here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 48775   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 90799   | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 230782  | null     | null      | null    | unlabelled |         | 0     |
 | 230783  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 230784  | v1:6     | ethernet1 | 1234::2 | 545504     |         | 0     |
 | 230785  | v1:6     | ethernet1 | 1234::2 | 545505     |         | 0     |
 | 230786  | v1:6     | ethernet1 | 1234::2 | 545506     |         | 0     |
 | 230787  | null     | null      | null    | unlabelled |         | 0     |
 | 230788  | null     | null      | null    | unlabelled |         | 0     |
 | 230789  | null     | null      | null    | unlabelled |         | 0     |
 | 230790  | null     | null      | null    | unlabelled |         | 0     |
 | 230791  | null     | null      | null    | unlabelled |         | 0     |
 | 321321  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 486937  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 760906  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 874785  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 915653  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 945257  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 968166  | null     | null      | null    | unlabelled |         | 0     |
 | 968167  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 968168  | v1:4     | ethernet1 | 1.1.1.2 | 193809     |         | 0     |
 | 968169  | v1:4     | ethernet1 | 1.1.1.2 | 193810     |         | 0     |
 | 968170  | v1:4     | ethernet1 | 1.1.1.2 | 193811     |         | 0     |
 | 968171  | null     | null      | null    | unlabelled |         | 0     |
 | 968172  | null     | null      | null    | unlabelled |         | 0     |
 | 968173  | null     | null      | null    | unlabelled |         | 0     |
 | 968174  | null     | null      | null    | unlabelled |         | 0     |
 | 968175  | null     | null      | null    | unlabelled |         | 0     |
 | 1003387 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1004493 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 58453  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 76267  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 81346  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 169509 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 193807 | null     | null      | null    | unlabelled |         | 0     |
 | 193808 | v1:4     | ethernet1 | 1.1.1.1 | 968167     |         | 1280  |
 | 193809 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 193810 | v1:4     | ethernet2 | 1.1.2.3 | 690076     |         | 640   |
 | 193811 | v1:4     | ethernet2 | 1.1.2.3 | 690077     |         | 640   |
 | 193812 | null     | null      | null    | unlabelled |         | 0     |
 | 193813 | null     | null      | null    | unlabelled |         | 0     |
 | 193814 | null     | null      | null    | unlabelled |         | 0     |
 | 193815 | null     | null      | null    | unlabelled |         | 0     |
 | 193816 | null     | null      | null    | unlabelled |         | 0     |
 | 266313 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 499552 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 545502 | null     | null      | null    | unlabelled |         | 0     |
 | 545503 | v1:6     | ethernet1 | 1234::1 | 230783     |         | 1280  |
 | 545504 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 545505 | v1:6     | ethernet2 | 1235::3 | 685326     |         | 640   |
 | 545506 | v1:6     | ethernet2 | 1235::3 | 685327     |         | 640   |
 | 545507 | null     | null      | null    | unlabelled |         | 0     |
 | 545508 | null     | null      | null    | unlabelled |         | 0     |
 | 545509 | null     | null      | null    | unlabelled |         | 0     |
 | 545510 | null     | null      | null    | unlabelled |         | 0     |
 | 545511 | null     | null      | null    | unlabelled |         | 0     |
 | 598867 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 633616 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 682962 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 862383 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 957009 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 967502 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 149846 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 191102 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 197386 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 220192 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 581670 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 618858 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 622463 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 667942 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 673674 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 685323 | null     | null      | null    | unlabelled |         | 0     |
 | 685324 | v1:6     | ethernet1 | 1235::2 | 545503     |         | 640   |
 | 685325 | v1:6     | ethernet1 | 1235::2 | 545504     |         | 640   |
 | 685326 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 685327 | v1:6     | ethernet2 | 1236::4 | 666465     |         | 1280  |
 | 685328 | null     | null      | null    | unlabelled |         | 0     |
 | 685329 | null     | null      | null    | unlabelled |         | 0     |
 | 685330 | null     | null      | null    | unlabelled |         | 0     |
 | 685331 | null     | null      | null    | unlabelled |         | 0     |
 | 685332 | null     | null      | null    | unlabelled |         | 0     |
 | 690073 | null     | null      | null    | unlabelled |         | 0     |
 | 690074 | v1:4     | ethernet1 | 1.1.2.2 | 193808     |         | 640   |
 | 690075 | v1:4     | ethernet1 | 1.1.2.2 | 193809     |         | 640   |
 | 690076 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 690077 | v1:4     | ethernet2 | 1.1.3.4 | 334408     |         | 1280  |
 | 690078 | null     | null      | null    | unlabelled |         | 0     |
 | 690079 | null     | null      | null    | unlabelled |         | 0     |
 | 690080 | null     | null      | null    | unlabelled |         | 0     |
 | 690081 | null     | null      | null    | unlabelled |         | 0     |
 | 690082 | null     | null      | null    | unlabelled |         | 0     |
 | 738443 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 873674 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 926699 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 66136  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 118307 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 118491 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 212218 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 292481 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 334404 | null     | null      | null    | unlabelled |         | 0     |
 | 334405 | v1:4     | ethernet1 | 1.1.3.3 | 690074     |         | 0     |
 | 334406 | v1:4     | ethernet1 | 1.1.3.3 | 690075     |         | 0     |
 | 334407 | v1:4     | ethernet1 | 1.1.3.3 | 690076     |         | 0     |
 | 334408 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 334409 | null     | null      | null    | unlabelled |         | 0     |
 | 334410 | null     | null      | null    | unlabelled |         | 0     |
 | 334411 | null     | null      | null    | unlabelled |         | 0     |
 | 334412 | null     | null      | null    | unlabelled |         | 0     |
 | 334413 | null     | null      | null    | unlabelled |         | 0     |
 | 370934 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 547829 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 664848 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 666461 | null     | null      | null    | unlabelled |         | 0     |
 | 666462 | v1:6     | ethernet1 | 1236::3 | 685324     |         | 0     |
 | 666463 | v1:6     | ethernet1 | 1236::3 | 685325     |         | 0     |
 | 666464 | v1:6     | ethernet1 | 1236::3 | 685326     |         | 0     |
 | 666465 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 666466 | null     | null      | null    | unlabelled |         | 0     |
 | 666467 | null     | null      | null    | unlabelled |         | 0     |
 | 666468 | null     | null      | null    | unlabelled |         | 0     |
 | 666469 | null     | null      | null    | unlabelled |         | 0     |
 | 666470 | null     | null      | null    | unlabelled |         | 0     |
 | 881977 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 921427 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#