here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 19136   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 63284   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 107880  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 148557  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 380475  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 420012  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 739523  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 750830  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 785005  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 807784  | null     | null      | null    | unlabelled |         | 0     |
 | 807785  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 807786  | v1:6     | ethernet1 | 1234::2 | 210933     |         | 0     |
 | 807787  | v1:6     | ethernet1 | 1234::2 | 210934     |         | 0     |
 | 807788  | v1:6     | ethernet1 | 1234::2 | 210935     |         | 0     |
 | 807789  | null     | null      | null    | unlabelled |         | 0     |
 | 807790  | null     | null      | null    | unlabelled |         | 0     |
 | 807791  | null     | null      | null    | unlabelled |         | 0     |
 | 807792  | null     | null      | null    | unlabelled |         | 0     |
 | 807793  | null     | null      | null    | unlabelled |         | 0     |
 | 878925  | null     | null      | null    | unlabelled |         | 0     |
 | 878926  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 878927  | v1:4     | ethernet1 | 1.1.1.2 | 608126     |         | 0     |
 | 878928  | v1:4     | ethernet1 | 1.1.1.2 | 608127     |         | 0     |
 | 878929  | v1:4     | ethernet1 | 1.1.1.2 | 608128     |         | 0     |
 | 878930  | null     | null      | null    | unlabelled |         | 0     |
 | 878931  | null     | null      | null    | unlabelled |         | 0     |
 | 878932  | null     | null      | null    | unlabelled |         | 0     |
 | 878933  | null     | null      | null    | unlabelled |         | 0     |
 | 878934  | null     | null      | null    | unlabelled |         | 0     |
 | 1038941 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 22177  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 26128  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 198755 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 210931 | null     | null      | null    | unlabelled |         | 0     |
 | 210932 | v1:6     | ethernet1 | 1234::1 | 807785     |         | 1280  |
 | 210933 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 210934 | v1:6     | ethernet2 | 1235::3 | 576612     |         | 640   |
 | 210935 | v1:6     | ethernet2 | 1235::3 | 576613     |         | 640   |
 | 210936 | null     | null      | null    | unlabelled |         | 0     |
 | 210937 | null     | null      | null    | unlabelled |         | 0     |
 | 210938 | null     | null      | null    | unlabelled |         | 0     |
 | 210939 | null     | null      | null    | unlabelled |         | 0     |
 | 210940 | null     | null      | null    | unlabelled |         | 0     |
 | 234242 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 419628 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 441700 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 608124 | null     | null      | null    | unlabelled |         | 0     |
 | 608125 | v1:4     | ethernet1 | 1.1.1.1 | 878926     |         | 1280  |
 | 608126 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 608127 | v1:4     | ethernet2 | 1.1.2.3 | 385372     |         | 640   |
 | 608128 | v1:4     | ethernet2 | 1.1.2.3 | 385373     |         | 640   |
 | 608129 | null     | null      | null    | unlabelled |         | 0     |
 | 608130 | null     | null      | null    | unlabelled |         | 0     |
 | 608131 | null     | null      | null    | unlabelled |         | 0     |
 | 608132 | null     | null      | null    | unlabelled |         | 0     |
 | 608133 | null     | null      | null    | unlabelled |         | 0     |
 | 660760 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 676410 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 833407 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 850117 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 866768 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 894817 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 168912  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 185658  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 246252  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 385369  | null     | null      | null    | unlabelled |         | 0     |
 | 385370  | v1:4     | ethernet1 | 1.1.2.2 | 608125     |         | 640   |
 | 385371  | v1:4     | ethernet1 | 1.1.2.2 | 608126     |         | 640   |
 | 385372  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 385373  | v1:4     | ethernet2 | 1.1.3.4 | 727281     |         | 1280  |
 | 385374  | null     | null      | null    | unlabelled |         | 0     |
 | 385375  | null     | null      | null    | unlabelled |         | 0     |
 | 385376  | null     | null      | null    | unlabelled |         | 0     |
 | 385377  | null     | null      | null    | unlabelled |         | 0     |
 | 385378  | null     | null      | null    | unlabelled |         | 0     |
 | 396371  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 450059  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 576609  | null     | null      | null    | unlabelled |         | 0     |
 | 576610  | v1:6     | ethernet1 | 1235::2 | 210932     |         | 640   |
 | 576611  | v1:6     | ethernet1 | 1235::2 | 210933     |         | 640   |
 | 576612  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 576613  | v1:6     | ethernet2 | 1236::4 | 921444     |         | 1280  |
 | 576614  | null     | null      | null    | unlabelled |         | 0     |
 | 576615  | null     | null      | null    | unlabelled |         | 0     |
 | 576616  | null     | null      | null    | unlabelled |         | 0     |
 | 576617  | null     | null      | null    | unlabelled |         | 0     |
 | 576618  | null     | null      | null    | unlabelled |         | 0     |
 | 598401  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 608217  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 631943  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 734502  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 795593  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 994067  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 1014915 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 167832 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 266554 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 412188 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 517106 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 538327 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 637060 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 714503 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 727277 | null     | null      | null    | unlabelled |         | 0     |
 | 727278 | v1:4     | ethernet1 | 1.1.3.3 | 385370     |         | 0     |
 | 727279 | v1:4     | ethernet1 | 1.1.3.3 | 385371     |         | 0     |
 | 727280 | v1:4     | ethernet1 | 1.1.3.3 | 385372     |         | 0     |
 | 727281 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 727282 | null     | null      | null    | unlabelled |         | 0     |
 | 727283 | null     | null      | null    | unlabelled |         | 0     |
 | 727284 | null     | null      | null    | unlabelled |         | 0     |
 | 727285 | null     | null      | null    | unlabelled |         | 0     |
 | 727286 | null     | null      | null    | unlabelled |         | 0     |
 | 728682 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 766518 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 921440 | null     | null      | null    | unlabelled |         | 0     |
 | 921441 | v1:6     | ethernet1 | 1236::3 | 576610     |         | 0     |
 | 921442 | v1:6     | ethernet1 | 1236::3 | 576611     |         | 0     |
 | 921443 | v1:6     | ethernet1 | 1236::3 | 576612     |         | 0     |
 | 921444 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 921445 | null     | null      | null    | unlabelled |         | 0     |
 | 921446 | null     | null      | null    | unlabelled |         | 0     |
 | 921447 | null     | null      | null    | unlabelled |         | 0     |
 | 921448 | null     | null      | null    | unlabelled |         | 0     |
 | 921449 | null     | null      | null    | unlabelled |         | 0     |
 | 951669 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#