Troubleshooting MPLS Part 1

1.Unlabeled Packet is sent from CE1 to PE1.
2.Label is inserted to the packet by label push in PE1 Router
3.Now the labeled packet is swapped (from 19 to 29) by Label Swap in P Router.
4.Now the labeled packet is sent to PE2 router , label is stripped from the packet
5.now the unlabeled packet is sent finally to CE2 Router
and In this architecture Prefix not getting advertised in CE1 and CE2.Let's troubleshoot