here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 250011  | null     | null      | null    | unlabelled |         | 0     |
 | 250012  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 250013  | v1:4     | ethernet1 | 1.1.1.2 | 612635     |         | 0     |
 | 250014  | v1:4     | ethernet1 | 1.1.1.2 | 612636     |         | 0     |
 | 250015  | v1:4     | ethernet1 | 1.1.1.2 | 612637     |         | 0     |
 | 250016  | null     | null      | null    | unlabelled |         | 0     |
 | 250017  | null     | null      | null    | unlabelled |         | 0     |
 | 250018  | null     | null      | null    | unlabelled |         | 0     |
 | 250019  | null     | null      | null    | unlabelled |         | 0     |
 | 250020  | null     | null      | null    | unlabelled |         | 0     |
 | 262491  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 272502  | null     | null      | null    | unlabelled |         | 0     |
 | 272503  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 272504  | v1:6     | ethernet1 | 1234::2 | 763445     |         | 0     |
 | 272505  | v1:6     | ethernet1 | 1234::2 | 763446     |         | 0     |
 | 272506  | v1:6     | ethernet1 | 1234::2 | 763447     |         | 0     |
 | 272507  | null     | null      | null    | unlabelled |         | 0     |
 | 272508  | null     | null      | null    | unlabelled |         | 0     |
 | 272509  | null     | null      | null    | unlabelled |         | 0     |
 | 272510  | null     | null      | null    | unlabelled |         | 0     |
 | 272511  | null     | null      | null    | unlabelled |         | 0     |
 | 392961  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 495142  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 506802  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 550909  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 751592  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 784752  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 997216  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1019111 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1021359 | v1:6     | ethernet1 | 1234::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 195251 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 253333 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 457841 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 463729 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 518028 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 612633 | null     | null      | null    | unlabelled |         | 0     |
 | 612634 | v1:4     | ethernet1 | 1.1.1.1 | 250012     |         | 1280  |
 | 612635 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 612636 | v1:4     | ethernet2 | 1.1.2.3 | 129486     |         | 640   |
 | 612637 | v1:4     | ethernet2 | 1.1.2.3 | 129487     |         | 640   |
 | 612638 | null     | null      | null    | unlabelled |         | 0     |
 | 612639 | null     | null      | null    | unlabelled |         | 0     |
 | 612640 | null     | null      | null    | unlabelled |         | 0     |
 | 612641 | null     | null      | null    | unlabelled |         | 0     |
 | 612642 | null     | null      | null    | unlabelled |         | 0     |
 | 663405 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 664066 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 669675 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 701012 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 763443 | null     | null      | null    | unlabelled |         | 0     |
 | 763444 | v1:6     | ethernet1 | 1234::1 | 272503     |         | 1280  |
 | 763445 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 763446 | v1:6     | ethernet2 | 1235::3 | 415293     |         | 640   |
 | 763447 | v1:6     | ethernet2 | 1235::3 | 415294     |         | 640   |
 | 763448 | null     | null      | null    | unlabelled |         | 0     |
 | 763449 | null     | null      | null    | unlabelled |         | 0     |
 | 763450 | null     | null      | null    | unlabelled |         | 0     |
 | 763451 | null     | null      | null    | unlabelled |         | 0     |
 | 763452 | null     | null      | null    | unlabelled |         | 0     |
 | 814501 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 929756 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 942330 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 87519  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 129483 | null     | null      | null    | unlabelled |         | 0     |
 | 129484 | v1:4     | ethernet1 | 1.1.2.2 | 612634     |         | 640   |
 | 129485 | v1:4     | ethernet1 | 1.1.2.2 | 612635     |         | 640   |
 | 129486 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 129487 | v1:4     | ethernet2 | 1.1.3.4 | 40209      |         | 1280  |
 | 129488 | null     | null      | null    | unlabelled |         | 0     |
 | 129489 | null     | null      | null    | unlabelled |         | 0     |
 | 129490 | null     | null      | null    | unlabelled |         | 0     |
 | 129491 | null     | null      | null    | unlabelled |         | 0     |
 | 129492 | null     | null      | null    | unlabelled |         | 0     |
 | 140887 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 226971 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 246499 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 326523 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 335062 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 397047 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 415290 | null     | null      | null    | unlabelled |         | 0     |
 | 415291 | v1:6     | ethernet1 | 1235::2 | 763444     |         | 640   |
 | 415292 | v1:6     | ethernet1 | 1235::2 | 763445     |         | 640   |
 | 415293 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 415294 | v1:6     | ethernet2 | 1236::4 | 61428      |         | 1280  |
 | 415295 | null     | null      | null    | unlabelled |         | 0     |
 | 415296 | null     | null      | null    | unlabelled |         | 0     |
 | 415297 | null     | null      | null    | unlabelled |         | 0     |
 | 415298 | null     | null      | null    | unlabelled |         | 0     |
 | 415299 | null     | null      | null    | unlabelled |         | 0     |
 | 496516 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 512373 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 523359 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 568647 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 979115 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 40205  | null     | null      | null    | unlabelled |         | 0     |
 | 40206  | v1:4     | ethernet1 | 1.1.3.3 | 129484     |         | 0     |
 | 40207  | v1:4     | ethernet1 | 1.1.3.3 | 129485     |         | 0     |
 | 40208  | v1:4     | ethernet1 | 1.1.3.3 | 129486     |         | 0     |
 | 40209  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 40210  | null     | null      | null    | unlabelled |         | 0     |
 | 40211  | null     | null      | null    | unlabelled |         | 0     |
 | 40212  | null     | null      | null    | unlabelled |         | 0     |
 | 40213  | null     | null      | null    | unlabelled |         | 0     |
 | 40214  | null     | null      | null    | unlabelled |         | 0     |
 | 61424  | null     | null      | null    | unlabelled |         | 0     |
 | 61425  | v1:6     | ethernet1 | 1236::3 | 415291     |         | 0     |
 | 61426  | v1:6     | ethernet1 | 1236::3 | 415292     |         | 0     |
 | 61427  | v1:6     | ethernet1 | 1236::3 | 415293     |         | 0     |
 | 61428  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 61429  | null     | null      | null    | unlabelled |         | 0     |
 | 61430  | null     | null      | null    | unlabelled |         | 0     |
 | 61431  | null     | null      | null    | unlabelled |         | 0     |
 | 61432  | null     | null      | null    | unlabelled |         | 0     |
 | 61433  | null     | null      | null    | unlabelled |         | 0     |
 | 75874  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 246885 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 376099 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 394522 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 408727 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 529364 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 815518 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 824535 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 968906 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 975677 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#