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Which tunnel? I have VM running on HOST with bridge networking, its
vnet pair. I don't have any tunnel.

I increase only txqueuelen 500 to txqueuelen 10000  which improve
networking little bit

On Thu, Dec 17, 2015 at 3:26 PM, Erdősi Péter <fazy at niif.hu> wrote:
> 2015. 12. 17. 18:07 keltezéssel, Satish Patel írta:
>>
>> On host (compute) machine tap device showing lots of TX packet loss.
>>
>> tapdd55b834-f8: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>>          inet6 fe80::fc16:3eff:fecd:2aa4  prefixlen 64  scopeid 0x20<link>
>>          ether fe:16:3e:cd:2a:a4  txqueuelen 500  (Ethernet)
>>          RX packets 1060731031  bytes 298573599135 (278.0 GiB)
>>          RX errors 0  dropped 0  overruns 0  frame 0
>>          TX packets 503372157  bytes 81345389820 (75.7 GiB)
>>          TX errors 0  dropped 171333348 overruns 0  carrier 0  collisions
>> 0
>
> Did you increased MTU properly on tunnel adapters?
>
> F