here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 65471   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 65939   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 160873  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 213506  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 472932  | null     | null      | null    | unlabelled |         | 0     |
 | 472933  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 472934  | v1:6     | ethernet1 | 1234::2 | 343534     |         | 0     |
 | 472935  | v1:6     | ethernet1 | 1234::2 | 343535     |         | 0     |
 | 472936  | v1:6     | ethernet1 | 1234::2 | 343536     |         | 0     |
 | 472937  | null     | null      | null    | unlabelled |         | 0     |
 | 472938  | null     | null      | null    | unlabelled |         | 0     |
 | 472939  | null     | null      | null    | unlabelled |         | 0     |
 | 472940  | null     | null      | null    | unlabelled |         | 0     |
 | 472941  | null     | null      | null    | unlabelled |         | 0     |
 | 476515  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 606597  | null     | null      | null    | unlabelled |         | 0     |
 | 606598  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 606599  | v1:4     | ethernet1 | 1.1.1.2 | 670813     |         | 0     |
 | 606600  | v1:4     | ethernet1 | 1.1.1.2 | 670814     |         | 0     |
 | 606601  | v1:4     | ethernet1 | 1.1.1.2 | 670815     |         | 0     |
 | 606602  | null     | null      | null    | unlabelled |         | 0     |
 | 606603  | null     | null      | null    | unlabelled |         | 0     |
 | 606604  | null     | null      | null    | unlabelled |         | 0     |
 | 606605  | null     | null      | null    | unlabelled |         | 0     |
 | 606606  | null     | null      | null    | unlabelled |         | 0     |
 | 1009336 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 39615   | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 255848  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 267222  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 343532  | null     | null      | null    | unlabelled |         | 0     |
 | 343533  | v1:6     | ethernet1 | 1234::1 | 472933     |         | 1280  |
 | 343534  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 343535  | v1:6     | ethernet2 | 1235::3 | 923165     |         | 640   |
 | 343536  | v1:6     | ethernet2 | 1235::3 | 923166     |         | 640   |
 | 343537  | null     | null      | null    | unlabelled |         | 0     |
 | 343538  | null     | null      | null    | unlabelled |         | 0     |
 | 343539  | null     | null      | null    | unlabelled |         | 0     |
 | 343540  | null     | null      | null    | unlabelled |         | 0     |
 | 343541  | null     | null      | null    | unlabelled |         | 0     |
 | 527106  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 570652  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 670811  | null     | null      | null    | unlabelled |         | 0     |
 | 670812  | v1:4     | ethernet1 | 1.1.1.1 | 606598     |         | 1280  |
 | 670813  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 670814  | v1:4     | ethernet2 | 1.1.2.3 | 140383     |         | 640   |
 | 670815  | v1:4     | ethernet2 | 1.1.2.3 | 140384     |         | 640   |
 | 670816  | null     | null      | null    | unlabelled |         | 0     |
 | 670817  | null     | null      | null    | unlabelled |         | 0     |
 | 670818  | null     | null      | null    | unlabelled |         | 0     |
 | 670819  | null     | null      | null    | unlabelled |         | 0     |
 | 670820  | null     | null      | null    | unlabelled |         | 0     |
 | 671624  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 975782  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 1006811 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 132845 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 140380 | null     | null      | null    | unlabelled |         | 0     |
 | 140381 | v1:4     | ethernet1 | 1.1.2.2 | 670812     |         | 640   |
 | 140382 | v1:4     | ethernet1 | 1.1.2.2 | 670813     |         | 640   |
 | 140383 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 140384 | v1:4     | ethernet2 | 1.1.3.4 | 182367     |         | 1280  |
 | 140385 | null     | null      | null    | unlabelled |         | 0     |
 | 140386 | null     | null      | null    | unlabelled |         | 0     |
 | 140387 | null     | null      | null    | unlabelled |         | 0     |
 | 140388 | null     | null      | null    | unlabelled |         | 0     |
 | 140389 | null     | null      | null    | unlabelled |         | 0     |
 | 200021 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 291388 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 336301 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 391566 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 710614 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 779854 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 826990 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 923162 | null     | null      | null    | unlabelled |         | 0     |
 | 923163 | v1:6     | ethernet1 | 1235::2 | 343533     |         | 640   |
 | 923164 | v1:6     | ethernet1 | 1235::2 | 343534     |         | 640   |
 | 923165 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 923166 | v1:6     | ethernet2 | 1236::4 | 830376     |         | 1280  |
 | 923167 | null     | null      | null    | unlabelled |         | 0     |
 | 923168 | null     | null      | null    | unlabelled |         | 0     |
 | 923169 | null     | null      | null    | unlabelled |         | 0     |
 | 923170 | null     | null      | null    | unlabelled |         | 0     |
 | 923171 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 106696 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 182363 | null     | null      | null    | unlabelled |         | 0     |
 | 182364 | v1:4     | ethernet1 | 1.1.3.3 | 140381     |         | 0     |
 | 182365 | v1:4     | ethernet1 | 1.1.3.3 | 140382     |         | 0     |
 | 182366 | v1:4     | ethernet1 | 1.1.3.3 | 140383     |         | 0     |
 | 182367 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 182368 | null     | null      | null    | unlabelled |         | 0     |
 | 182369 | null     | null      | null    | unlabelled |         | 0     |
 | 182370 | null     | null      | null    | unlabelled |         | 0     |
 | 182371 | null     | null      | null    | unlabelled |         | 0     |
 | 182372 | null     | null      | null    | unlabelled |         | 0     |
 | 272964 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 417782 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 430419 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 508436 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 830372 | null     | null      | null    | unlabelled |         | 0     |
 | 830373 | v1:6     | ethernet1 | 1236::3 | 923163     |         | 0     |
 | 830374 | v1:6     | ethernet1 | 1236::3 | 923164     |         | 0     |
 | 830375 | v1:6     | ethernet1 | 1236::3 | 923165     |         | 0     |
 | 830376 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 830377 | null     | null      | null    | unlabelled |         | 0     |
 | 830378 | null     | null      | null    | unlabelled |         | 0     |
 | 830379 | null     | null      | null    | unlabelled |         | 0     |
 | 830380 | null     | null      | null    | unlabelled |         | 0     |
 | 830381 | null     | null      | null    | unlabelled |         | 0     |
 | 892449 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#