic.
Here's how you can match the IP addresses *inside* the GRE packet, which
you probably will want. Note that 0x0a050505 is hexadecimal for my desired
IP address of 10.5.5.5:
root@os-network:~# tcpdump -
> Thanks for the reply. I have one more question.
> How we will check whether the tunneling is established or not?
tcpdump can show you the GRE traffic:
tcpdump -i ethX proto gre
Cheers,
Robert
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I'm not sure about verifying the GRE tunnels, so I can't be much help there.
As far as understanding how the tunneling happens, GRE is an open protocol,
not specific to OpenStack, or any vendor, and googling GRE should give you
plenty of information about it.
On Mar 14, 2013 5:21 AM, "Aru s" wrot
Hi Logan,
Thanks for the reply. I have one more question.
How we will check whether the tunneling is established or not?
I have gone through lot of documents of gre setup and all are says that the
"ovs-vsctl show" command will show the tunnel info.
Also is there a doc to understand how the magic
For Quantum GRE tunneling, the network node and compute nodes need a NIC on
your data network. You assign each of those NIC's an IP (for instance,
192.168.1.1-3). Then (assuming you are using openvswitch with GRE
tunneling) you set up your quantum configs. Look at the Quantum
administration guide f
Hi,
I am trying to configuring openstack with one controller and one network
and two compute nodes.
I am not able to understand how the communication of the VM's happens which
are for the same tenant with same ip range but on the different compute
hosts.
Please help me to understand how GRE commun
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