here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 109732 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 206243 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 399360 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 402173 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 497666 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 578133 | null     | null      | null    | unlabelled |         | 0     |
 | 578134 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 578135 | v1:6     | ethernet1 | 1234::2 | 456994     |         | 0     |
 | 578136 | v1:6     | ethernet1 | 1234::2 | 456995     |         | 0     |
 | 578137 | v1:6     | ethernet1 | 1234::2 | 456996     |         | 0     |
 | 578138 | null     | null      | null    | unlabelled |         | 0     |
 | 578139 | null     | null      | null    | unlabelled |         | 0     |
 | 578140 | null     | null      | null    | unlabelled |         | 0     |
 | 578141 | null     | null      | null    | unlabelled |         | 0     |
 | 578142 | null     | null      | null    | unlabelled |         | 0     |
 | 626877 | null     | null      | null    | unlabelled |         | 0     |
 | 626878 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 626879 | v1:4     | ethernet1 | 1.1.1.2 | 562534     |         | 0     |
 | 626880 | v1:4     | ethernet1 | 1.1.1.2 | 562535     |         | 0     |
 | 626881 | v1:4     | ethernet1 | 1.1.1.2 | 562536     |         | 0     |
 | 626882 | null     | null      | null    | unlabelled |         | 0     |
 | 626883 | null     | null      | null    | unlabelled |         | 0     |
 | 626884 | null     | null      | null    | unlabelled |         | 0     |
 | 626885 | null     | null      | null    | unlabelled |         | 0     |
 | 626886 | null     | null      | null    | unlabelled |         | 0     |
 | 691974 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 735030 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 807354 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 986729 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 994479 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 62290   | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 152487  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 331720  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 374763  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 456992  | null     | null      | null    | unlabelled |         | 0     |
 | 456993  | v1:6     | ethernet1 | 1234::1 | 578134     |         | 1280  |
 | 456994  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 456995  | v1:6     | ethernet2 | 1235::3 | 527290     |         | 640   |
 | 456996  | v1:6     | ethernet2 | 1235::3 | 527291     |         | 640   |
 | 456997  | null     | null      | null    | unlabelled |         | 0     |
 | 456998  | null     | null      | null    | unlabelled |         | 0     |
 | 456999  | null     | null      | null    | unlabelled |         | 0     |
 | 457000  | null     | null      | null    | unlabelled |         | 0     |
 | 457001  | null     | null      | null    | unlabelled |         | 0     |
 | 562532  | null     | null      | null    | unlabelled |         | 0     |
 | 562533  | v1:4     | ethernet1 | 1.1.1.1 | 626878     |         | 1280  |
 | 562534  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 562535  | v1:4     | ethernet2 | 1.1.2.3 | 22434      |         | 640   |
 | 562536  | v1:4     | ethernet2 | 1.1.2.3 | 22435      |         | 640   |
 | 562537  | null     | null      | null    | unlabelled |         | 0     |
 | 562538  | null     | null      | null    | unlabelled |         | 0     |
 | 562539  | null     | null      | null    | unlabelled |         | 0     |
 | 562540  | null     | null      | null    | unlabelled |         | 0     |
 | 562541  | null     | null      | null    | unlabelled |         | 0     |
 | 620680  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 621891  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 624140  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 730757  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 778677  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 788915  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 958929  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1028945 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 22431   | null     | null      | null    | unlabelled |         | 0     |
 | 22432   | v1:4     | ethernet1 | 1.1.2.2 | 562533     |         | 640   |
 | 22433   | v1:4     | ethernet1 | 1.1.2.2 | 562534     |         | 640   |
 | 22434   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 22435   | v1:4     | ethernet2 | 1.1.3.4 | 776734     |         | 1280  |
 | 22436   | null     | null      | null    | unlabelled |         | 0     |
 | 22437   | null     | null      | null    | unlabelled |         | 0     |
 | 22438   | null     | null      | null    | unlabelled |         | 0     |
 | 22439   | null     | null      | null    | unlabelled |         | 0     |
 | 22440   | null     | null      | null    | unlabelled |         | 0     |
 | 28113   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 93242   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 135651  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 192221  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 398926  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 513534  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 527287  | null     | null      | null    | unlabelled |         | 0     |
 | 527288  | v1:6     | ethernet1 | 1235::2 | 456993     |         | 640   |
 | 527289  | v1:6     | ethernet1 | 1235::2 | 456994     |         | 640   |
 | 527290  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 527291  | v1:6     | ethernet2 | 1236::4 | 619805     |         | 1280  |
 | 527292  | null     | null      | null    | unlabelled |         | 0     |
 | 527293  | null     | null      | null    | unlabelled |         | 0     |
 | 527294  | null     | null      | null    | unlabelled |         | 0     |
 | 527295  | null     | null      | null    | unlabelled |         | 0     |
 | 527296  | null     | null      | null    | unlabelled |         | 0     |
 | 593353  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 666539  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 685049  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 694199  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 747490  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1023876 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 101352 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 152799 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 350921 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 367733 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 515937 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 524871 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 558598 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 619801 | null     | null      | null    | unlabelled |         | 0     |
 | 619802 | v1:6     | ethernet1 | 1236::3 | 527288     |         | 0     |
 | 619803 | v1:6     | ethernet1 | 1236::3 | 527289     |         | 0     |
 | 619804 | v1:6     | ethernet1 | 1236::3 | 527290     |         | 0     |
 | 619805 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 619806 | null     | null      | null    | unlabelled |         | 0     |
 | 619807 | null     | null      | null    | unlabelled |         | 0     |
 | 619808 | null     | null      | null    | unlabelled |         | 0     |
 | 619809 | null     | null      | null    | unlabelled |         | 0     |
 | 619810 | null     | null      | null    | unlabelled |         | 0     |
 | 776730 | null     | null      | null    | unlabelled |         | 0     |
 | 776731 | v1:4     | ethernet1 | 1.1.3.3 | 22432      |         | 0     |
 | 776732 | v1:4     | ethernet1 | 1.1.3.3 | 22433      |         | 0     |
 | 776733 | v1:4     | ethernet1 | 1.1.3.3 | 22434      |         | 0     |
 | 776734 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 776735 | null     | null      | null    | unlabelled |         | 0     |
 | 776736 | null     | null      | null    | unlabelled |         | 0     |
 | 776737 | null     | null      | null    | unlabelled |         | 0     |
 | 776738 | null     | null      | null    | unlabelled |         | 0     |
 | 776739 | null     | null      | null    | unlabelled |         | 0     |
 | 810329 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 837213 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 999328 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#