Note that 51234 is the pre-standard DST port used for MPLS-in-UDP by
Contrail.

-Nischal

On May 29, 2016, at 1:58 PM, Harshad Nakil <[email protected]> wrote:

> Vrouter is using MPLSoUDP. Most probably TCP dump does not understand this 
> encapsulation. 
> 
> Regards
> -Harshad
> 
> 
>> On May 29, 2016, at 11:56 AM, kevin parrikar <[email protected]> 
>> wrote:
>> 
>> hello all 
>> I am new to contrail ,worked on open vswitch and NSX implementation and 
>> trying contrail to understand it more deeply for a different product.
>> 
>> Using contrail 2.20 with MPLS over UDP.
>> 
>> 1. In tcpdump i dont see any MPLS labels instead i see UDP communication 
>> between compute nodes using ephemeral ports.for ping between vms.
>> 
>> 16:16:14.262402 IP 192.168.2.5.64681 > 192.168.2.6.51234: UDP, length 102
>>        0x0000:  4500 0082 b5ca 0000 4011 3f45 c0a8 0205
>>        0x0010:  c0a8 0206 fca9 c822 006e 0000 0001 5140
>>        0x0020:  0205 fdd1 e8c9 024e 9373 73f9 0800 4500
>>        0x0030:  0054 b5ca 0000 4001 68b7 ac10 0203 ac10
>>        0x0040:  0204 0000 c0d2 2101 7956 3116 73bf 0000
>>        0x0050:  0000 0000 0000 0000 0000 0000 0000 0000
>>        0x0060:  0000 0000 0000 0000 0000 0000 0000 0000
>>        0x0070:  0000 0000 0000 0000 0000 0000 0000 0000
>>        0x0080:  0000
>> 
>> Can some one tell me how can Lables as wells as tenant VM packets be seen.In 
>> GRE i was able to see this but not in MPLS over GRE.
>> 
>> 
>> 
>> 
>> Regards,
>> Kevin
>> 
>> _______________________________________________
>> Users mailing list
>> [email protected]
>> http://lists.opencontrail.org/mailman/listinfo/users_lists.opencontrail.org
> 
> _______________________________________________
> Dev mailing list
> [email protected]
> http://lists.opencontrail.org/mailman/listinfo/dev_lists.opencontrail.org


_______________________________________________
Dev mailing list
[email protected]
http://lists.opencontrail.org/mailman/listinfo/dev_lists.opencontrail.org

Reply via email to