here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 65894  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 103532 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 130014 | null     | null      | null    | unlabelled |         | 0     |
 | 130015 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 130016 | v1:6     | ethernet1 | 1234::2 | 819242     |         | 0     |
 | 130017 | v1:6     | ethernet1 | 1234::2 | 819243     |         | 0     |
 | 130018 | v1:6     | ethernet1 | 1234::2 | 819244     |         | 0     |
 | 130019 | null     | null      | null    | unlabelled |         | 0     |
 | 130020 | null     | null      | null    | unlabelled |         | 0     |
 | 130021 | null     | null      | null    | unlabelled |         | 0     |
 | 130022 | null     | null      | null    | unlabelled |         | 0     |
 | 130023 | null     | null      | null    | unlabelled |         | 0     |
 | 130720 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 184351 | null     | null      | null    | unlabelled |         | 0     |
 | 184352 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 184353 | v1:4     | ethernet1 | 1.1.1.2 | 391663     |         | 0     |
 | 184354 | v1:4     | ethernet1 | 1.1.1.2 | 391664     |         | 0     |
 | 184355 | v1:4     | ethernet1 | 1.1.1.2 | 391665     |         | 0     |
 | 184356 | null     | null      | null    | unlabelled |         | 0     |
 | 184357 | null     | null      | null    | unlabelled |         | 0     |
 | 184358 | null     | null      | null    | unlabelled |         | 0     |
 | 184359 | null     | null      | null    | unlabelled |         | 0     |
 | 184360 | null     | null      | null    | unlabelled |         | 0     |
 | 803374 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 950470 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 965856 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 115181 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 174824 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 345192 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 388364 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 391661 | null     | null      | null    | unlabelled |         | 0     |
 | 391662 | v1:4     | ethernet1 | 1.1.1.1 | 184352     |         | 1280  |
 | 391663 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 391664 | v1:4     | ethernet2 | 1.1.2.3 | 748992     |         | 640   |
 | 391665 | v1:4     | ethernet2 | 1.1.2.3 | 748993     |         | 640   |
 | 391666 | null     | null      | null    | unlabelled |         | 0     |
 | 391667 | null     | null      | null    | unlabelled |         | 0     |
 | 391668 | null     | null      | null    | unlabelled |         | 0     |
 | 391669 | null     | null      | null    | unlabelled |         | 0     |
 | 391670 | null     | null      | null    | unlabelled |         | 0     |
 | 428813 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 547979 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 583749 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 819240 | null     | null      | null    | unlabelled |         | 0     |
 | 819241 | v1:6     | ethernet1 | 1234::1 | 130015     |         | 1280  |
 | 819242 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 819243 | v1:6     | ethernet2 | 1235::3 | 551782     |         | 640   |
 | 819244 | v1:6     | ethernet2 | 1235::3 | 551783     |         | 640   |
 | 819245 | null     | null      | null    | unlabelled |         | 0     |
 | 819246 | null     | null      | null    | unlabelled |         | 0     |
 | 819247 | null     | null      | null    | unlabelled |         | 0     |
 | 819248 | null     | null      | null    | unlabelled |         | 0     |
 | 819249 | null     | null      | null    | unlabelled |         | 0     |
 | 927860 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 111278 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 201742 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 369261 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 503114 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 551779 | null     | null      | null    | unlabelled |         | 0     |
 | 551780 | v1:6     | ethernet1 | 1235::2 | 819241     |         | 640   |
 | 551781 | v1:6     | ethernet1 | 1235::2 | 819242     |         | 640   |
 | 551782 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 551783 | v1:6     | ethernet2 | 1236::4 | 211181     |         | 1280  |
 | 551784 | null     | null      | null    | unlabelled |         | 0     |
 | 551785 | null     | null      | null    | unlabelled |         | 0     |
 | 551786 | null     | null      | null    | unlabelled |         | 0     |
 | 551787 | null     | null      | null    | unlabelled |         | 0     |
 | 551788 | null     | null      | null    | unlabelled |         | 0     |
 | 716582 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 748989 | null     | null      | null    | unlabelled |         | 0     |
 | 748990 | v1:4     | ethernet1 | 1.1.2.2 | 391662     |         | 640   |
 | 748991 | v1:4     | ethernet1 | 1.1.2.2 | 391663     |         | 640   |
 | 748992 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 748993 | v1:4     | ethernet2 | 1.1.3.4 | 312595     |         | 1280  |
 | 748994 | null     | null      | null    | unlabelled |         | 0     |
 | 748995 | null     | null      | null    | unlabelled |         | 0     |
 | 748996 | null     | null      | null    | unlabelled |         | 0     |
 | 748997 | null     | null      | null    | unlabelled |         | 0     |
 | 748998 | null     | null      | null    | unlabelled |         | 0     |
 | 894967 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 916236 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 938776 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 55907   | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 211177  | null     | null      | null    | unlabelled |         | 0     |
 | 211178  | v1:6     | ethernet1 | 1236::3 | 551780     |         | 0     |
 | 211179  | v1:6     | ethernet1 | 1236::3 | 551781     |         | 0     |
 | 211180  | v1:6     | ethernet1 | 1236::3 | 551782     |         | 0     |
 | 211181  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 211182  | null     | null      | null    | unlabelled |         | 0     |
 | 211183  | null     | null      | null    | unlabelled |         | 0     |
 | 211184  | null     | null      | null    | unlabelled |         | 0     |
 | 211185  | null     | null      | null    | unlabelled |         | 0     |
 | 211186  | null     | null      | null    | unlabelled |         | 0     |
 | 312591  | null     | null      | null    | unlabelled |         | 0     |
 | 312592  | v1:4     | ethernet1 | 1.1.3.3 | 748990     |         | 0     |
 | 312593  | v1:4     | ethernet1 | 1.1.3.3 | 748991     |         | 0     |
 | 312594  | v1:4     | ethernet1 | 1.1.3.3 | 748992     |         | 0     |
 | 312595  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 312596  | null     | null      | null    | unlabelled |         | 0     |
 | 312597  | null     | null      | null    | unlabelled |         | 0     |
 | 312598  | null     | null      | null    | unlabelled |         | 0     |
 | 312599  | null     | null      | null    | unlabelled |         | 0     |
 | 312600  | null     | null      | null    | unlabelled |         | 0     |
 | 465639  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 588007  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 606979  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 925498  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1020453 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#