here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 128227 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 278999 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 319165 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 671656 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 776609 | null     | null      | null    | unlabelled |         | 0     |
 | 776610 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 776611 | v1:6     | ethernet1 | 1234::2 | 627350     |         | 0     |
 | 776612 | v1:6     | ethernet1 | 1234::2 | 627351     |         | 0     |
 | 776613 | v1:6     | ethernet1 | 1234::2 | 627352     |         | 0     |
 | 776614 | null     | null      | null    | unlabelled |         | 0     |
 | 776615 | null     | null      | null    | unlabelled |         | 0     |
 | 776616 | null     | null      | null    | unlabelled |         | 0     |
 | 776617 | null     | null      | null    | unlabelled |         | 0     |
 | 776618 | null     | null      | null    | unlabelled |         | 0     |
 | 786623 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 927951 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 942283 | null     | null      | null    | unlabelled |         | 0     |
 | 942284 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 942285 | v1:4     | ethernet1 | 1.1.1.2 | 601619     |         | 0     |
 | 942286 | v1:4     | ethernet1 | 1.1.1.2 | 601620     |         | 0     |
 | 942287 | v1:4     | ethernet1 | 1.1.1.2 | 601621     |         | 0     |
 | 942288 | null     | null      | null    | unlabelled |         | 0     |
 | 942289 | null     | null      | null    | unlabelled |         | 0     |
 | 942290 | null     | null      | null    | unlabelled |         | 0     |
 | 942291 | null     | null      | null    | unlabelled |         | 0     |
 | 942292 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 230585 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 318519 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 330812 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 420930 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 435790 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 564771 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 601617 | null     | null      | null    | unlabelled |         | 0     |
 | 601618 | v1:4     | ethernet1 | 1.1.1.1 | 942284     |         | 1280  |
 | 601619 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 601620 | v1:4     | ethernet2 | 1.1.2.3 | 678814     |         | 640   |
 | 601621 | v1:4     | ethernet2 | 1.1.2.3 | 678815     |         | 640   |
 | 601622 | null     | null      | null    | unlabelled |         | 0     |
 | 601623 | null     | null      | null    | unlabelled |         | 0     |
 | 601624 | null     | null      | null    | unlabelled |         | 0     |
 | 601625 | null     | null      | null    | unlabelled |         | 0     |
 | 601626 | null     | null      | null    | unlabelled |         | 0     |
 | 627348 | null     | null      | null    | unlabelled |         | 0     |
 | 627349 | v1:6     | ethernet1 | 1234::1 | 776610     |         | 1280  |
 | 627350 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 627351 | v1:6     | ethernet2 | 1235::3 | 710756     |         | 640   |
 | 627352 | v1:6     | ethernet2 | 1235::3 | 710757     |         | 640   |
 | 627353 | null     | null      | null    | unlabelled |         | 0     |
 | 627354 | null     | null      | null    | unlabelled |         | 0     |
 | 627355 | null     | null      | null    | unlabelled |         | 0     |
 | 627356 | null     | null      | null    | unlabelled |         | 0     |
 | 627357 | null     | null      | null    | unlabelled |         | 0     |
 | 680509 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 693105 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 143281 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 364943 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 418728 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 544992 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 598724 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 678811 | null     | null      | null    | unlabelled |         | 0     |
 | 678812 | v1:4     | ethernet1 | 1.1.2.2 | 601618     |         | 640   |
 | 678813 | v1:4     | ethernet1 | 1.1.2.2 | 601619     |         | 640   |
 | 678814 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 678815 | v1:4     | ethernet2 | 1.1.3.4 | 153778     |         | 1280  |
 | 678816 | null     | null      | null    | unlabelled |         | 0     |
 | 678817 | null     | null      | null    | unlabelled |         | 0     |
 | 678818 | null     | null      | null    | unlabelled |         | 0     |
 | 678819 | null     | null      | null    | unlabelled |         | 0     |
 | 678820 | null     | null      | null    | unlabelled |         | 0     |
 | 710753 | null     | null      | null    | unlabelled |         | 0     |
 | 710754 | v1:6     | ethernet1 | 1235::2 | 627349     |         | 640   |
 | 710755 | v1:6     | ethernet1 | 1235::2 | 627350     |         | 640   |
 | 710756 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 710757 | v1:6     | ethernet2 | 1236::4 | 987871     |         | 1280  |
 | 710758 | null     | null      | null    | unlabelled |         | 0     |
 | 710759 | null     | null      | null    | unlabelled |         | 0     |
 | 710760 | null     | null      | null    | unlabelled |         | 0     |
 | 710761 | null     | null      | null    | unlabelled |         | 0     |
 | 710762 | null     | null      | null    | unlabelled |         | 0     |
 | 871863 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 953426 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 984778 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 153774 | null     | null      | null    | unlabelled |         | 0     |
 | 153775 | v1:4     | ethernet1 | 1.1.3.3 | 678812     |         | 0     |
 | 153776 | v1:4     | ethernet1 | 1.1.3.3 | 678813     |         | 0     |
 | 153777 | v1:4     | ethernet1 | 1.1.3.3 | 678814     |         | 0     |
 | 153778 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 153779 | null     | null      | null    | unlabelled |         | 0     |
 | 153780 | null     | null      | null    | unlabelled |         | 0     |
 | 153781 | null     | null      | null    | unlabelled |         | 0     |
 | 153782 | null     | null      | null    | unlabelled |         | 0     |
 | 153783 | null     | null      | null    | unlabelled |         | 0     |
 | 290066 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 299226 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 389639 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 728932 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 840947 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 958828 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 987867 | null     | null      | null    | unlabelled |         | 0     |
 | 987868 | v1:6     | ethernet1 | 1236::3 | 710754     |         | 0     |
 | 987869 | v1:6     | ethernet1 | 1236::3 | 710755     |         | 0     |
 | 987870 | v1:6     | ethernet1 | 1236::3 | 710756     |         | 0     |
 | 987871 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 987872 | null     | null      | null    | unlabelled |         | 0     |
 | 987873 | null     | null      | null    | unlabelled |         | 0     |
 | 987874 | null     | null      | null    | unlabelled |         | 0     |
 | 987875 | null     | null      | null    | unlabelled |         | 0     |
 | 987876 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#