here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 67953   | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 73642   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 141826  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 195691  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 200364  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 253658  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 606981  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 745035  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 924499  | null     | null      | null    | unlabelled |         | 0     |
 | 924500  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 924501  | v1:4     | ethernet1 | 1.1.1.2 | 738846     |         | 0     |
 | 924502  | v1:4     | ethernet1 | 1.1.1.2 | 738847     |         | 0     |
 | 924503  | v1:4     | ethernet1 | 1.1.1.2 | 738848     |         | 0     |
 | 924504  | null     | null      | null    | unlabelled |         | 0     |
 | 924505  | null     | null      | null    | unlabelled |         | 0     |
 | 924506  | null     | null      | null    | unlabelled |         | 0     |
 | 924507  | null     | null      | null    | unlabelled |         | 0     |
 | 924508  | null     | null      | null    | unlabelled |         | 0     |
 | 965302  | null     | null      | null    | unlabelled |         | 0     |
 | 965303  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 965304  | v1:6     | ethernet1 | 1234::2 | 658354     |         | 0     |
 | 965305  | v1:6     | ethernet1 | 1234::2 | 658355     |         | 0     |
 | 965306  | v1:6     | ethernet1 | 1234::2 | 658356     |         | 0     |
 | 965307  | null     | null      | null    | unlabelled |         | 0     |
 | 965308  | null     | null      | null    | unlabelled |         | 0     |
 | 965309  | null     | null      | null    | unlabelled |         | 0     |
 | 965310  | null     | null      | null    | unlabelled |         | 0     |
 | 965311  | null     | null      | null    | unlabelled |         | 0     |
 | 1021125 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1044426 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 14337   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 157658  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 182111  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 229906  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 230141  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 294617  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 304520  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 455713  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 511263  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 514306  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 658352  | null     | null      | null    | unlabelled |         | 0     |
 | 658353  | v1:6     | ethernet1 | 1234::1 | 965303     |         | 1280  |
 | 658354  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 658355  | v1:6     | ethernet2 | 1235::3 | 62055      |         | 640   |
 | 658356  | v1:6     | ethernet2 | 1235::3 | 62056      |         | 640   |
 | 658357  | null     | null      | null    | unlabelled |         | 0     |
 | 658358  | null     | null      | null    | unlabelled |         | 0     |
 | 658359  | null     | null      | null    | unlabelled |         | 0     |
 | 658360  | null     | null      | null    | unlabelled |         | 0     |
 | 658361  | null     | null      | null    | unlabelled |         | 0     |
 | 738844  | null     | null      | null    | unlabelled |         | 0     |
 | 738845  | v1:4     | ethernet1 | 1.1.1.1 | 924500     |         | 1280  |
 | 738846  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 738847  | v1:4     | ethernet2 | 1.1.2.3 | 780811     |         | 640   |
 | 738848  | v1:4     | ethernet2 | 1.1.2.3 | 780812     |         | 640   |
 | 738849  | null     | null      | null    | unlabelled |         | 0     |
 | 738850  | null     | null      | null    | unlabelled |         | 0     |
 | 738851  | null     | null      | null    | unlabelled |         | 0     |
 | 738852  | null     | null      | null    | unlabelled |         | 0     |
 | 738853  | null     | null      | null    | unlabelled |         | 0     |
 | 924942  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 1039778 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 31078   | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 62052   | null     | null      | null    | unlabelled |         | 0     |
 | 62053   | v1:6     | ethernet1 | 1235::2 | 658353     |         | 640   |
 | 62054   | v1:6     | ethernet1 | 1235::2 | 658354     |         | 640   |
 | 62055   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 62056   | v1:6     | ethernet2 | 1236::4 | 276457     |         | 1280  |
 | 62057   | null     | null      | null    | unlabelled |         | 0     |
 | 62058   | null     | null      | null    | unlabelled |         | 0     |
 | 62059   | null     | null      | null    | unlabelled |         | 0     |
 | 62060   | null     | null      | null    | unlabelled |         | 0     |
 | 62061   | null     | null      | null    | unlabelled |         | 0     |
 | 124969  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 176937  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 281962  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 337510  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 380905  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 492448  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 752502  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 780808  | null     | null      | null    | unlabelled |         | 0     |
 | 780809  | v1:4     | ethernet1 | 1.1.2.2 | 738845     |         | 640   |
 | 780810  | v1:4     | ethernet1 | 1.1.2.2 | 738846     |         | 640   |
 | 780811  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 780812  | v1:4     | ethernet2 | 1.1.3.4 | 589734     |         | 1280  |
 | 780813  | null     | null      | null    | unlabelled |         | 0     |
 | 780814  | null     | null      | null    | unlabelled |         | 0     |
 | 780815  | null     | null      | null    | unlabelled |         | 0     |
 | 780816  | null     | null      | null    | unlabelled |         | 0     |
 | 780817  | null     | null      | null    | unlabelled |         | 0     |
 | 831585  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 880405  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 894553  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1033710 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 18357   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 30526   | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 55346   | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 132534  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 177986  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 276453  | null     | null      | null    | unlabelled |         | 0     |
 | 276454  | v1:6     | ethernet1 | 1236::3 | 62053      |         | 0     |
 | 276455  | v1:6     | ethernet1 | 1236::3 | 62054      |         | 0     |
 | 276456  | v1:6     | ethernet1 | 1236::3 | 62055      |         | 0     |
 | 276457  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 276458  | null     | null      | null    | unlabelled |         | 0     |
 | 276459  | null     | null      | null    | unlabelled |         | 0     |
 | 276460  | null     | null      | null    | unlabelled |         | 0     |
 | 276461  | null     | null      | null    | unlabelled |         | 0     |
 | 276462  | null     | null      | null    | unlabelled |         | 0     |
 | 578232  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 589730  | null     | null      | null    | unlabelled |         | 0     |
 | 589731  | v1:4     | ethernet1 | 1.1.3.3 | 780809     |         | 0     |
 | 589732  | v1:4     | ethernet1 | 1.1.3.3 | 780810     |         | 0     |
 | 589733  | v1:4     | ethernet1 | 1.1.3.3 | 780811     |         | 0     |
 | 589734  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 589735  | null     | null      | null    | unlabelled |         | 0     |
 | 589736  | null     | null      | null    | unlabelled |         | 0     |
 | 589737  | null     | null      | null    | unlabelled |         | 0     |
 | 589738  | null     | null      | null    | unlabelled |         | 0     |
 | 589739  | null     | null      | null    | unlabelled |         | 0     |
 | 662122  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 937715  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 993943  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1020481 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#