here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 16536  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 300053 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 546223 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 577489 | null     | null      | null    | unlabelled |         | 0     |
 | 577490 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 577491 | v1:6     | ethernet1 | 1234::2 | 632356     |         | 0     |
 | 577492 | v1:6     | ethernet1 | 1234::2 | 632357     |         | 0     |
 | 577493 | v1:6     | ethernet1 | 1234::2 | 632358     |         | 0     |
 | 577494 | null     | null      | null    | unlabelled |         | 0     |
 | 577495 | null     | null      | null    | unlabelled |         | 0     |
 | 577496 | null     | null      | null    | unlabelled |         | 0     |
 | 577497 | null     | null      | null    | unlabelled |         | 0     |
 | 577498 | null     | null      | null    | unlabelled |         | 0     |
 | 724772 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 786070 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 790556 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 822391 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 893740 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 928149 | null     | null      | null    | unlabelled |         | 0     |
 | 928150 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 928151 | v1:4     | ethernet1 | 1.1.1.2 | 376917     |         | 0     |
 | 928152 | v1:4     | ethernet1 | 1.1.1.2 | 376918     |         | 0     |
 | 928153 | v1:4     | ethernet1 | 1.1.1.2 | 376919     |         | 0     |
 | 928154 | null     | null      | null    | unlabelled |         | 0     |
 | 928155 | null     | null      | null    | unlabelled |         | 0     |
 | 928156 | null     | null      | null    | unlabelled |         | 0     |
 | 928157 | null     | null      | null    | unlabelled |         | 0     |
 | 928158 | null     | null      | null    | unlabelled |         | 0     |
 | 991547 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 996128 | tester:4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 20995   | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 97579   | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 140038  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 282675  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 318537  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 376915  | null     | null      | null    | unlabelled |         | 0     |
 | 376916  | v1:4     | ethernet1 | 1.1.1.1 | 928150     |         | 1280  |
 | 376917  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 376918  | v1:4     | ethernet2 | 1.1.2.3 | 923802     |         | 640   |
 | 376919  | v1:4     | ethernet2 | 1.1.2.3 | 923803     |         | 640   |
 | 376920  | null     | null      | null    | unlabelled |         | 0     |
 | 376921  | null     | null      | null    | unlabelled |         | 0     |
 | 376922  | null     | null      | null    | unlabelled |         | 0     |
 | 376923  | null     | null      | null    | unlabelled |         | 0     |
 | 376924  | null     | null      | null    | unlabelled |         | 0     |
 | 499229  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 501916  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 559752  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 632354  | null     | null      | null    | unlabelled |         | 0     |
 | 632355  | v1:6     | ethernet1 | 1234::1 | 577490     |         | 1280  |
 | 632356  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 632357  | v1:6     | ethernet2 | 1235::3 | 966393     |         | 640   |
 | 632358  | v1:6     | ethernet2 | 1235::3 | 966394     |         | 640   |
 | 632359  | null     | null      | null    | unlabelled |         | 0     |
 | 632360  | null     | null      | null    | unlabelled |         | 0     |
 | 632361  | null     | null      | null    | unlabelled |         | 0     |
 | 632362  | null     | null      | null    | unlabelled |         | 0     |
 | 632363  | null     | null      | null    | unlabelled |         | 0     |
 | 669592  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 742269  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 772259  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1018904 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 16718   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 17670   | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 27820   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 52102   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 159021  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 305782  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 551897  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 680794  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 843320  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 863954  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 866744  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 923799  | null     | null      | null    | unlabelled |         | 0     |
 | 923800  | v1:4     | ethernet1 | 1.1.2.2 | 376916     |         | 640   |
 | 923801  | v1:4     | ethernet1 | 1.1.2.2 | 376917     |         | 640   |
 | 923802  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 923803  | v1:4     | ethernet2 | 1.1.3.4 | 638000     |         | 1280  |
 | 923804  | null     | null      | null    | unlabelled |         | 0     |
 | 923805  | null     | null      | null    | unlabelled |         | 0     |
 | 923806  | null     | null      | null    | unlabelled |         | 0     |
 | 923807  | null     | null      | null    | unlabelled |         | 0     |
 | 923808  | null     | null      | null    | unlabelled |         | 0     |
 | 966390  | null     | null      | null    | unlabelled |         | 0     |
 | 966391  | v1:6     | ethernet1 | 1235::2 | 632355     |         | 640   |
 | 966392  | v1:6     | ethernet1 | 1235::2 | 632356     |         | 640   |
 | 966393  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 966394  | v1:6     | ethernet2 | 1236::4 | 127464     |         | 1280  |
 | 966395  | null     | null      | null    | unlabelled |         | 0     |
 | 966396  | null     | null      | null    | unlabelled |         | 0     |
 | 966397  | null     | null      | null    | unlabelled |         | 0     |
 | 966398  | null     | null      | null    | unlabelled |         | 0     |
 | 966399  | null     | null      | null    | unlabelled |         | 0     |
 | 1008543 | v1:6     | ethernet2 | 1236::4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 127460 | null     | null      | null    | unlabelled |         | 0     |
 | 127461 | v1:6     | ethernet1 | 1236::3 | 966391     |         | 0     |
 | 127462 | v1:6     | ethernet1 | 1236::3 | 966392     |         | 0     |
 | 127463 | v1:6     | ethernet1 | 1236::3 | 966393     |         | 0     |
 | 127464 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 127465 | null     | null      | null    | unlabelled |         | 0     |
 | 127466 | null     | null      | null    | unlabelled |         | 0     |
 | 127467 | null     | null      | null    | unlabelled |         | 0     |
 | 127468 | null     | null      | null    | unlabelled |         | 0     |
 | 127469 | null     | null      | null    | unlabelled |         | 0     |
 | 155103 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 173602 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 195178 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 337303 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 386291 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 448456 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 517818 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 637996 | null     | null      | null    | unlabelled |         | 0     |
 | 637997 | v1:4     | ethernet1 | 1.1.3.3 | 923800     |         | 0     |
 | 637998 | v1:4     | ethernet1 | 1.1.3.3 | 923801     |         | 0     |
 | 637999 | v1:4     | ethernet1 | 1.1.3.3 | 923802     |         | 0     |
 | 638000 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 638001 | null     | null      | null    | unlabelled |         | 0     |
 | 638002 | null     | null      | null    | unlabelled |         | 0     |
 | 638003 | null     | null      | null    | unlabelled |         | 0     |
 | 638004 | null     | null      | null    | unlabelled |         | 0     |
 | 638005 | null     | null      | null    | unlabelled |         | 0     |
 | 762525 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 838998 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 935469 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#