here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 17621  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 63753  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 75862  | null     | null      | null    | unlabelled |         | 0     |
 | 75863  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 75864  | v1:4     | ethernet1 | 1.1.1.2 | 1794       |         | 0     |
 | 75865  | v1:4     | ethernet1 | 1.1.1.2 | 1795       |         | 0     |
 | 75866  | v1:4     | ethernet1 | 1.1.1.2 | 1796       |         | 0     |
 | 75867  | null     | null      | null    | unlabelled |         | 0     |
 | 75868  | null     | null      | null    | unlabelled |         | 0     |
 | 75869  | null     | null      | null    | unlabelled |         | 0     |
 | 75870  | null     | null      | null    | unlabelled |         | 0     |
 | 75871  | null     | null      | null    | unlabelled |         | 0     |
 | 276327 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 346918 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 509018 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 636069 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 758552 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 772878 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 873834 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 943616 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 991289 | null     | null      | null    | unlabelled |         | 0     |
 | 991290 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 991291 | v1:6     | ethernet1 | 1234::2 | 365228     |         | 0     |
 | 991292 | v1:6     | ethernet1 | 1234::2 | 365229     |         | 0     |
 | 991293 | v1:6     | ethernet1 | 1234::2 | 365230     |         | 0     |
 | 991294 | null     | null      | null    | unlabelled |         | 0     |
 | 991295 | null     | null      | null    | unlabelled |         | 0     |
 | 991296 | null     | null      | null    | unlabelled |         | 0     |
 | 991297 | null     | null      | null    | unlabelled |         | 0     |
 | 991298 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 1792   | null     | null      | null    | unlabelled |         | 0     |
 | 1793   | v1:4     | ethernet1 | 1.1.1.1 | 75863      |         | 1280  |
 | 1794   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1795   | v1:4     | ethernet2 | 1.1.2.3 | 964084     |         | 640   |
 | 1796   | v1:4     | ethernet2 | 1.1.2.3 | 964085     |         | 640   |
 | 1797   | null     | null      | null    | unlabelled |         | 0     |
 | 1798   | null     | null      | null    | unlabelled |         | 0     |
 | 1799   | null     | null      | null    | unlabelled |         | 0     |
 | 1800   | null     | null      | null    | unlabelled |         | 0     |
 | 1801   | null     | null      | null    | unlabelled |         | 0     |
 | 43897  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 102734 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 102893 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 183734 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 282184 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 365226 | null     | null      | null    | unlabelled |         | 0     |
 | 365227 | v1:6     | ethernet1 | 1234::1 | 991290     |         | 1280  |
 | 365228 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 365229 | v1:6     | ethernet2 | 1235::3 | 446839     |         | 640   |
 | 365230 | v1:6     | ethernet2 | 1235::3 | 446840     |         | 640   |
 | 365231 | null     | null      | null    | unlabelled |         | 0     |
 | 365232 | null     | null      | null    | unlabelled |         | 0     |
 | 365233 | null     | null      | null    | unlabelled |         | 0     |
 | 365234 | null     | null      | null    | unlabelled |         | 0     |
 | 365235 | null     | null      | null    | unlabelled |         | 0     |
 | 402842 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 567548 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 613147 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 660401 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 672070 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 687875 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 894864 | tester:6 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 61887   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 205572  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 234081  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 328886  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 441910  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 446836  | null     | null      | null    | unlabelled |         | 0     |
 | 446837  | v1:6     | ethernet1 | 1235::2 | 365227     |         | 640   |
 | 446838  | v1:6     | ethernet1 | 1235::2 | 365228     |         | 640   |
 | 446839  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 446840  | v1:6     | ethernet2 | 1236::4 | 37821      |         | 1280  |
 | 446841  | null     | null      | null    | unlabelled |         | 0     |
 | 446842  | null     | null      | null    | unlabelled |         | 0     |
 | 446843  | null     | null      | null    | unlabelled |         | 0     |
 | 446844  | null     | null      | null    | unlabelled |         | 0     |
 | 446845  | null     | null      | null    | unlabelled |         | 0     |
 | 589097  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 614108  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 653480  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 682416  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 712878  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 838152  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 964081  | null     | null      | null    | unlabelled |         | 0     |
 | 964082  | v1:4     | ethernet1 | 1.1.2.2 | 1793       |         | 640   |
 | 964083  | v1:4     | ethernet1 | 1.1.2.2 | 1794       |         | 640   |
 | 964084  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 964085  | v1:4     | ethernet2 | 1.1.3.4 | 539381     |         | 1280  |
 | 964086  | null     | null      | null    | unlabelled |         | 0     |
 | 964087  | null     | null      | null    | unlabelled |         | 0     |
 | 964088  | null     | null      | null    | unlabelled |         | 0     |
 | 964089  | null     | null      | null    | unlabelled |         | 0     |
 | 964090  | null     | null      | null    | unlabelled |         | 0     |
 | 1002136 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 3248   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 37817  | null     | null      | null    | unlabelled |         | 0     |
 | 37818  | v1:6     | ethernet1 | 1236::3 | 446837     |         | 0     |
 | 37819  | v1:6     | ethernet1 | 1236::3 | 446838     |         | 0     |
 | 37820  | v1:6     | ethernet1 | 1236::3 | 446839     |         | 0     |
 | 37821  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 37822  | null     | null      | null    | unlabelled |         | 0     |
 | 37823  | null     | null      | null    | unlabelled |         | 0     |
 | 37824  | null     | null      | null    | unlabelled |         | 0     |
 | 37825  | null     | null      | null    | unlabelled |         | 0     |
 | 37826  | null     | null      | null    | unlabelled |         | 0     |
 | 83486  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 138636 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 354054 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 405676 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 477157 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 539377 | null     | null      | null    | unlabelled |         | 0     |
 | 539378 | v1:4     | ethernet1 | 1.1.3.3 | 964082     |         | 0     |
 | 539379 | v1:4     | ethernet1 | 1.1.3.3 | 964083     |         | 0     |
 | 539380 | v1:4     | ethernet1 | 1.1.3.3 | 964084     |         | 0     |
 | 539381 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 539382 | null     | null      | null    | unlabelled |         | 0     |
 | 539383 | null     | null      | null    | unlabelled |         | 0     |
 | 539384 | null     | null      | null    | unlabelled |         | 0     |
 | 539385 | null     | null      | null    | unlabelled |         | 0     |
 | 539386 | null     | null      | null    | unlabelled |         | 0     |
 | 546973 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 632242 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 777616 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 997833 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#