MPLS ping not working

Hi,
 
I have a 3 router scenario, R1 in the middle R2 in the left and R3 in the
right. All the interfaces of routers are advertised through eigrp 100. We have
a full ipv4 reachability. I have configured loopbacks on all the routers like
R1 has 1.1.1.1 and etc.
 
From R2 i am trying to ping one interface in R3 (20.20.20.2) via MPLS but
unable to do so.
 
R2#ping mpls ipv4 20.20.20.2 255.255.255.0
Sending 5, 100-byte MPLS Echos to 20.20.20.2/24,
     timeout is 2 seconds, send interval is 0 msec:
Codes: '!' - success, 'Q' - request not sent, '.' - timeout,
  'L' - labeled output interface, 'B' - unlabeled output interface,
  'D' - DS Map mismatch, 'F' - no FEC mapping, 'f' - FEC mismatch,
  'M' - malformed request, 'm' - unsupported tlvs, 'N' - no label entry,
  'P' - no rx intf label prot, 'p' - premature termination of LSP,
  'R' - transit router, 'I' - unknown upstream index,
  'X' - unknown return code, 'x' - return code 0
Type escape sequence to abort.
QQQQQ
Success rate is 0 percent (0/5)
 
Below are the ouputs of ldp neigbors and ldp bindings from R2. Any guess why
the mpls ping is not working here??
 
R2#sh mpls ldp nei
    Peer LDP Ident: 20.20.20.2:0; Local LDP Ident 2.2.2.2:0
        TCP connection: 20.20.20.2.14310 - 2.2.2.2.646
        State: Oper; Msgs sent/rcvd: 62/61; Downstream
        Up time: 00:47:00
        LDP discovery sources:
          Targeted Hello 10.10.10.2 -> 20.20.20.2, passive
        Addresses bound to peer LDP Ident:
          20.20.20.2 3.3.3.3
    Peer LDP Ident: 1.1.1.1:0; Local LDP Ident 2.2.2.2:0
        TCP connection: 1.1.1.1.646 - 2.2.2.2.58751
        State: Oper; Msgs sent/rcvd: 56/59; Downstream
        Up time: 00:43:04
        LDP discovery sources:
          FastEthernet0/0, Src IP addr: 10.10.10.1
        Addresses bound to peer LDP Ident:
          10.10.10.1 1.1.1.1 20.20.20.1
 
R2#sh mpls ldp binding
  tib entry: 1.1.1.0/24, rev 21
        local binding: tag: 17
        remote binding: tsr: 20.20.20.2:0, tag: 17
        remote binding: tsr: 1.1.1.1:0, tag: imp-null
  tib entry: 2.2.2.0/24, rev 9
        local binding: tag: imp-null
        remote binding: tsr: 20.20.20.2:0, tag: 18
        remote binding: tsr: 1.1.1.1:0, tag: 16
  tib entry: 3.3.3.0/24, rev 23
        local binding: tag: 18
        remote binding: tsr: 20.20.20.2:0, tag: imp-null
        remote binding: tsr: 1.1.1.1:0, tag: 17
  tib entry: 10.10.10.0/24, rev 17
        local binding: tag: imp-null
        remote binding: tsr: 20.20.20.2:0, tag: 16
        remote binding: tsr: 1.1.1.1:0, tag: imp-null
  tib entry: 20.20.20.0/24, rev 19
        local binding: tag: 16
        remote binding: tsr: 20.20.20.2:0, tag: imp-null
        remote binding: tsr: 1.1.1.1:0, tag: imp-null
 

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Received on Sun Jun 19 2011 - 01:09:29 ART