[ovs-discuss] VxLAN kernel module.

[Sudipto Biswas]

On Wednesday 11 March 2015 01:49 AM, Pravin Shelar wrote:
> On Tue, Mar 10, 2015 at 10:38 AM, Sudipto Biswas
> <sbiswas7 at linux.vnet.ibm.com> wrote:
>> Hi,
>>
>> I have a very small query. I am using OVS 2.3.1 and i have built the kernel
>> module etc following the instructions in the INSTALL file.
>>
>> I was also, able to create vxlan ports and communicate across two VMs on two
>> different machines using VxLAN tunnels.
>>
>> However, if i do a lsmod on my machine, it doesn't list the vxlan kernel
>> module.
>>
>> lsmod | grep openvswitch
>> openvswitch           123112  0
>> gre                     5383  1 openvswitch
>> libcrc32c               1922  1 openvswitch
>>
>> Now i am beginning to think, if i should see the vxlan module there as well?
>> If yes, then i wonder how my setup is working? :-)
>>
> You might be using older kernel in that  case OVS uses its own VXLAN
> code. Can you tell us kernel version?
>
  I am using Kernel ver. 3.10. There's a bit of a history though. I 
tried 2.3.1 on this machine and then vxlan didn't work.
  Then i installed OVS 2.0.0, in that VxLAN worked. Then i uninstalled 
2.0.0 and installed 2.3.1 and that worked with VxLAN too.
  So I was thinking if 2.0.0 got the vxlan module installed?
  In kernel ver 3.10 - isn't it supposed to list the vxlan kernel module 
if i don't go through this upgrade path?

>> Appreciate your help!
>>
>> Thanks.
>> Sudipto
>>
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>