here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 46862  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 87828  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 194263 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 301419 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 367450 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 429290 | null     | null      | null    | unlabelled |         | 0     |
 | 429291 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 429292 | v1:6     | ethernet1 | 1234::2 | 366498     |         | 0     |
 | 429293 | v1:6     | ethernet1 | 1234::2 | 366499     |         | 0     |
 | 429294 | v1:6     | ethernet1 | 1234::2 | 366500     |         | 0     |
 | 429295 | null     | null      | null    | unlabelled |         | 0     |
 | 429296 | null     | null      | null    | unlabelled |         | 0     |
 | 429297 | null     | null      | null    | unlabelled |         | 0     |
 | 429298 | null     | null      | null    | unlabelled |         | 0     |
 | 429299 | null     | null      | null    | unlabelled |         | 0     |
 | 460824 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 467364 | null     | null      | null    | unlabelled |         | 0     |
 | 467365 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 467366 | v1:4     | ethernet1 | 1.1.1.2 | 345949     |         | 0     |
 | 467367 | v1:4     | ethernet1 | 1.1.1.2 | 345950     |         | 0     |
 | 467368 | v1:4     | ethernet1 | 1.1.1.2 | 345951     |         | 0     |
 | 467369 | null     | null      | null    | unlabelled |         | 0     |
 | 467370 | null     | null      | null    | unlabelled |         | 0     |
 | 467371 | null     | null      | null    | unlabelled |         | 0     |
 | 467372 | null     | null      | null    | unlabelled |         | 0     |
 | 467373 | null     | null      | null    | unlabelled |         | 0     |
 | 475428 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 605588 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 627487 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 695474 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 1557    | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 29580   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 345947  | null     | null      | null    | unlabelled |         | 0     |
 | 345948  | v1:4     | ethernet1 | 1.1.1.1 | 467365     |         | 1280  |
 | 345949  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 345950  | v1:4     | ethernet2 | 1.1.2.3 | 776103     |         | 640   |
 | 345951  | v1:4     | ethernet2 | 1.1.2.3 | 776104     |         | 640   |
 | 345952  | null     | null      | null    | unlabelled |         | 0     |
 | 345953  | null     | null      | null    | unlabelled |         | 0     |
 | 345954  | null     | null      | null    | unlabelled |         | 0     |
 | 345955  | null     | null      | null    | unlabelled |         | 0     |
 | 345956  | null     | null      | null    | unlabelled |         | 0     |
 | 366496  | null     | null      | null    | unlabelled |         | 0     |
 | 366497  | v1:6     | ethernet1 | 1234::1 | 429291     |         | 1280  |
 | 366498  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 366499  | v1:6     | ethernet2 | 1235::3 | 705387     |         | 640   |
 | 366500  | v1:6     | ethernet2 | 1235::3 | 705388     |         | 640   |
 | 366501  | null     | null      | null    | unlabelled |         | 0     |
 | 366502  | null     | null      | null    | unlabelled |         | 0     |
 | 366503  | null     | null      | null    | unlabelled |         | 0     |
 | 366504  | null     | null      | null    | unlabelled |         | 0     |
 | 366505  | null     | null      | null    | unlabelled |         | 0     |
 | 386520  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 476536  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 505514  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 528674  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 569181  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 622462  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 659441  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 910946  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1019212 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1033416 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 64432   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 198427  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 302173  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 358459  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 379002  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 399551  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 552255  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 576561  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 592149  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 637585  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 705384  | null     | null      | null    | unlabelled |         | 0     |
 | 705385  | v1:6     | ethernet1 | 1235::2 | 366497     |         | 640   |
 | 705386  | v1:6     | ethernet1 | 1235::2 | 366498     |         | 640   |
 | 705387  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 705388  | v1:6     | ethernet2 | 1236::4 | 910393     |         | 1280  |
 | 705389  | null     | null      | null    | unlabelled |         | 0     |
 | 705390  | null     | null      | null    | unlabelled |         | 0     |
 | 705391  | null     | null      | null    | unlabelled |         | 0     |
 | 705392  | null     | null      | null    | unlabelled |         | 0     |
 | 705393  | null     | null      | null    | unlabelled |         | 0     |
 | 776100  | null     | null      | null    | unlabelled |         | 0     |
 | 776101  | v1:4     | ethernet1 | 1.1.2.2 | 345948     |         | 640   |
 | 776102  | v1:4     | ethernet1 | 1.1.2.2 | 345949     |         | 640   |
 | 776103  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 776104  | v1:4     | ethernet2 | 1.1.3.4 | 873631     |         | 1280  |
 | 776105  | null     | null      | null    | unlabelled |         | 0     |
 | 776106  | null     | null      | null    | unlabelled |         | 0     |
 | 776107  | null     | null      | null    | unlabelled |         | 0     |
 | 776108  | null     | null      | null    | unlabelled |         | 0     |
 | 776109  | null     | null      | null    | unlabelled |         | 0     |
 | 842026  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1003921 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 38715   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 126307  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 322412  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 469565  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 626859  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 650398  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 651138  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 827828  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 873627  | null     | null      | null    | unlabelled |         | 0     |
 | 873628  | v1:4     | ethernet1 | 1.1.3.3 | 776101     |         | 0     |
 | 873629  | v1:4     | ethernet1 | 1.1.3.3 | 776102     |         | 0     |
 | 873630  | v1:4     | ethernet1 | 1.1.3.3 | 776103     |         | 0     |
 | 873631  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 873632  | null     | null      | null    | unlabelled |         | 0     |
 | 873633  | null     | null      | null    | unlabelled |         | 0     |
 | 873634  | null     | null      | null    | unlabelled |         | 0     |
 | 873635  | null     | null      | null    | unlabelled |         | 0     |
 | 873636  | null     | null      | null    | unlabelled |         | 0     |
 | 910389  | null     | null      | null    | unlabelled |         | 0     |
 | 910390  | v1:6     | ethernet1 | 1236::3 | 705385     |         | 0     |
 | 910391  | v1:6     | ethernet1 | 1236::3 | 705386     |         | 0     |
 | 910392  | v1:6     | ethernet1 | 1236::3 | 705387     |         | 0     |
 | 910393  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 910394  | null     | null      | null    | unlabelled |         | 0     |
 | 910395  | null     | null      | null    | unlabelled |         | 0     |
 | 910396  | null     | null      | null    | unlabelled |         | 0     |
 | 910397  | null     | null      | null    | unlabelled |         | 0     |
 | 910398  | null     | null      | null    | unlabelled |         | 0     |
 | 933435  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1012103 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#