here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 83037   | null     | null      | null    | unlabelled |         | 0     |
 | 83038   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 83039   | v1:4     | ethernet1 | 1.1.1.2 | 156462     |         | 0     |
 | 83040   | v1:4     | ethernet1 | 1.1.1.2 | 156463     |         | 0     |
 | 83041   | v1:4     | ethernet1 | 1.1.1.2 | 156464     |         | 0     |
 | 83042   | null     | null      | null    | unlabelled |         | 0     |
 | 83043   | null     | null      | null    | unlabelled |         | 0     |
 | 83044   | null     | null      | null    | unlabelled |         | 0     |
 | 83045   | null     | null      | null    | unlabelled |         | 0     |
 | 83046   | null     | null      | null    | unlabelled |         | 0     |
 | 91472   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 234357  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 371467  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 408958  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 417964  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 474991  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 504531  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 904340  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 946634  | null     | null      | null    | unlabelled |         | 0     |
 | 946635  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 946636  | v1:6     | ethernet1 | 1234::2 | 849399     |         | 0     |
 | 946637  | v1:6     | ethernet1 | 1234::2 | 849400     |         | 0     |
 | 946638  | v1:6     | ethernet1 | 1234::2 | 849401     |         | 0     |
 | 946639  | null     | null      | null    | unlabelled |         | 0     |
 | 946640  | null     | null      | null    | unlabelled |         | 0     |
 | 946641  | null     | null      | null    | unlabelled |         | 0     |
 | 946642  | null     | null      | null    | unlabelled |         | 0     |
 | 946643  | null     | null      | null    | unlabelled |         | 0     |
 | 948778  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1018901 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 97237  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 138228 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 156460 | null     | null      | null    | unlabelled |         | 0     |
 | 156461 | v1:4     | ethernet1 | 1.1.1.1 | 83038      |         | 1280  |
 | 156462 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 156463 | v1:4     | ethernet2 | 1.1.2.3 | 973299     |         | 640   |
 | 156464 | v1:4     | ethernet2 | 1.1.2.3 | 973300     |         | 640   |
 | 156465 | null     | null      | null    | unlabelled |         | 0     |
 | 156466 | null     | null      | null    | unlabelled |         | 0     |
 | 156467 | null     | null      | null    | unlabelled |         | 0     |
 | 156468 | null     | null      | null    | unlabelled |         | 0     |
 | 156469 | null     | null      | null    | unlabelled |         | 0     |
 | 178688 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 196663 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 235165 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 394568 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 435740 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 570761 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 665746 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 723336 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 755076 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 849397 | null     | null      | null    | unlabelled |         | 0     |
 | 849398 | v1:6     | ethernet1 | 1234::1 | 946635     |         | 1280  |
 | 849399 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 849400 | v1:6     | ethernet2 | 1235::3 | 508554     |         | 640   |
 | 849401 | v1:6     | ethernet2 | 1235::3 | 508555     |         | 640   |
 | 849402 | null     | null      | null    | unlabelled |         | 0     |
 | 849403 | null     | null      | null    | unlabelled |         | 0     |
 | 849404 | null     | null      | null    | unlabelled |         | 0     |
 | 849405 | null     | null      | null    | unlabelled |         | 0     |
 | 849406 | null     | null      | null    | unlabelled |         | 0     |
 | 885706 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 30676  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 78692  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 157681 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 439536 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 508551 | null     | null      | null    | unlabelled |         | 0     |
 | 508552 | v1:6     | ethernet1 | 1235::2 | 849398     |         | 640   |
 | 508553 | v1:6     | ethernet1 | 1235::2 | 849399     |         | 640   |
 | 508554 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 508555 | v1:6     | ethernet2 | 1236::4 | 214493     |         | 1280  |
 | 508556 | null     | null      | null    | unlabelled |         | 0     |
 | 508557 | null     | null      | null    | unlabelled |         | 0     |
 | 508558 | null     | null      | null    | unlabelled |         | 0     |
 | 508559 | null     | null      | null    | unlabelled |         | 0     |
 | 508560 | null     | null      | null    | unlabelled |         | 0     |
 | 535998 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 600002 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 664258 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 761973 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 827636 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 856506 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 866913 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 887974 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 973296 | null     | null      | null    | unlabelled |         | 0     |
 | 973297 | v1:4     | ethernet1 | 1.1.2.2 | 156461     |         | 640   |
 | 973298 | v1:4     | ethernet1 | 1.1.2.2 | 156462     |         | 640   |
 | 973299 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 973300 | v1:4     | ethernet2 | 1.1.3.4 | 376976     |         | 1280  |
 | 973301 | null     | null      | null    | unlabelled |         | 0     |
 | 973302 | null     | null      | null    | unlabelled |         | 0     |
 | 973303 | null     | null      | null    | unlabelled |         | 0     |
 | 973304 | null     | null      | null    | unlabelled |         | 0     |
 | 973305 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 137695 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 212653 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 214489 | null     | null      | null    | unlabelled |         | 0     |
 | 214490 | v1:6     | ethernet1 | 1236::3 | 508552     |         | 0     |
 | 214491 | v1:6     | ethernet1 | 1236::3 | 508553     |         | 0     |
 | 214492 | v1:6     | ethernet1 | 1236::3 | 508554     |         | 0     |
 | 214493 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 214494 | null     | null      | null    | unlabelled |         | 0     |
 | 214495 | null     | null      | null    | unlabelled |         | 0     |
 | 214496 | null     | null      | null    | unlabelled |         | 0     |
 | 214497 | null     | null      | null    | unlabelled |         | 0     |
 | 214498 | null     | null      | null    | unlabelled |         | 0     |
 | 263437 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 365957 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 376972 | null     | null      | null    | unlabelled |         | 0     |
 | 376973 | v1:4     | ethernet1 | 1.1.3.3 | 973297     |         | 0     |
 | 376974 | v1:4     | ethernet1 | 1.1.3.3 | 973298     |         | 0     |
 | 376975 | v1:4     | ethernet1 | 1.1.3.3 | 973299     |         | 0     |
 | 376976 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 376977 | null     | null      | null    | unlabelled |         | 0     |
 | 376978 | null     | null      | null    | unlabelled |         | 0     |
 | 376979 | null     | null      | null    | unlabelled |         | 0     |
 | 376980 | null     | null      | null    | unlabelled |         | 0     |
 | 376981 | null     | null      | null    | unlabelled |         | 0     |
 | 377365 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 390748 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 570483 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 652416 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 771435 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 798418 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#