here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 170852 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 221852 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 294857 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 454433 | null     | null      | null    | unlabelled |         | 0     |
 | 454434 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 454435 | v1:4     | ethernet1 | 1.1.1.2 | 704591     |         | 0     |
 | 454436 | v1:4     | ethernet1 | 1.1.1.2 | 704592     |         | 0     |
 | 454437 | v1:4     | ethernet1 | 1.1.1.2 | 704593     |         | 0     |
 | 454438 | null     | null      | null    | unlabelled |         | 0     |
 | 454439 | null     | null      | null    | unlabelled |         | 0     |
 | 454440 | null     | null      | null    | unlabelled |         | 0     |
 | 454441 | null     | null      | null    | unlabelled |         | 0     |
 | 454442 | null     | null      | null    | unlabelled |         | 0     |
 | 498204 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 594321 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 674932 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 757341 | null     | null      | null    | unlabelled |         | 0     |
 | 757342 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 757343 | v1:6     | ethernet1 | 1234::2 | 353963     |         | 0     |
 | 757344 | v1:6     | ethernet1 | 1234::2 | 353964     |         | 0     |
 | 757345 | v1:6     | ethernet1 | 1234::2 | 353965     |         | 0     |
 | 757346 | null     | null      | null    | unlabelled |         | 0     |
 | 757347 | null     | null      | null    | unlabelled |         | 0     |
 | 757348 | null     | null      | null    | unlabelled |         | 0     |
 | 757349 | null     | null      | null    | unlabelled |         | 0     |
 | 757350 | null     | null      | null    | unlabelled |         | 0     |
 | 764055 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 845452 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 913367 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 959805 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 204304  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 221568  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 226101  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 278615  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 353961  | null     | null      | null    | unlabelled |         | 0     |
 | 353962  | v1:6     | ethernet1 | 1234::1 | 757342     |         | 1280  |
 | 353963  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 353964  | v1:6     | ethernet2 | 1235::3 | 672900     |         | 640   |
 | 353965  | v1:6     | ethernet2 | 1235::3 | 672901     |         | 640   |
 | 353966  | null     | null      | null    | unlabelled |         | 0     |
 | 353967  | null     | null      | null    | unlabelled |         | 0     |
 | 353968  | null     | null      | null    | unlabelled |         | 0     |
 | 353969  | null     | null      | null    | unlabelled |         | 0     |
 | 353970  | null     | null      | null    | unlabelled |         | 0     |
 | 354671  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 460968  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 479988  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 524720  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 704589  | null     | null      | null    | unlabelled |         | 0     |
 | 704590  | v1:4     | ethernet1 | 1.1.1.1 | 454434     |         | 1280  |
 | 704591  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 704592  | v1:4     | ethernet2 | 1.1.2.3 | 71303      |         | 640   |
 | 704593  | v1:4     | ethernet2 | 1.1.2.3 | 71304      |         | 640   |
 | 704594  | null     | null      | null    | unlabelled |         | 0     |
 | 704595  | null     | null      | null    | unlabelled |         | 0     |
 | 704596  | null     | null      | null    | unlabelled |         | 0     |
 | 704597  | null     | null      | null    | unlabelled |         | 0     |
 | 704598  | null     | null      | null    | unlabelled |         | 0     |
 | 857589  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 869567  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 935559  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1039883 | v1:6     | ethernet2 | 1235::3 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 71300  | null     | null      | null    | unlabelled |         | 0     |
 | 71301  | v1:4     | ethernet1 | 1.1.2.2 | 704590     |         | 640   |
 | 71302  | v1:4     | ethernet1 | 1.1.2.2 | 704591     |         | 640   |
 | 71303  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 71304  | v1:4     | ethernet2 | 1.1.3.4 | 234165     |         | 1280  |
 | 71305  | null     | null      | null    | unlabelled |         | 0     |
 | 71306  | null     | null      | null    | unlabelled |         | 0     |
 | 71307  | null     | null      | null    | unlabelled |         | 0     |
 | 71308  | null     | null      | null    | unlabelled |         | 0     |
 | 71309  | null     | null      | null    | unlabelled |         | 0     |
 | 165735 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 203664 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 250993 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 254838 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 394006 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 410271 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 456798 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 478754 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 502557 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 598957 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 622687 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 672897 | null     | null      | null    | unlabelled |         | 0     |
 | 672898 | v1:6     | ethernet1 | 1235::2 | 353962     |         | 640   |
 | 672899 | v1:6     | ethernet1 | 1235::2 | 353963     |         | 640   |
 | 672900 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 672901 | v1:6     | ethernet2 | 1236::4 | 81647      |         | 1280  |
 | 672902 | null     | null      | null    | unlabelled |         | 0     |
 | 672903 | null     | null      | null    | unlabelled |         | 0     |
 | 672904 | null     | null      | null    | unlabelled |         | 0     |
 | 672905 | null     | null      | null    | unlabelled |         | 0     |
 | 672906 | null     | null      | null    | unlabelled |         | 0     |
 | 838608 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 81643  | null     | null      | null    | unlabelled |         | 0     |
 | 81644  | v1:6     | ethernet1 | 1236::3 | 672898     |         | 0     |
 | 81645  | v1:6     | ethernet1 | 1236::3 | 672899     |         | 0     |
 | 81646  | v1:6     | ethernet1 | 1236::3 | 672900     |         | 0     |
 | 81647  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 81648  | null     | null      | null    | unlabelled |         | 0     |
 | 81649  | null     | null      | null    | unlabelled |         | 0     |
 | 81650  | null     | null      | null    | unlabelled |         | 0     |
 | 81651  | null     | null      | null    | unlabelled |         | 0     |
 | 81652  | null     | null      | null    | unlabelled |         | 0     |
 | 121455 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 136134 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 234161 | null     | null      | null    | unlabelled |         | 0     |
 | 234162 | v1:4     | ethernet1 | 1.1.3.3 | 71301      |         | 0     |
 | 234163 | v1:4     | ethernet1 | 1.1.3.3 | 71302      |         | 0     |
 | 234164 | v1:4     | ethernet1 | 1.1.3.3 | 71303      |         | 0     |
 | 234165 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 234166 | null     | null      | null    | unlabelled |         | 0     |
 | 234167 | null     | null      | null    | unlabelled |         | 0     |
 | 234168 | null     | null      | null    | unlabelled |         | 0     |
 | 234169 | null     | null      | null    | unlabelled |         | 0     |
 | 234170 | null     | null      | null    | unlabelled |         | 0     |
 | 311888 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 330236 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 521868 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 563163 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 736925 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 803892 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 856809 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 889601 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#