here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 417    | null     | null      | null    | unlabelled |         | 0     |
 | 418    | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 419    | v1:6     | ethernet1 | 1234::2 | 215280     |         | 0     |
 | 420    | v1:6     | ethernet1 | 1234::2 | 215281     |         | 0     |
 | 421    | v1:6     | ethernet1 | 1234::2 | 215282     |         | 0     |
 | 422    | null     | null      | null    | unlabelled |         | 0     |
 | 423    | null     | null      | null    | unlabelled |         | 0     |
 | 424    | null     | null      | null    | unlabelled |         | 0     |
 | 425    | null     | null      | null    | unlabelled |         | 0     |
 | 426    | null     | null      | null    | unlabelled |         | 0     |
 | 206203 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 282728 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 302498 | null     | null      | null    | unlabelled |         | 0     |
 | 302499 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 302500 | v1:4     | ethernet1 | 1.1.1.2 | 725515     |         | 0     |
 | 302501 | v1:4     | ethernet1 | 1.1.1.2 | 725516     |         | 0     |
 | 302502 | v1:4     | ethernet1 | 1.1.1.2 | 725517     |         | 0     |
 | 302503 | null     | null      | null    | unlabelled |         | 0     |
 | 302504 | null     | null      | null    | unlabelled |         | 0     |
 | 302505 | null     | null      | null    | unlabelled |         | 0     |
 | 302506 | null     | null      | null    | unlabelled |         | 0     |
 | 302507 | null     | null      | null    | unlabelled |         | 0     |
 | 346379 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 523950 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 591968 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 720737 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 552     | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 72538   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 113314  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 215278  | null     | null      | null    | unlabelled |         | 0     |
 | 215279  | v1:6     | ethernet1 | 1234::1 | 418        |         | 1280  |
 | 215280  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 215281  | v1:6     | ethernet2 | 1235::3 | 858034     |         | 640   |
 | 215282  | v1:6     | ethernet2 | 1235::3 | 858035     |         | 640   |
 | 215283  | null     | null      | null    | unlabelled |         | 0     |
 | 215284  | null     | null      | null    | unlabelled |         | 0     |
 | 215285  | null     | null      | null    | unlabelled |         | 0     |
 | 215286  | null     | null      | null    | unlabelled |         | 0     |
 | 215287  | null     | null      | null    | unlabelled |         | 0     |
 | 412236  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 657670  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 725513  | null     | null      | null    | unlabelled |         | 0     |
 | 725514  | v1:4     | ethernet1 | 1.1.1.1 | 302499     |         | 1280  |
 | 725515  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 725516  | v1:4     | ethernet2 | 1.1.2.3 | 368681     |         | 640   |
 | 725517  | v1:4     | ethernet2 | 1.1.2.3 | 368682     |         | 640   |
 | 725518  | null     | null      | null    | unlabelled |         | 0     |
 | 725519  | null     | null      | null    | unlabelled |         | 0     |
 | 725520  | null     | null      | null    | unlabelled |         | 0     |
 | 725521  | null     | null      | null    | unlabelled |         | 0     |
 | 725522  | null     | null      | null    | unlabelled |         | 0     |
 | 726074  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 933055  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 1026468 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 29436  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 193715 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 368678 | null     | null      | null    | unlabelled |         | 0     |
 | 368679 | v1:4     | ethernet1 | 1.1.2.2 | 725514     |         | 640   |
 | 368680 | v1:4     | ethernet1 | 1.1.2.2 | 725515     |         | 640   |
 | 368681 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 368682 | v1:4     | ethernet2 | 1.1.3.4 | 519631     |         | 1280  |
 | 368683 | null     | null      | null    | unlabelled |         | 0     |
 | 368684 | null     | null      | null    | unlabelled |         | 0     |
 | 368685 | null     | null      | null    | unlabelled |         | 0     |
 | 368686 | null     | null      | null    | unlabelled |         | 0     |
 | 368687 | null     | null      | null    | unlabelled |         | 0     |
 | 398700 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 424565 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 565210 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 781687 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 821322 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 848122 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 858031 | null     | null      | null    | unlabelled |         | 0     |
 | 858032 | v1:6     | ethernet1 | 1235::2 | 215279     |         | 640   |
 | 858033 | v1:6     | ethernet1 | 1235::2 | 215280     |         | 640   |
 | 858034 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 858035 | v1:6     | ethernet2 | 1236::4 | 601971     |         | 1280  |
 | 858036 | null     | null      | null    | unlabelled |         | 0     |
 | 858037 | null     | null      | null    | unlabelled |         | 0     |
 | 858038 | null     | null      | null    | unlabelled |         | 0     |
 | 858039 | null     | null      | null    | unlabelled |         | 0     |
 | 858040 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 34706  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 93461  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 133719 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 171271 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 519627 | null     | null      | null    | unlabelled |         | 0     |
 | 519628 | v1:4     | ethernet1 | 1.1.3.3 | 368679     |         | 0     |
 | 519629 | v1:4     | ethernet1 | 1.1.3.3 | 368680     |         | 0     |
 | 519630 | v1:4     | ethernet1 | 1.1.3.3 | 368681     |         | 0     |
 | 519631 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 519632 | null     | null      | null    | unlabelled |         | 0     |
 | 519633 | null     | null      | null    | unlabelled |         | 0     |
 | 519634 | null     | null      | null    | unlabelled |         | 0     |
 | 519635 | null     | null      | null    | unlabelled |         | 0     |
 | 519636 | null     | null      | null    | unlabelled |         | 0     |
 | 601967 | null     | null      | null    | unlabelled |         | 0     |
 | 601968 | v1:6     | ethernet1 | 1236::3 | 858032     |         | 0     |
 | 601969 | v1:6     | ethernet1 | 1236::3 | 858033     |         | 0     |
 | 601970 | v1:6     | ethernet1 | 1236::3 | 858034     |         | 0     |
 | 601971 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 601972 | null     | null      | null    | unlabelled |         | 0     |
 | 601973 | null     | null      | null    | unlabelled |         | 0     |
 | 601974 | null     | null      | null    | unlabelled |         | 0     |
 | 601975 | null     | null      | null    | unlabelled |         | 0     |
 | 601976 | null     | null      | null    | unlabelled |         | 0     |
 | 630041 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 954866 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#