here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 8262   | null     | null      | null    | unlabelled |         | 0     |
 | 8263   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 8264   | v1:4     | ethernet1 | 1.1.1.2 | 236217     |         | 0     |
 | 8265   | v1:4     | ethernet1 | 1.1.1.2 | 236218     |         | 0     |
 | 8266   | v1:4     | ethernet1 | 1.1.1.2 | 236219     |         | 0     |
 | 8267   | null     | null      | null    | unlabelled |         | 0     |
 | 8268   | null     | null      | null    | unlabelled |         | 0     |
 | 8269   | null     | null      | null    | unlabelled |         | 0     |
 | 8270   | null     | null      | null    | unlabelled |         | 0     |
 | 8271   | null     | null      | null    | unlabelled |         | 0     |
 | 162207 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 429068 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 445064 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 455467 | null     | null      | null    | unlabelled |         | 0     |
 | 455468 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 455469 | v1:6     | ethernet1 | 1234::2 | 418340     |         | 0     |
 | 455470 | v1:6     | ethernet1 | 1234::2 | 418341     |         | 0     |
 | 455471 | v1:6     | ethernet1 | 1234::2 | 418342     |         | 0     |
 | 455472 | null     | null      | null    | unlabelled |         | 0     |
 | 455473 | null     | null      | null    | unlabelled |         | 0     |
 | 455474 | null     | null      | null    | unlabelled |         | 0     |
 | 455475 | null     | null      | null    | unlabelled |         | 0     |
 | 455476 | null     | null      | null    | unlabelled |         | 0     |
 | 763494 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 832187 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 970715 | tester:6 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 23742   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 56668   | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 162564  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 236215  | null     | null      | null    | unlabelled |         | 0     |
 | 236216  | v1:4     | ethernet1 | 1.1.1.1 | 8263       |         | 1280  |
 | 236217  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 236218  | v1:4     | ethernet2 | 1.1.2.3 | 745830     |         | 640   |
 | 236219  | v1:4     | ethernet2 | 1.1.2.3 | 745831     |         | 640   |
 | 236220  | null     | null      | null    | unlabelled |         | 0     |
 | 236221  | null     | null      | null    | unlabelled |         | 0     |
 | 236222  | null     | null      | null    | unlabelled |         | 0     |
 | 236223  | null     | null      | null    | unlabelled |         | 0     |
 | 236224  | null     | null      | null    | unlabelled |         | 0     |
 | 408596  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 418338  | null     | null      | null    | unlabelled |         | 0     |
 | 418339  | v1:6     | ethernet1 | 1234::1 | 455468     |         | 1280  |
 | 418340  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 418341  | v1:6     | ethernet2 | 1235::3 | 854391     |         | 640   |
 | 418342  | v1:6     | ethernet2 | 1235::3 | 854392     |         | 640   |
 | 418343  | null     | null      | null    | unlabelled |         | 0     |
 | 418344  | null     | null      | null    | unlabelled |         | 0     |
 | 418345  | null     | null      | null    | unlabelled |         | 0     |
 | 418346  | null     | null      | null    | unlabelled |         | 0     |
 | 418347  | null     | null      | null    | unlabelled |         | 0     |
 | 770826  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 811018  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1005043 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 1021843 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 190167  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 334417  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 357110  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 498995  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 539598  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 570273  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 681439  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 745827  | null     | null      | null    | unlabelled |         | 0     |
 | 745828  | v1:4     | ethernet1 | 1.1.2.2 | 236216     |         | 640   |
 | 745829  | v1:4     | ethernet1 | 1.1.2.2 | 236217     |         | 640   |
 | 745830  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 745831  | v1:4     | ethernet2 | 1.1.3.4 | 809696     |         | 1280  |
 | 745832  | null     | null      | null    | unlabelled |         | 0     |
 | 745833  | null     | null      | null    | unlabelled |         | 0     |
 | 745834  | null     | null      | null    | unlabelled |         | 0     |
 | 745835  | null     | null      | null    | unlabelled |         | 0     |
 | 745836  | null     | null      | null    | unlabelled |         | 0     |
 | 854388  | null     | null      | null    | unlabelled |         | 0     |
 | 854389  | v1:6     | ethernet1 | 1235::2 | 418339     |         | 640   |
 | 854390  | v1:6     | ethernet1 | 1235::2 | 418340     |         | 640   |
 | 854391  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 854392  | v1:6     | ethernet2 | 1236::4 | 610898     |         | 1280  |
 | 854393  | null     | null      | null    | unlabelled |         | 0     |
 | 854394  | null     | null      | null    | unlabelled |         | 0     |
 | 854395  | null     | null      | null    | unlabelled |         | 0     |
 | 854396  | null     | null      | null    | unlabelled |         | 0     |
 | 854397  | null     | null      | null    | unlabelled |         | 0     |
 | 1026588 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 73307  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 286765 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 606697 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 610894 | null     | null      | null    | unlabelled |         | 0     |
 | 610895 | v1:6     | ethernet1 | 1236::3 | 854389     |         | 0     |
 | 610896 | v1:6     | ethernet1 | 1236::3 | 854390     |         | 0     |
 | 610897 | v1:6     | ethernet1 | 1236::3 | 854391     |         | 0     |
 | 610898 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 610899 | null     | null      | null    | unlabelled |         | 0     |
 | 610900 | null     | null      | null    | unlabelled |         | 0     |
 | 610901 | null     | null      | null    | unlabelled |         | 0     |
 | 610902 | null     | null      | null    | unlabelled |         | 0     |
 | 610903 | null     | null      | null    | unlabelled |         | 0     |
 | 809692 | null     | null      | null    | unlabelled |         | 0     |
 | 809693 | v1:4     | ethernet1 | 1.1.3.3 | 745828     |         | 0     |
 | 809694 | v1:4     | ethernet1 | 1.1.3.3 | 745829     |         | 0     |
 | 809695 | v1:4     | ethernet1 | 1.1.3.3 | 745830     |         | 0     |
 | 809696 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 809697 | null     | null      | null    | unlabelled |         | 0     |
 | 809698 | null     | null      | null    | unlabelled |         | 0     |
 | 809699 | null     | null      | null    | unlabelled |         | 0     |
 | 809700 | null     | null      | null    | unlabelled |         | 0     |
 | 809701 | null     | null      | null    | unlabelled |         | 0     |
 | 850682 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 908511 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 964957 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#