here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 316709  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 325297  | null     | null      | null    | unlabelled |         | 0     |
 | 325298  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 325299  | v1:4     | ethernet1 | 1.1.1.2 | 455864     |         | 0     |
 | 325300  | v1:4     | ethernet1 | 1.1.1.2 | 455865     |         | 0     |
 | 325301  | v1:4     | ethernet1 | 1.1.1.2 | 455866     |         | 0     |
 | 325302  | null     | null      | null    | unlabelled |         | 0     |
 | 325303  | null     | null      | null    | unlabelled |         | 0     |
 | 325304  | null     | null      | null    | unlabelled |         | 0     |
 | 325305  | null     | null      | null    | unlabelled |         | 0     |
 | 325306  | null     | null      | null    | unlabelled |         | 0     |
 | 458077  | null     | null      | null    | unlabelled |         | 0     |
 | 458078  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 458079  | v1:6     | ethernet1 | 1234::2 | 932110     |         | 0     |
 | 458080  | v1:6     | ethernet1 | 1234::2 | 932111     |         | 0     |
 | 458081  | v1:6     | ethernet1 | 1234::2 | 932112     |         | 0     |
 | 458082  | null     | null      | null    | unlabelled |         | 0     |
 | 458083  | null     | null      | null    | unlabelled |         | 0     |
 | 458084  | null     | null      | null    | unlabelled |         | 0     |
 | 458085  | null     | null      | null    | unlabelled |         | 0     |
 | 458086  | null     | null      | null    | unlabelled |         | 0     |
 | 475432  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 506091  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 532496  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 635021  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 693486  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 749440  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 787189  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 974398  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1001132 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 80050  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 249591 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 277047 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 324528 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 438779 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 454300 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 455862 | null     | null      | null    | unlabelled |         | 0     |
 | 455863 | v1:4     | ethernet1 | 1.1.1.1 | 325298     |         | 1280  |
 | 455864 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 455865 | v1:4     | ethernet2 | 1.1.2.3 | 794601     |         | 640   |
 | 455866 | v1:4     | ethernet2 | 1.1.2.3 | 794602     |         | 640   |
 | 455867 | null     | null      | null    | unlabelled |         | 0     |
 | 455868 | null     | null      | null    | unlabelled |         | 0     |
 | 455869 | null     | null      | null    | unlabelled |         | 0     |
 | 455870 | null     | null      | null    | unlabelled |         | 0     |
 | 455871 | null     | null      | null    | unlabelled |         | 0     |
 | 480022 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 603836 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 610275 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 657349 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 681860 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 823887 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 932108 | null     | null      | null    | unlabelled |         | 0     |
 | 932109 | v1:6     | ethernet1 | 1234::1 | 458078     |         | 1280  |
 | 932110 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 932111 | v1:6     | ethernet2 | 1235::3 | 202684     |         | 640   |
 | 932112 | v1:6     | ethernet2 | 1235::3 | 202685     |         | 640   |
 | 932113 | null     | null      | null    | unlabelled |         | 0     |
 | 932114 | null     | null      | null    | unlabelled |         | 0     |
 | 932115 | null     | null      | null    | unlabelled |         | 0     |
 | 932116 | null     | null      | null    | unlabelled |         | 0     |
 | 932117 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 175397  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 202681  | null     | null      | null    | unlabelled |         | 0     |
 | 202682  | v1:6     | ethernet1 | 1235::2 | 932109     |         | 640   |
 | 202683  | v1:6     | ethernet1 | 1235::2 | 932110     |         | 640   |
 | 202684  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 202685  | v1:6     | ethernet2 | 1236::4 | 745560     |         | 1280  |
 | 202686  | null     | null      | null    | unlabelled |         | 0     |
 | 202687  | null     | null      | null    | unlabelled |         | 0     |
 | 202688  | null     | null      | null    | unlabelled |         | 0     |
 | 202689  | null     | null      | null    | unlabelled |         | 0     |
 | 202690  | null     | null      | null    | unlabelled |         | 0     |
 | 214027  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 233810  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 243936  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 352813  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 411478  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 438046  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 497171  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 710346  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 743956  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 794598  | null     | null      | null    | unlabelled |         | 0     |
 | 794599  | v1:4     | ethernet1 | 1.1.2.2 | 455863     |         | 640   |
 | 794600  | v1:4     | ethernet1 | 1.1.2.2 | 455864     |         | 640   |
 | 794601  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 794602  | v1:4     | ethernet2 | 1.1.3.4 | 115939     |         | 1280  |
 | 794603  | null     | null      | null    | unlabelled |         | 0     |
 | 794604  | null     | null      | null    | unlabelled |         | 0     |
 | 794605  | null     | null      | null    | unlabelled |         | 0     |
 | 794606  | null     | null      | null    | unlabelled |         | 0     |
 | 794607  | null     | null      | null    | unlabelled |         | 0     |
 | 923126  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 1032742 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 7119    | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 64556   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 115935  | null     | null      | null    | unlabelled |         | 0     |
 | 115936  | v1:4     | ethernet1 | 1.1.3.3 | 794599     |         | 0     |
 | 115937  | v1:4     | ethernet1 | 1.1.3.3 | 794600     |         | 0     |
 | 115938  | v1:4     | ethernet1 | 1.1.3.3 | 794601     |         | 0     |
 | 115939  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 115940  | null     | null      | null    | unlabelled |         | 0     |
 | 115941  | null     | null      | null    | unlabelled |         | 0     |
 | 115942  | null     | null      | null    | unlabelled |         | 0     |
 | 115943  | null     | null      | null    | unlabelled |         | 0     |
 | 115944  | null     | null      | null    | unlabelled |         | 0     |
 | 256749  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 287054  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 459474  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 531267  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 687181  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 745556  | null     | null      | null    | unlabelled |         | 0     |
 | 745557  | v1:6     | ethernet1 | 1236::3 | 202682     |         | 0     |
 | 745558  | v1:6     | ethernet1 | 1236::3 | 202683     |         | 0     |
 | 745559  | v1:6     | ethernet1 | 1236::3 | 202684     |         | 0     |
 | 745560  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 745561  | null     | null      | null    | unlabelled |         | 0     |
 | 745562  | null     | null      | null    | unlabelled |         | 0     |
 | 745563  | null     | null      | null    | unlabelled |         | 0     |
 | 745564  | null     | null      | null    | unlabelled |         | 0     |
 | 745565  | null     | null      | null    | unlabelled |         | 0     |
 | 805779  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 867460  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1007752 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#