here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 73476  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 99455  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 135638 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 164498 | null     | null      | null    | unlabelled |         | 0     |
 | 164499 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 164500 | v1:6     | ethernet1 | 1234::2 | 646490     |         | 0     |
 | 164501 | v1:6     | ethernet1 | 1234::2 | 646491     |         | 0     |
 | 164502 | v1:6     | ethernet1 | 1234::2 | 646492     |         | 0     |
 | 164503 | null     | null      | null    | unlabelled |         | 0     |
 | 164504 | null     | null      | null    | unlabelled |         | 0     |
 | 164505 | null     | null      | null    | unlabelled |         | 0     |
 | 164506 | null     | null      | null    | unlabelled |         | 0     |
 | 164507 | null     | null      | null    | unlabelled |         | 0     |
 | 223690 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 375220 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 387644 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 388316 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 464431 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 581731 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 666080 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 737718 | null     | null      | null    | unlabelled |         | 0     |
 | 737719 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 737720 | v1:4     | ethernet1 | 1.1.1.2 | 159552     |         | 0     |
 | 737721 | v1:4     | ethernet1 | 1.1.1.2 | 159553     |         | 0     |
 | 737722 | v1:4     | ethernet1 | 1.1.1.2 | 159554     |         | 0     |
 | 737723 | null     | null      | null    | unlabelled |         | 0     |
 | 737724 | null     | null      | null    | unlabelled |         | 0     |
 | 737725 | null     | null      | null    | unlabelled |         | 0     |
 | 737726 | null     | null      | null    | unlabelled |         | 0     |
 | 737727 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 36127   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 151062  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 159550  | null     | null      | null    | unlabelled |         | 0     |
 | 159551  | v1:4     | ethernet1 | 1.1.1.1 | 737719     |         | 1280  |
 | 159552  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 159553  | v1:4     | ethernet2 | 1.1.2.3 | 920418     |         | 640   |
 | 159554  | v1:4     | ethernet2 | 1.1.2.3 | 920419     |         | 640   |
 | 159555  | null     | null      | null    | unlabelled |         | 0     |
 | 159556  | null     | null      | null    | unlabelled |         | 0     |
 | 159557  | null     | null      | null    | unlabelled |         | 0     |
 | 159558  | null     | null      | null    | unlabelled |         | 0     |
 | 159559  | null     | null      | null    | unlabelled |         | 0     |
 | 279529  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 308446  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 377895  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 450426  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 646488  | null     | null      | null    | unlabelled |         | 0     |
 | 646489  | v1:6     | ethernet1 | 1234::1 | 164499     |         | 1280  |
 | 646490  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 646491  | v1:6     | ethernet2 | 1235::3 | 800014     |         | 640   |
 | 646492  | v1:6     | ethernet2 | 1235::3 | 800015     |         | 640   |
 | 646493  | null     | null      | null    | unlabelled |         | 0     |
 | 646494  | null     | null      | null    | unlabelled |         | 0     |
 | 646495  | null     | null      | null    | unlabelled |         | 0     |
 | 646496  | null     | null      | null    | unlabelled |         | 0     |
 | 646497  | null     | null      | null    | unlabelled |         | 0     |
 | 756615  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 778058  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 800592  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 832222  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 893014  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 1024823 | v1:4     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 141945  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 148034  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 163976  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 183431  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 214584  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 237399  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 260954  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 499107  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 800011  | null     | null      | null    | unlabelled |         | 0     |
 | 800012  | v1:6     | ethernet1 | 1235::2 | 646489     |         | 640   |
 | 800013  | v1:6     | ethernet1 | 1235::2 | 646490     |         | 640   |
 | 800014  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 800015  | v1:6     | ethernet2 | 1236::4 | 222818     |         | 1280  |
 | 800016  | null     | null      | null    | unlabelled |         | 0     |
 | 800017  | null     | null      | null    | unlabelled |         | 0     |
 | 800018  | null     | null      | null    | unlabelled |         | 0     |
 | 800019  | null     | null      | null    | unlabelled |         | 0     |
 | 800020  | null     | null      | null    | unlabelled |         | 0     |
 | 874592  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 902189  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 920415  | null     | null      | null    | unlabelled |         | 0     |
 | 920416  | v1:4     | ethernet1 | 1.1.2.2 | 159551     |         | 640   |
 | 920417  | v1:4     | ethernet1 | 1.1.2.2 | 159552     |         | 640   |
 | 920418  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 920419  | v1:4     | ethernet2 | 1.1.3.4 | 888657     |         | 1280  |
 | 920420  | null     | null      | null    | unlabelled |         | 0     |
 | 920421  | null     | null      | null    | unlabelled |         | 0     |
 | 920422  | null     | null      | null    | unlabelled |         | 0     |
 | 920423  | null     | null      | null    | unlabelled |         | 0     |
 | 920424  | null     | null      | null    | unlabelled |         | 0     |
 | 975397  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1020568 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 78825  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 82627  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 139946 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 215078 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 222814 | null     | null      | null    | unlabelled |         | 0     |
 | 222815 | v1:6     | ethernet1 | 1236::3 | 800012     |         | 0     |
 | 222816 | v1:6     | ethernet1 | 1236::3 | 800013     |         | 0     |
 | 222817 | v1:6     | ethernet1 | 1236::3 | 800014     |         | 0     |
 | 222818 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 222819 | null     | null      | null    | unlabelled |         | 0     |
 | 222820 | null     | null      | null    | unlabelled |         | 0     |
 | 222821 | null     | null      | null    | unlabelled |         | 0     |
 | 222822 | null     | null      | null    | unlabelled |         | 0     |
 | 222823 | null     | null      | null    | unlabelled |         | 0     |
 | 304907 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 446591 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 463729 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 503329 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 720821 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 888653 | null     | null      | null    | unlabelled |         | 0     |
 | 888654 | v1:4     | ethernet1 | 1.1.3.3 | 920416     |         | 0     |
 | 888655 | v1:4     | ethernet1 | 1.1.3.3 | 920417     |         | 0     |
 | 888656 | v1:4     | ethernet1 | 1.1.3.3 | 920418     |         | 0     |
 | 888657 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 888658 | null     | null      | null    | unlabelled |         | 0     |
 | 888659 | null     | null      | null    | unlabelled |         | 0     |
 | 888660 | null     | null      | null    | unlabelled |         | 0     |
 | 888661 | null     | null      | null    | unlabelled |         | 0     |
 | 888662 | null     | null      | null    | unlabelled |         | 0     |
 | 943378 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#