here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 86776  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 165775 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 196564 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 276419 | null     | null      | null    | unlabelled |         | 0     |
 | 276420 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 276421 | v1:6     | ethernet1 | 1234::2 | 160642     |         | 0     |
 | 276422 | v1:6     | ethernet1 | 1234::2 | 160643     |         | 0     |
 | 276423 | v1:6     | ethernet1 | 1234::2 | 160644     |         | 0     |
 | 276424 | null     | null      | null    | unlabelled |         | 0     |
 | 276425 | null     | null      | null    | unlabelled |         | 0     |
 | 276426 | null     | null      | null    | unlabelled |         | 0     |
 | 276427 | null     | null      | null    | unlabelled |         | 0     |
 | 276428 | null     | null      | null    | unlabelled |         | 0     |
 | 360153 | null     | null      | null    | unlabelled |         | 0     |
 | 360154 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 360155 | v1:4     | ethernet1 | 1.1.1.2 | 582792     |         | 0     |
 | 360156 | v1:4     | ethernet1 | 1.1.1.2 | 582793     |         | 0     |
 | 360157 | v1:4     | ethernet1 | 1.1.1.2 | 582794     |         | 0     |
 | 360158 | null     | null      | null    | unlabelled |         | 0     |
 | 360159 | null     | null      | null    | unlabelled |         | 0     |
 | 360160 | null     | null      | null    | unlabelled |         | 0     |
 | 360161 | null     | null      | null    | unlabelled |         | 0     |
 | 360162 | null     | null      | null    | unlabelled |         | 0     |
 | 408270 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 425404 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 586140 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 723192 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 729632 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 810827 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 937676 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 40757   | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 47344   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 111859  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 160640  | null     | null      | null    | unlabelled |         | 0     |
 | 160641  | v1:6     | ethernet1 | 1234::1 | 276420     |         | 1280  |
 | 160642  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 160643  | v1:6     | ethernet2 | 1235::3 | 587411     |         | 640   |
 | 160644  | v1:6     | ethernet2 | 1235::3 | 587412     |         | 640   |
 | 160645  | null     | null      | null    | unlabelled |         | 0     |
 | 160646  | null     | null      | null    | unlabelled |         | 0     |
 | 160647  | null     | null      | null    | unlabelled |         | 0     |
 | 160648  | null     | null      | null    | unlabelled |         | 0     |
 | 160649  | null     | null      | null    | unlabelled |         | 0     |
 | 184569  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 216032  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 354645  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 366338  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 397846  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 484002  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 582790  | null     | null      | null    | unlabelled |         | 0     |
 | 582791  | v1:4     | ethernet1 | 1.1.1.1 | 360154     |         | 1280  |
 | 582792  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 582793  | v1:4     | ethernet2 | 1.1.2.3 | 208707     |         | 640   |
 | 582794  | v1:4     | ethernet2 | 1.1.2.3 | 208708     |         | 640   |
 | 582795  | null     | null      | null    | unlabelled |         | 0     |
 | 582796  | null     | null      | null    | unlabelled |         | 0     |
 | 582797  | null     | null      | null    | unlabelled |         | 0     |
 | 582798  | null     | null      | null    | unlabelled |         | 0     |
 | 582799  | null     | null      | null    | unlabelled |         | 0     |
 | 703697  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 964113  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 1012456 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 177792  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 208704  | null     | null      | null    | unlabelled |         | 0     |
 | 208705  | v1:4     | ethernet1 | 1.1.2.2 | 582791     |         | 640   |
 | 208706  | v1:4     | ethernet1 | 1.1.2.2 | 582792     |         | 640   |
 | 208707  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 208708  | v1:4     | ethernet2 | 1.1.3.4 | 992697     |         | 1280  |
 | 208709  | null     | null      | null    | unlabelled |         | 0     |
 | 208710  | null     | null      | null    | unlabelled |         | 0     |
 | 208711  | null     | null      | null    | unlabelled |         | 0     |
 | 208712  | null     | null      | null    | unlabelled |         | 0     |
 | 208713  | null     | null      | null    | unlabelled |         | 0     |
 | 230579  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 271412  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 317433  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 328396  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 368137  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 388382  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 497607  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 553401  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 587408  | null     | null      | null    | unlabelled |         | 0     |
 | 587409  | v1:6     | ethernet1 | 1235::2 | 160641     |         | 640   |
 | 587410  | v1:6     | ethernet1 | 1235::2 | 160642     |         | 640   |
 | 587411  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 587412  | v1:6     | ethernet2 | 1236::4 | 333125     |         | 1280  |
 | 587413  | null     | null      | null    | unlabelled |         | 0     |
 | 587414  | null     | null      | null    | unlabelled |         | 0     |
 | 587415  | null     | null      | null    | unlabelled |         | 0     |
 | 587416  | null     | null      | null    | unlabelled |         | 0     |
 | 587417  | null     | null      | null    | unlabelled |         | 0     |
 | 731036  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 871199  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 1019768 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 61527  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 112769 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 218659 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 311852 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 333121 | null     | null      | null    | unlabelled |         | 0     |
 | 333122 | v1:6     | ethernet1 | 1236::3 | 587409     |         | 0     |
 | 333123 | v1:6     | ethernet1 | 1236::3 | 587410     |         | 0     |
 | 333124 | v1:6     | ethernet1 | 1236::3 | 587411     |         | 0     |
 | 333125 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 333126 | null     | null      | null    | unlabelled |         | 0     |
 | 333127 | null     | null      | null    | unlabelled |         | 0     |
 | 333128 | null     | null      | null    | unlabelled |         | 0     |
 | 333129 | null     | null      | null    | unlabelled |         | 0     |
 | 333130 | null     | null      | null    | unlabelled |         | 0     |
 | 403239 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 415205 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 697323 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 740773 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 910760 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 992693 | null     | null      | null    | unlabelled |         | 0     |
 | 992694 | v1:4     | ethernet1 | 1.1.3.3 | 208705     |         | 0     |
 | 992695 | v1:4     | ethernet1 | 1.1.3.3 | 208706     |         | 0     |
 | 992696 | v1:4     | ethernet1 | 1.1.3.3 | 208707     |         | 0     |
 | 992697 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 992698 | null     | null      | null    | unlabelled |         | 0     |
 | 992699 | null     | null      | null    | unlabelled |         | 0     |
 | 992700 | null     | null      | null    | unlabelled |         | 0     |
 | 992701 | null     | null      | null    | unlabelled |         | 0     |
 | 992702 | null     | null      | null    | unlabelled |         | 0     |
 | 998152 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#