here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 200586 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 266290 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 268905 | null     | null      | null    | unlabelled |         | 0     |
 | 268906 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 268907 | v1:4     | ethernet1 | 1.1.1.2 | 406099     |         | 0     |
 | 268908 | v1:4     | ethernet1 | 1.1.1.2 | 406100     |         | 0     |
 | 268909 | v1:4     | ethernet1 | 1.1.1.2 | 406101     |         | 0     |
 | 268910 | null     | null      | null    | unlabelled |         | 0     |
 | 268911 | null     | null      | null    | unlabelled |         | 0     |
 | 268912 | null     | null      | null    | unlabelled |         | 0     |
 | 268913 | null     | null      | null    | unlabelled |         | 0     |
 | 268914 | null     | null      | null    | unlabelled |         | 0     |
 | 298495 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 317176 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 324064 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 347491 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 473761 | null     | null      | null    | unlabelled |         | 0     |
 | 473762 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 473763 | v1:6     | ethernet1 | 1234::2 | 749890     |         | 0     |
 | 473764 | v1:6     | ethernet1 | 1234::2 | 749891     |         | 0     |
 | 473765 | v1:6     | ethernet1 | 1234::2 | 749892     |         | 0     |
 | 473766 | null     | null      | null    | unlabelled |         | 0     |
 | 473767 | null     | null      | null    | unlabelled |         | 0     |
 | 473768 | null     | null      | null    | unlabelled |         | 0     |
 | 473769 | null     | null      | null    | unlabelled |         | 0     |
 | 473770 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 7134   | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 342413 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 348812 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 386152 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 406097 | null     | null      | null    | unlabelled |         | 0     |
 | 406098 | v1:4     | ethernet1 | 1.1.1.1 | 268906     |         | 1280  |
 | 406099 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 406100 | v1:4     | ethernet2 | 1.1.2.3 | 395885     |         | 640   |
 | 406101 | v1:4     | ethernet2 | 1.1.2.3 | 395886     |         | 640   |
 | 406102 | null     | null      | null    | unlabelled |         | 0     |
 | 406103 | null     | null      | null    | unlabelled |         | 0     |
 | 406104 | null     | null      | null    | unlabelled |         | 0     |
 | 406105 | null     | null      | null    | unlabelled |         | 0     |
 | 406106 | null     | null      | null    | unlabelled |         | 0     |
 | 682187 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 713045 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 729887 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 749888 | null     | null      | null    | unlabelled |         | 0     |
 | 749889 | v1:6     | ethernet1 | 1234::1 | 473762     |         | 1280  |
 | 749890 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 749891 | v1:6     | ethernet2 | 1235::3 | 232598     |         | 640   |
 | 749892 | v1:6     | ethernet2 | 1235::3 | 232599     |         | 640   |
 | 749893 | null     | null      | null    | unlabelled |         | 0     |
 | 749894 | null     | null      | null    | unlabelled |         | 0     |
 | 749895 | null     | null      | null    | unlabelled |         | 0     |
 | 749896 | null     | null      | null    | unlabelled |         | 0     |
 | 749897 | null     | null      | null    | unlabelled |         | 0     |
 | 866285 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 31386  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 59501  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 83342  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 189537 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 194389 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 232595 | null     | null      | null    | unlabelled |         | 0     |
 | 232596 | v1:6     | ethernet1 | 1235::2 | 749889     |         | 640   |
 | 232597 | v1:6     | ethernet1 | 1235::2 | 749890     |         | 640   |
 | 232598 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 232599 | v1:6     | ethernet2 | 1236::4 | 987034     |         | 1280  |
 | 232600 | null     | null      | null    | unlabelled |         | 0     |
 | 232601 | null     | null      | null    | unlabelled |         | 0     |
 | 232602 | null     | null      | null    | unlabelled |         | 0     |
 | 232603 | null     | null      | null    | unlabelled |         | 0     |
 | 232604 | null     | null      | null    | unlabelled |         | 0     |
 | 296931 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 395882 | null     | null      | null    | unlabelled |         | 0     |
 | 395883 | v1:4     | ethernet1 | 1.1.2.2 | 406098     |         | 640   |
 | 395884 | v1:4     | ethernet1 | 1.1.2.2 | 406099     |         | 640   |
 | 395885 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 395886 | v1:4     | ethernet2 | 1.1.3.4 | 54720      |         | 1280  |
 | 395887 | null     | null      | null    | unlabelled |         | 0     |
 | 395888 | null     | null      | null    | unlabelled |         | 0     |
 | 395889 | null     | null      | null    | unlabelled |         | 0     |
 | 395890 | null     | null      | null    | unlabelled |         | 0     |
 | 395891 | null     | null      | null    | unlabelled |         | 0     |
 | 576637 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 681047 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 42875  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 54716  | null     | null      | null    | unlabelled |         | 0     |
 | 54717  | v1:4     | ethernet1 | 1.1.3.3 | 395883     |         | 0     |
 | 54718  | v1:4     | ethernet1 | 1.1.3.3 | 395884     |         | 0     |
 | 54719  | v1:4     | ethernet1 | 1.1.3.3 | 395885     |         | 0     |
 | 54720  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 54721  | null     | null      | null    | unlabelled |         | 0     |
 | 54722  | null     | null      | null    | unlabelled |         | 0     |
 | 54723  | null     | null      | null    | unlabelled |         | 0     |
 | 54724  | null     | null      | null    | unlabelled |         | 0     |
 | 54725  | null     | null      | null    | unlabelled |         | 0     |
 | 161196 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 215312 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 321752 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 659547 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 680718 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 987030 | null     | null      | null    | unlabelled |         | 0     |
 | 987031 | v1:6     | ethernet1 | 1236::3 | 232596     |         | 0     |
 | 987032 | v1:6     | ethernet1 | 1236::3 | 232597     |         | 0     |
 | 987033 | v1:6     | ethernet1 | 1236::3 | 232598     |         | 0     |
 | 987034 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 987035 | null     | null      | null    | unlabelled |         | 0     |
 | 987036 | null     | null      | null    | unlabelled |         | 0     |
 | 987037 | null     | null      | null    | unlabelled |         | 0     |
 | 987038 | null     | null      | null    | unlabelled |         | 0     |
 | 987039 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#