here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 60926   | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 104971  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 160119  | null     | null      | null    | unlabelled |         | 0     |
 | 160120  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 160121  | v1:6     | ethernet1 | 1234::2 | 965221     |         | 0     |
 | 160122  | v1:6     | ethernet1 | 1234::2 | 965222     |         | 0     |
 | 160123  | v1:6     | ethernet1 | 1234::2 | 965223     |         | 0     |
 | 160124  | null     | null      | null    | unlabelled |         | 0     |
 | 160125  | null     | null      | null    | unlabelled |         | 0     |
 | 160126  | null     | null      | null    | unlabelled |         | 0     |
 | 160127  | null     | null      | null    | unlabelled |         | 0     |
 | 160128  | null     | null      | null    | unlabelled |         | 0     |
 | 539604  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 756601  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 979231  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 996836  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1034717 | null     | null      | null    | unlabelled |         | 0     |
 | 1034718 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1034719 | v1:4     | ethernet1 | 1.1.1.2 | 161482     |         | 0     |
 | 1034720 | v1:4     | ethernet1 | 1.1.1.2 | 161483     |         | 0     |
 | 1034721 | v1:4     | ethernet1 | 1.1.1.2 | 161484     |         | 0     |
 | 1034722 | null     | null      | null    | unlabelled |         | 0     |
 | 1034723 | null     | null      | null    | unlabelled |         | 0     |
 | 1034724 | null     | null      | null    | unlabelled |         | 0     |
 | 1034725 | null     | null      | null    | unlabelled |         | 0     |
 | 1034726 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 34058  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 46245  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 161480 | null     | null      | null    | unlabelled |         | 0     |
 | 161481 | v1:4     | ethernet1 | 1.1.1.1 | 1034718    |         | 1280  |
 | 161482 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 161483 | v1:4     | ethernet2 | 1.1.2.3 | 496725     |         | 640   |
 | 161484 | v1:4     | ethernet2 | 1.1.2.3 | 496726     |         | 640   |
 | 161485 | null     | null      | null    | unlabelled |         | 0     |
 | 161486 | null     | null      | null    | unlabelled |         | 0     |
 | 161487 | null     | null      | null    | unlabelled |         | 0     |
 | 161488 | null     | null      | null    | unlabelled |         | 0     |
 | 161489 | null     | null      | null    | unlabelled |         | 0     |
 | 401146 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 549271 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 589121 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 832421 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 908018 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 908594 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 965219 | null     | null      | null    | unlabelled |         | 0     |
 | 965220 | v1:6     | ethernet1 | 1234::1 | 160120     |         | 1280  |
 | 965221 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 965222 | v1:6     | ethernet2 | 1235::3 | 718345     |         | 640   |
 | 965223 | v1:6     | ethernet2 | 1235::3 | 718346     |         | 640   |
 | 965224 | null     | null      | null    | unlabelled |         | 0     |
 | 965225 | null     | null      | null    | unlabelled |         | 0     |
 | 965226 | null     | null      | null    | unlabelled |         | 0     |
 | 965227 | null     | null      | null    | unlabelled |         | 0     |
 | 965228 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 9111   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 135547 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 141912 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 354874 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 472797 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 496722 | null     | null      | null    | unlabelled |         | 0     |
 | 496723 | v1:4     | ethernet1 | 1.1.2.2 | 161481     |         | 640   |
 | 496724 | v1:4     | ethernet1 | 1.1.2.2 | 161482     |         | 640   |
 | 496725 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 496726 | v1:4     | ethernet2 | 1.1.3.4 | 232342     |         | 1280  |
 | 496727 | null     | null      | null    | unlabelled |         | 0     |
 | 496728 | null     | null      | null    | unlabelled |         | 0     |
 | 496729 | null     | null      | null    | unlabelled |         | 0     |
 | 496730 | null     | null      | null    | unlabelled |         | 0     |
 | 496731 | null     | null      | null    | unlabelled |         | 0     |
 | 718342 | null     | null      | null    | unlabelled |         | 0     |
 | 718343 | v1:6     | ethernet1 | 1235::2 | 965220     |         | 640   |
 | 718344 | v1:6     | ethernet1 | 1235::2 | 965221     |         | 640   |
 | 718345 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 718346 | v1:6     | ethernet2 | 1236::4 | 644332     |         | 1280  |
 | 718347 | null     | null      | null    | unlabelled |         | 0     |
 | 718348 | null     | null      | null    | unlabelled |         | 0     |
 | 718349 | null     | null      | null    | unlabelled |         | 0     |
 | 718350 | null     | null      | null    | unlabelled |         | 0     |
 | 718351 | null     | null      | null    | unlabelled |         | 0     |
 | 746683 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 914567 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 947116 | v1:4     | ethernet1 | 1.1.2.2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 35685  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 36901  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 82422  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 191537 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 232338 | null     | null      | null    | unlabelled |         | 0     |
 | 232339 | v1:4     | ethernet1 | 1.1.3.3 | 496723     |         | 0     |
 | 232340 | v1:4     | ethernet1 | 1.1.3.3 | 496724     |         | 0     |
 | 232341 | v1:4     | ethernet1 | 1.1.3.3 | 496725     |         | 0     |
 | 232342 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 232343 | null     | null      | null    | unlabelled |         | 0     |
 | 232344 | null     | null      | null    | unlabelled |         | 0     |
 | 232345 | null     | null      | null    | unlabelled |         | 0     |
 | 232346 | null     | null      | null    | unlabelled |         | 0     |
 | 232347 | null     | null      | null    | unlabelled |         | 0     |
 | 644328 | null     | null      | null    | unlabelled |         | 0     |
 | 644329 | v1:6     | ethernet1 | 1236::3 | 718343     |         | 0     |
 | 644330 | v1:6     | ethernet1 | 1236::3 | 718344     |         | 0     |
 | 644331 | v1:6     | ethernet1 | 1236::3 | 718345     |         | 0     |
 | 644332 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 644333 | null     | null      | null    | unlabelled |         | 0     |
 | 644334 | null     | null      | null    | unlabelled |         | 0     |
 | 644335 | null     | null      | null    | unlabelled |         | 0     |
 | 644336 | null     | null      | null    | unlabelled |         | 0     |
 | 644337 | null     | null      | null    | unlabelled |         | 0     |
 | 741999 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 997471 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#