Thanks Nischal, I didn't know that. Still is there a way to see MPLS labels and inner headers (vm traffic ) on tcpdump.
Is mpls over UDP same as MPLS over IP (RFC 4023) Thanks for your help On 30 May 2016 6:48 a.m., "Nischal Sheth" <[email protected]> wrote: > > 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 > >
_______________________________________________ Users mailing list [email protected] http://lists.opencontrail.org/mailman/listinfo/users_lists.opencontrail.org
