here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 310578  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 339215  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 422769  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 485338  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 545564  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 685553  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 706634  | null     | null      | null    | unlabelled |         | 0     |
 | 706635  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 706636  | v1:6     | ethernet1 | 1234::2 | 1019747    |         | 0     |
 | 706637  | v1:6     | ethernet1 | 1234::2 | 1019748    |         | 0     |
 | 706638  | v1:6     | ethernet1 | 1234::2 | 1019749    |         | 0     |
 | 706639  | null     | null      | null    | unlabelled |         | 0     |
 | 706640  | null     | null      | null    | unlabelled |         | 0     |
 | 706641  | null     | null      | null    | unlabelled |         | 0     |
 | 706642  | null     | null      | null    | unlabelled |         | 0     |
 | 706643  | null     | null      | null    | unlabelled |         | 0     |
 | 730843  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 830381  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 835993  | null     | null      | null    | unlabelled |         | 0     |
 | 835994  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 835995  | v1:4     | ethernet1 | 1.1.1.2 | 484864     |         | 0     |
 | 835996  | v1:4     | ethernet1 | 1.1.1.2 | 484865     |         | 0     |
 | 835997  | v1:4     | ethernet1 | 1.1.1.2 | 484866     |         | 0     |
 | 835998  | null     | null      | null    | unlabelled |         | 0     |
 | 835999  | null     | null      | null    | unlabelled |         | 0     |
 | 836000  | null     | null      | null    | unlabelled |         | 0     |
 | 836001  | null     | null      | null    | unlabelled |         | 0     |
 | 836002  | null     | null      | null    | unlabelled |         | 0     |
 | 837718  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1034886 | v1:4     | ethernet1 | 1.1.1.2 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 17269   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 72251   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 89956   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 118450  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 203660  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 294881  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 336547  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 424556  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 484862  | null     | null      | null    | unlabelled |         | 0     |
 | 484863  | v1:4     | ethernet1 | 1.1.1.1 | 835994     |         | 1280  |
 | 484864  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 484865  | v1:4     | ethernet2 | 1.1.2.3 | 120950     |         | 640   |
 | 484866  | v1:4     | ethernet2 | 1.1.2.3 | 120951     |         | 640   |
 | 484867  | null     | null      | null    | unlabelled |         | 0     |
 | 484868  | null     | null      | null    | unlabelled |         | 0     |
 | 484869  | null     | null      | null    | unlabelled |         | 0     |
 | 484870  | null     | null      | null    | unlabelled |         | 0     |
 | 484871  | null     | null      | null    | unlabelled |         | 0     |
 | 547075  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 580758  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 897914  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 1019745 | null     | null      | null    | unlabelled |         | 0     |
 | 1019746 | v1:6     | ethernet1 | 1234::1 | 706635     |         | 1280  |
 | 1019747 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1019748 | v1:6     | ethernet2 | 1235::3 | 393025     |         | 640   |
 | 1019749 | v1:6     | ethernet2 | 1235::3 | 393026     |         | 640   |
 | 1019750 | null     | null      | null    | unlabelled |         | 0     |
 | 1019751 | null     | null      | null    | unlabelled |         | 0     |
 | 1019752 | null     | null      | null    | unlabelled |         | 0     |
 | 1019753 | null     | null      | null    | unlabelled |         | 0     |
 | 1019754 | null     | null      | null    | unlabelled |         | 0     |
 | 1044231 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 102006  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 120947  | null     | null      | null    | unlabelled |         | 0     |
 | 120948  | v1:4     | ethernet1 | 1.1.2.2 | 484863     |         | 640   |
 | 120949  | v1:4     | ethernet1 | 1.1.2.2 | 484864     |         | 640   |
 | 120950  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 120951  | v1:4     | ethernet2 | 1.1.3.4 | 130784     |         | 1280  |
 | 120952  | null     | null      | null    | unlabelled |         | 0     |
 | 120953  | null     | null      | null    | unlabelled |         | 0     |
 | 120954  | null     | null      | null    | unlabelled |         | 0     |
 | 120955  | null     | null      | null    | unlabelled |         | 0     |
 | 120956  | null     | null      | null    | unlabelled |         | 0     |
 | 354351  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 393022  | null     | null      | null    | unlabelled |         | 0     |
 | 393023  | v1:6     | ethernet1 | 1235::2 | 1019746    |         | 640   |
 | 393024  | v1:6     | ethernet1 | 1235::2 | 1019747    |         | 640   |
 | 393025  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 393026  | v1:6     | ethernet2 | 1236::4 | 808693     |         | 1280  |
 | 393027  | null     | null      | null    | unlabelled |         | 0     |
 | 393028  | null     | null      | null    | unlabelled |         | 0     |
 | 393029  | null     | null      | null    | unlabelled |         | 0     |
 | 393030  | null     | null      | null    | unlabelled |         | 0     |
 | 393031  | null     | null      | null    | unlabelled |         | 0     |
 | 494443  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 498553  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 569572  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 605668  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 750359  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 869718  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 880859  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 886960  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 944908  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1014588 | tester:4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 74612   | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 130780  | null     | null      | null    | unlabelled |         | 0     |
 | 130781  | v1:4     | ethernet1 | 1.1.3.3 | 120948     |         | 0     |
 | 130782  | v1:4     | ethernet1 | 1.1.3.3 | 120949     |         | 0     |
 | 130783  | v1:4     | ethernet1 | 1.1.3.3 | 120950     |         | 0     |
 | 130784  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 130785  | null     | null      | null    | unlabelled |         | 0     |
 | 130786  | null     | null      | null    | unlabelled |         | 0     |
 | 130787  | null     | null      | null    | unlabelled |         | 0     |
 | 130788  | null     | null      | null    | unlabelled |         | 0     |
 | 130789  | null     | null      | null    | unlabelled |         | 0     |
 | 247120  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 338189  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 483834  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 493147  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 695580  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 710643  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 712271  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 808689  | null     | null      | null    | unlabelled |         | 0     |
 | 808690  | v1:6     | ethernet1 | 1236::3 | 393023     |         | 0     |
 | 808691  | v1:6     | ethernet1 | 1236::3 | 393024     |         | 0     |
 | 808692  | v1:6     | ethernet1 | 1236::3 | 393025     |         | 0     |
 | 808693  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 808694  | null     | null      | null    | unlabelled |         | 0     |
 | 808695  | null     | null      | null    | unlabelled |         | 0     |
 | 808696  | null     | null      | null    | unlabelled |         | 0     |
 | 808697  | null     | null      | null    | unlabelled |         | 0     |
 | 808698  | null     | null      | null    | unlabelled |         | 0     |
 | 979234  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1003779 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#