here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 165638  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 184229  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 277949  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 311198  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 343838  | null     | null      | null    | unlabelled |         | 0     |
 | 343839  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 343840  | v1:4     | ethernet1 | 1.1.1.2 | 54556      |         | 0     |
 | 343841  | v1:4     | ethernet1 | 1.1.1.2 | 54557      |         | 0     |
 | 343842  | v1:4     | ethernet1 | 1.1.1.2 | 54558      |         | 0     |
 | 343843  | null     | null      | null    | unlabelled |         | 0     |
 | 343844  | null     | null      | null    | unlabelled |         | 0     |
 | 343845  | null     | null      | null    | unlabelled |         | 0     |
 | 343846  | null     | null      | null    | unlabelled |         | 0     |
 | 343847  | null     | null      | null    | unlabelled |         | 0     |
 | 667159  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 771908  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 819160  | null     | null      | null    | unlabelled |         | 0     |
 | 819161  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 819162  | v1:6     | ethernet1 | 1234::2 | 572189     |         | 0     |
 | 819163  | v1:6     | ethernet1 | 1234::2 | 572190     |         | 0     |
 | 819164  | v1:6     | ethernet1 | 1234::2 | 572191     |         | 0     |
 | 819165  | null     | null      | null    | unlabelled |         | 0     |
 | 819166  | null     | null      | null    | unlabelled |         | 0     |
 | 819167  | null     | null      | null    | unlabelled |         | 0     |
 | 819168  | null     | null      | null    | unlabelled |         | 0     |
 | 819169  | null     | null      | null    | unlabelled |         | 0     |
 | 843679  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 919600  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1002075 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1022126 | tester:4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 19091  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 54554  | null     | null      | null    | unlabelled |         | 0     |
 | 54555  | v1:4     | ethernet1 | 1.1.1.1 | 343839     |         | 1280  |
 | 54556  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 54557  | v1:4     | ethernet2 | 1.1.2.3 | 902691     |         | 640   |
 | 54558  | v1:4     | ethernet2 | 1.1.2.3 | 902692     |         | 640   |
 | 54559  | null     | null      | null    | unlabelled |         | 0     |
 | 54560  | null     | null      | null    | unlabelled |         | 0     |
 | 54561  | null     | null      | null    | unlabelled |         | 0     |
 | 54562  | null     | null      | null    | unlabelled |         | 0     |
 | 54563  | null     | null      | null    | unlabelled |         | 0     |
 | 162749 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 273056 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 339127 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 470855 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 493496 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 500049 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 549241 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 572187 | null     | null      | null    | unlabelled |         | 0     |
 | 572188 | v1:6     | ethernet1 | 1234::1 | 819161     |         | 1280  |
 | 572189 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 572190 | v1:6     | ethernet2 | 1235::3 | 456822     |         | 640   |
 | 572191 | v1:6     | ethernet2 | 1235::3 | 456823     |         | 640   |
 | 572192 | null     | null      | null    | unlabelled |         | 0     |
 | 572193 | null     | null      | null    | unlabelled |         | 0     |
 | 572194 | null     | null      | null    | unlabelled |         | 0     |
 | 572195 | null     | null      | null    | unlabelled |         | 0     |
 | 572196 | null     | null      | null    | unlabelled |         | 0     |
 | 654293 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 852335 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 891309 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 994175 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 56925  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 110003 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 212406 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 238833 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 251994 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 375640 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 427108 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 456819 | null     | null      | null    | unlabelled |         | 0     |
 | 456820 | v1:6     | ethernet1 | 1235::2 | 572188     |         | 640   |
 | 456821 | v1:6     | ethernet1 | 1235::2 | 572189     |         | 640   |
 | 456822 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 456823 | v1:6     | ethernet2 | 1236::4 | 91888      |         | 1280  |
 | 456824 | null     | null      | null    | unlabelled |         | 0     |
 | 456825 | null     | null      | null    | unlabelled |         | 0     |
 | 456826 | null     | null      | null    | unlabelled |         | 0     |
 | 456827 | null     | null      | null    | unlabelled |         | 0     |
 | 456828 | null     | null      | null    | unlabelled |         | 0     |
 | 520578 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 570054 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 642933 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 696129 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 893041 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 902688 | null     | null      | null    | unlabelled |         | 0     |
 | 902689 | v1:4     | ethernet1 | 1.1.2.2 | 54555      |         | 640   |
 | 902690 | v1:4     | ethernet1 | 1.1.2.2 | 54556      |         | 640   |
 | 902691 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 902692 | v1:4     | ethernet2 | 1.1.3.4 | 317417     |         | 1280  |
 | 902693 | null     | null      | null    | unlabelled |         | 0     |
 | 902694 | null     | null      | null    | unlabelled |         | 0     |
 | 902695 | null     | null      | null    | unlabelled |         | 0     |
 | 902696 | null     | null      | null    | unlabelled |         | 0     |
 | 902697 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 13026  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 91884  | null     | null      | null    | unlabelled |         | 0     |
 | 91885  | v1:6     | ethernet1 | 1236::3 | 456820     |         | 0     |
 | 91886  | v1:6     | ethernet1 | 1236::3 | 456821     |         | 0     |
 | 91887  | v1:6     | ethernet1 | 1236::3 | 456822     |         | 0     |
 | 91888  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 91889  | null     | null      | null    | unlabelled |         | 0     |
 | 91890  | null     | null      | null    | unlabelled |         | 0     |
 | 91891  | null     | null      | null    | unlabelled |         | 0     |
 | 91892  | null     | null      | null    | unlabelled |         | 0     |
 | 91893  | null     | null      | null    | unlabelled |         | 0     |
 | 95879  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 133752 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 171793 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 290465 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 317413 | null     | null      | null    | unlabelled |         | 0     |
 | 317414 | v1:4     | ethernet1 | 1.1.3.3 | 902689     |         | 0     |
 | 317415 | v1:4     | ethernet1 | 1.1.3.3 | 902690     |         | 0     |
 | 317416 | v1:4     | ethernet1 | 1.1.3.3 | 902691     |         | 0     |
 | 317417 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 317418 | null     | null      | null    | unlabelled |         | 0     |
 | 317419 | null     | null      | null    | unlabelled |         | 0     |
 | 317420 | null     | null      | null    | unlabelled |         | 0     |
 | 317421 | null     | null      | null    | unlabelled |         | 0     |
 | 317422 | null     | null      | null    | unlabelled |         | 0     |
 | 378551 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 529049 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 780129 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 855633 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 856736 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#