[Openstack] [neutron] GRE network with 5 nodes
gustavo panizzo <gfa>
gfa at zumbi.com.ar
Wed May 14 08:54:51 UTC 2014
On 05/14/2014 03:56 AM, Ageeleshwar Kandavelu wrote:
> What I inferred was while using the GRE mode the switch's port were
> constantly blinking indicating heavy traffic. I am aware that in GRE
> mode there is a mesh of tunnels between the various nodes. I assumed
> that the GRE mode was placing a burden too heavy on the switch and tore
> down the setup and created a vlan setup instead. The performance was
> good with vlan.
> Is this expected or I had been doing something wrong?
i've observed the same behavior, gre adds more latency than vlan
were you creating new VMs? ml2 pop layer plugin should help in that case
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