here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 23506  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 199972 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 315897 | null     | null      | null    | unlabelled |         | 0     |
 | 315898 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 315899 | v1:4     | ethernet1 | 1.1.1.2 | 901540     |         | 0     |
 | 315900 | v1:4     | ethernet1 | 1.1.1.2 | 901541     |         | 0     |
 | 315901 | v1:4     | ethernet1 | 1.1.1.2 | 901542     |         | 0     |
 | 315902 | null     | null      | null    | unlabelled |         | 0     |
 | 315903 | null     | null      | null    | unlabelled |         | 0     |
 | 315904 | null     | null      | null    | unlabelled |         | 0     |
 | 315905 | null     | null      | null    | unlabelled |         | 0     |
 | 315906 | null     | null      | null    | unlabelled |         | 0     |
 | 585461 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 734310 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 782158 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 827369 | null     | null      | null    | unlabelled |         | 0     |
 | 827370 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 827371 | v1:6     | ethernet1 | 1234::2 | 705406     |         | 0     |
 | 827372 | v1:6     | ethernet1 | 1234::2 | 705407     |         | 0     |
 | 827373 | v1:6     | ethernet1 | 1234::2 | 705408     |         | 0     |
 | 827374 | null     | null      | null    | unlabelled |         | 0     |
 | 827375 | null     | null      | null    | unlabelled |         | 0     |
 | 827376 | null     | null      | null    | unlabelled |         | 0     |
 | 827377 | null     | null      | null    | unlabelled |         | 0     |
 | 827378 | null     | null      | null    | unlabelled |         | 0     |
 | 950008 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 90577  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 126028 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 204021 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 221929 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 400049 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 705404 | null     | null      | null    | unlabelled |         | 0     |
 | 705405 | v1:6     | ethernet1 | 1234::1 | 827370     |         | 1280  |
 | 705406 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 705407 | v1:6     | ethernet2 | 1235::3 | 73613      |         | 640   |
 | 705408 | v1:6     | ethernet2 | 1235::3 | 73614      |         | 640   |
 | 705409 | null     | null      | null    | unlabelled |         | 0     |
 | 705410 | null     | null      | null    | unlabelled |         | 0     |
 | 705411 | null     | null      | null    | unlabelled |         | 0     |
 | 705412 | null     | null      | null    | unlabelled |         | 0     |
 | 705413 | null     | null      | null    | unlabelled |         | 0     |
 | 798992 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 837992 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 901538 | null     | null      | null    | unlabelled |         | 0     |
 | 901539 | v1:4     | ethernet1 | 1.1.1.1 | 315898     |         | 1280  |
 | 901540 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 901541 | v1:4     | ethernet2 | 1.1.2.3 | 974105     |         | 640   |
 | 901542 | v1:4     | ethernet2 | 1.1.2.3 | 974106     |         | 640   |
 | 901543 | null     | null      | null    | unlabelled |         | 0     |
 | 901544 | null     | null      | null    | unlabelled |         | 0     |
 | 901545 | null     | null      | null    | unlabelled |         | 0     |
 | 901546 | null     | null      | null    | unlabelled |         | 0     |
 | 901547 | null     | null      | null    | unlabelled |         | 0     |
 | 960546 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 73610  | null     | null      | null    | unlabelled |         | 0     |
 | 73611  | v1:6     | ethernet1 | 1235::2 | 705405     |         | 640   |
 | 73612  | v1:6     | ethernet1 | 1235::2 | 705406     |         | 640   |
 | 73613  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 73614  | v1:6     | ethernet2 | 1236::4 | 194992     |         | 1280  |
 | 73615  | null     | null      | null    | unlabelled |         | 0     |
 | 73616  | null     | null      | null    | unlabelled |         | 0     |
 | 73617  | null     | null      | null    | unlabelled |         | 0     |
 | 73618  | null     | null      | null    | unlabelled |         | 0     |
 | 73619  | null     | null      | null    | unlabelled |         | 0     |
 | 308486 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 309499 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 488140 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 564128 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 589341 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 628601 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 919253 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 974102 | null     | null      | null    | unlabelled |         | 0     |
 | 974103 | v1:4     | ethernet1 | 1.1.2.2 | 901539     |         | 640   |
 | 974104 | v1:4     | ethernet1 | 1.1.2.2 | 901540     |         | 640   |
 | 974105 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 974106 | v1:4     | ethernet2 | 1.1.3.4 | 732295     |         | 1280  |
 | 974107 | null     | null      | null    | unlabelled |         | 0     |
 | 974108 | null     | null      | null    | unlabelled |         | 0     |
 | 974109 | null     | null      | null    | unlabelled |         | 0     |
 | 974110 | null     | null      | null    | unlabelled |         | 0     |
 | 974111 | null     | null      | null    | unlabelled |         | 0     |
 | 994822 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 175890 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 194988 | null     | null      | null    | unlabelled |         | 0     |
 | 194989 | v1:6     | ethernet1 | 1236::3 | 73611      |         | 0     |
 | 194990 | v1:6     | ethernet1 | 1236::3 | 73612      |         | 0     |
 | 194991 | v1:6     | ethernet1 | 1236::3 | 73613      |         | 0     |
 | 194992 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 194993 | null     | null      | null    | unlabelled |         | 0     |
 | 194994 | null     | null      | null    | unlabelled |         | 0     |
 | 194995 | null     | null      | null    | unlabelled |         | 0     |
 | 194996 | null     | null      | null    | unlabelled |         | 0     |
 | 194997 | null     | null      | null    | unlabelled |         | 0     |
 | 371503 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 446188 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 563317 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 588340 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 732291 | null     | null      | null    | unlabelled |         | 0     |
 | 732292 | v1:4     | ethernet1 | 1.1.3.3 | 974103     |         | 0     |
 | 732293 | v1:4     | ethernet1 | 1.1.3.3 | 974104     |         | 0     |
 | 732294 | v1:4     | ethernet1 | 1.1.3.3 | 974105     |         | 0     |
 | 732295 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 732296 | null     | null      | null    | unlabelled |         | 0     |
 | 732297 | null     | null      | null    | unlabelled |         | 0     |
 | 732298 | null     | null      | null    | unlabelled |         | 0     |
 | 732299 | null     | null      | null    | unlabelled |         | 0     |
 | 732300 | null     | null      | null    | unlabelled |         | 0     |
 | 929161 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#