here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 52369  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 78786  | null     | null      | null    | unlabelled |         | 0     |
 | 78787  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 78788  | v1:6     | ethernet1 | 1234::2 | 898634     |         | 0     |
 | 78789  | v1:6     | ethernet1 | 1234::2 | 898635     |         | 0     |
 | 78790  | v1:6     | ethernet1 | 1234::2 | 898636     |         | 0     |
 | 78791  | null     | null      | null    | unlabelled |         | 0     |
 | 78792  | null     | null      | null    | unlabelled |         | 0     |
 | 78793  | null     | null      | null    | unlabelled |         | 0     |
 | 78794  | null     | null      | null    | unlabelled |         | 0     |
 | 78795  | null     | null      | null    | unlabelled |         | 0     |
 | 224473 | null     | null      | null    | unlabelled |         | 0     |
 | 224474 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 224475 | v1:4     | ethernet1 | 1.1.1.2 | 230437     |         | 0     |
 | 224476 | v1:4     | ethernet1 | 1.1.1.2 | 230438     |         | 0     |
 | 224477 | v1:4     | ethernet1 | 1.1.1.2 | 230439     |         | 0     |
 | 224478 | null     | null      | null    | unlabelled |         | 0     |
 | 224479 | null     | null      | null    | unlabelled |         | 0     |
 | 224480 | null     | null      | null    | unlabelled |         | 0     |
 | 224481 | null     | null      | null    | unlabelled |         | 0     |
 | 224482 | null     | null      | null    | unlabelled |         | 0     |
 | 247885 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 375683 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 397100 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 505969 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 577568 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 230435  | null     | null      | null    | unlabelled |         | 0     |
 | 230436  | v1:4     | ethernet1 | 1.1.1.1 | 224474     |         | 1280  |
 | 230437  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 230438  | v1:4     | ethernet2 | 1.1.2.3 | 878741     |         | 640   |
 | 230439  | v1:4     | ethernet2 | 1.1.2.3 | 878742     |         | 640   |
 | 230440  | null     | null      | null    | unlabelled |         | 0     |
 | 230441  | null     | null      | null    | unlabelled |         | 0     |
 | 230442  | null     | null      | null    | unlabelled |         | 0     |
 | 230443  | null     | null      | null    | unlabelled |         | 0     |
 | 230444  | null     | null      | null    | unlabelled |         | 0     |
 | 357040  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 411338  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 431760  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 617686  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 705850  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 838687  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 898632  | null     | null      | null    | unlabelled |         | 0     |
 | 898633  | v1:6     | ethernet1 | 1234::1 | 78787      |         | 1280  |
 | 898634  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 898635  | v1:6     | ethernet2 | 1235::3 | 401747     |         | 640   |
 | 898636  | v1:6     | ethernet2 | 1235::3 | 401748     |         | 640   |
 | 898637  | null     | null      | null    | unlabelled |         | 0     |
 | 898638  | null     | null      | null    | unlabelled |         | 0     |
 | 898639  | null     | null      | null    | unlabelled |         | 0     |
 | 898640  | null     | null      | null    | unlabelled |         | 0     |
 | 898641  | null     | null      | null    | unlabelled |         | 0     |
 | 944408  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1005650 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 102279 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 125774 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 401744 | null     | null      | null    | unlabelled |         | 0     |
 | 401745 | v1:6     | ethernet1 | 1235::2 | 898633     |         | 640   |
 | 401746 | v1:6     | ethernet1 | 1235::2 | 898634     |         | 640   |
 | 401747 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 401748 | v1:6     | ethernet2 | 1236::4 | 572124     |         | 1280  |
 | 401749 | null     | null      | null    | unlabelled |         | 0     |
 | 401750 | null     | null      | null    | unlabelled |         | 0     |
 | 401751 | null     | null      | null    | unlabelled |         | 0     |
 | 401752 | null     | null      | null    | unlabelled |         | 0     |
 | 401753 | null     | null      | null    | unlabelled |         | 0     |
 | 521888 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 533420 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 546302 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 726112 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 732790 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 737276 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 878738 | null     | null      | null    | unlabelled |         | 0     |
 | 878739 | v1:4     | ethernet1 | 1.1.2.2 | 230436     |         | 640   |
 | 878740 | v1:4     | ethernet1 | 1.1.2.2 | 230437     |         | 640   |
 | 878741 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 878742 | v1:4     | ethernet2 | 1.1.3.4 | 138680     |         | 1280  |
 | 878743 | null     | null      | null    | unlabelled |         | 0     |
 | 878744 | null     | null      | null    | unlabelled |         | 0     |
 | 878745 | null     | null      | null    | unlabelled |         | 0     |
 | 878746 | null     | null      | null    | unlabelled |         | 0     |
 | 878747 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 79349  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 136715 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 138676 | null     | null      | null    | unlabelled |         | 0     |
 | 138677 | v1:4     | ethernet1 | 1.1.3.3 | 878739     |         | 0     |
 | 138678 | v1:4     | ethernet1 | 1.1.3.3 | 878740     |         | 0     |
 | 138679 | v1:4     | ethernet1 | 1.1.3.3 | 878741     |         | 0     |
 | 138680 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 138681 | null     | null      | null    | unlabelled |         | 0     |
 | 138682 | null     | null      | null    | unlabelled |         | 0     |
 | 138683 | null     | null      | null    | unlabelled |         | 0     |
 | 138684 | null     | null      | null    | unlabelled |         | 0     |
 | 138685 | null     | null      | null    | unlabelled |         | 0     |
 | 570658 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 572120 | null     | null      | null    | unlabelled |         | 0     |
 | 572121 | v1:6     | ethernet1 | 1236::3 | 401745     |         | 0     |
 | 572122 | v1:6     | ethernet1 | 1236::3 | 401746     |         | 0     |
 | 572123 | v1:6     | ethernet1 | 1236::3 | 401747     |         | 0     |
 | 572124 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 572125 | null     | null      | null    | unlabelled |         | 0     |
 | 572126 | null     | null      | null    | unlabelled |         | 0     |
 | 572127 | null     | null      | null    | unlabelled |         | 0     |
 | 572128 | null     | null      | null    | unlabelled |         | 0     |
 | 572129 | null     | null      | null    | unlabelled |         | 0     |
 | 682622 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 739320 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 800942 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#