On 01/11/2017 03:54 AM, Shravan S K wrote: > Like this? > vm01-------------------| > > |------------------vm03 > > br1(vxlanport1)------------br-int1=================br-int2----------(vxlanport2)br2 > vm02-------------------| > > |-------------------vm04 > > What is the need for the bridges br-int1 and br-int2? Why is it not > possible without them(as the topology shown earlier in this thread)?
[SL] No, I don't think this is the configuration you'd want to use. The "br-int" bridges aren't strictly required; you could use br1 and br2. The trick here---as you're trying to create a VXLAN tunnel within a host---would be that you'll need 2 IP endpoints (one for each end of the tunnel), and you'd need each bridge with a VXLAN port to be associated with one of those IP endpoints. As I said, though, I haven't tested a configuration like this. Further, to be honest, I'm not really sure what you're trying to accomplish with such a configuration. > Shravan > > On 11 January 2017 at 11:59, Scott Lowe <scott.l...@scottlowe.org > <mailto:scott.l...@scottlowe.org>> wrote: > > Please see my response inline, prefixed with [SL]. > > > On 01/10/2017 09:50 PM, Shravan S K wrote: >> I am asking if that can be done on a single physical host having >> OVS. Say, as mininet creates bridges which act as switches. Can >> vxlan be setup using Mininet? > > > [SL] I don't know if it's possible for Mininet to set up VXLAN; > that's a question best asked on a Mininet-related forum. > > As for whether it can be done on a single host, I suppose if you were > to use 2 separate bridges for physical connectivity along with 2 > separate bridges for the tunnels, it might work. I've never tried it, > though, so this is just conjecture. > > >> Shravan >> >> On 10 January 2017 at 23:33, Scott Lowe <scott.l...@scottlowe.org >> <mailto:scott.l...@scottlowe.org> >> <mailto:scott.l...@scottlowe.org <mailto:scott.l...@scottlowe.org>>> wrote: >> >> Please see my response below. >> >> >> On 01/10/2017 02:26 AM, Shravan S K wrote: >>> Is it possible to create a VXLAN setup using just bridges created >>> by OVS? (using ovs-vsctl to create these bridges,ports and vxlan >>> config) >>> >>> vm01-------------------| |------------------vm03 >>> br1-------br2 >>> vm02-------------------| |-------------------vm04 >> >> >> Yes, this is possible. On each hypervisor where OVS is running and >> where you have VMs you'd like to connect over VXLAN tunnels, create >> a bridge ("br-tun", for example). Create and configure a VXLAN port >> appropriately on br-tun on each hypervisor, and then connect your >> VMs. You should be good to go. My website has an example of doing >> this with GRE; VXLAN should be nearly identical. >> >> Hope this helps, -- Scott
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