here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 10628  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 95083  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 101599 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 133983 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 172313 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 352051 | null     | null      | null    | unlabelled |         | 0     |
 | 352052 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 352053 | v1:4     | ethernet1 | 1.1.1.2 | 640934     |         | 0     |
 | 352054 | v1:4     | ethernet1 | 1.1.1.2 | 640935     |         | 0     |
 | 352055 | v1:4     | ethernet1 | 1.1.1.2 | 640936     |         | 0     |
 | 352056 | null     | null      | null    | unlabelled |         | 0     |
 | 352057 | null     | null      | null    | unlabelled |         | 0     |
 | 352058 | null     | null      | null    | unlabelled |         | 0     |
 | 352059 | null     | null      | null    | unlabelled |         | 0     |
 | 352060 | null     | null      | null    | unlabelled |         | 0     |
 | 354216 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 442402 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 449053 | null     | null      | null    | unlabelled |         | 0     |
 | 449054 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 449055 | v1:6     | ethernet1 | 1234::2 | 894601     |         | 0     |
 | 449056 | v1:6     | ethernet1 | 1234::2 | 894602     |         | 0     |
 | 449057 | v1:6     | ethernet1 | 1234::2 | 894603     |         | 0     |
 | 449058 | null     | null      | null    | unlabelled |         | 0     |
 | 449059 | null     | null      | null    | unlabelled |         | 0     |
 | 449060 | null     | null      | null    | unlabelled |         | 0     |
 | 449061 | null     | null      | null    | unlabelled |         | 0     |
 | 449062 | null     | null      | null    | unlabelled |         | 0     |
 | 641953 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 749053 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 983714 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 113230  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 405626  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 531853  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 554926  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 632114  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 640932  | null     | null      | null    | unlabelled |         | 0     |
 | 640933  | v1:4     | ethernet1 | 1.1.1.1 | 352052     |         | 1280  |
 | 640934  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 640935  | v1:4     | ethernet2 | 1.1.2.3 | 407292     |         | 640   |
 | 640936  | v1:4     | ethernet2 | 1.1.2.3 | 407293     |         | 640   |
 | 640937  | null     | null      | null    | unlabelled |         | 0     |
 | 640938  | null     | null      | null    | unlabelled |         | 0     |
 | 640939  | null     | null      | null    | unlabelled |         | 0     |
 | 640940  | null     | null      | null    | unlabelled |         | 0     |
 | 640941  | null     | null      | null    | unlabelled |         | 0     |
 | 713582  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 733172  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 777671  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 788420  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 828506  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 894599  | null     | null      | null    | unlabelled |         | 0     |
 | 894600  | v1:6     | ethernet1 | 1234::1 | 449054     |         | 1280  |
 | 894601  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 894602  | v1:6     | ethernet2 | 1235::3 | 1037806    |         | 640   |
 | 894603  | v1:6     | ethernet2 | 1235::3 | 1037807    |         | 640   |
 | 894604  | null     | null      | null    | unlabelled |         | 0     |
 | 894605  | null     | null      | null    | unlabelled |         | 0     |
 | 894606  | null     | null      | null    | unlabelled |         | 0     |
 | 894607  | null     | null      | null    | unlabelled |         | 0     |
 | 894608  | null     | null      | null    | unlabelled |         | 0     |
 | 977199  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 1032422 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 89843   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 231651  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 351766  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 372213  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 402503  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 407289  | null     | null      | null    | unlabelled |         | 0     |
 | 407290  | v1:4     | ethernet1 | 1.1.2.2 | 640933     |         | 640   |
 | 407291  | v1:4     | ethernet1 | 1.1.2.2 | 640934     |         | 640   |
 | 407292  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 407293  | v1:4     | ethernet2 | 1.1.3.4 | 829821     |         | 1280  |
 | 407294  | null     | null      | null    | unlabelled |         | 0     |
 | 407295  | null     | null      | null    | unlabelled |         | 0     |
 | 407296  | null     | null      | null    | unlabelled |         | 0     |
 | 407297  | null     | null      | null    | unlabelled |         | 0     |
 | 407298  | null     | null      | null    | unlabelled |         | 0     |
 | 412627  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 427663  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 712789  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 752836  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 791333  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 815788  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 887943  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 1037803 | null     | null      | null    | unlabelled |         | 0     |
 | 1037804 | v1:6     | ethernet1 | 1235::2 | 894600     |         | 640   |
 | 1037805 | v1:6     | ethernet1 | 1235::2 | 894601     |         | 640   |
 | 1037806 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1037807 | v1:6     | ethernet2 | 1236::4 | 942118     |         | 1280  |
 | 1037808 | null     | null      | null    | unlabelled |         | 0     |
 | 1037809 | null     | null      | null    | unlabelled |         | 0     |
 | 1037810 | null     | null      | null    | unlabelled |         | 0     |
 | 1037811 | null     | null      | null    | unlabelled |         | 0     |
 | 1037812 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 207411 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 295671 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 313474 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 378174 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 395601 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 519454 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 586381 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 629937 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 829817 | null     | null      | null    | unlabelled |         | 0     |
 | 829818 | v1:4     | ethernet1 | 1.1.3.3 | 407290     |         | 0     |
 | 829819 | v1:4     | ethernet1 | 1.1.3.3 | 407291     |         | 0     |
 | 829820 | v1:4     | ethernet1 | 1.1.3.3 | 407292     |         | 0     |
 | 829821 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 829822 | null     | null      | null    | unlabelled |         | 0     |
 | 829823 | null     | null      | null    | unlabelled |         | 0     |
 | 829824 | null     | null      | null    | unlabelled |         | 0     |
 | 829825 | null     | null      | null    | unlabelled |         | 0     |
 | 829826 | null     | null      | null    | unlabelled |         | 0     |
 | 845359 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 942114 | null     | null      | null    | unlabelled |         | 0     |
 | 942115 | v1:6     | ethernet1 | 1236::3 | 1037804    |         | 0     |
 | 942116 | v1:6     | ethernet1 | 1236::3 | 1037805    |         | 0     |
 | 942117 | v1:6     | ethernet1 | 1236::3 | 1037806    |         | 0     |
 | 942118 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 942119 | null     | null      | null    | unlabelled |         | 0     |
 | 942120 | null     | null      | null    | unlabelled |         | 0     |
 | 942121 | null     | null      | null    | unlabelled |         | 0     |
 | 942122 | null     | null      | null    | unlabelled |         | 0     |
 | 942123 | null     | null      | null    | unlabelled |         | 0     |
 | 972451 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#