here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 3040    | null     | null      | null    | unlabelled |         | 0     |
 | 3041    | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 3042    | v1:4     | ethernet1 | 1.1.1.2 | 909432     |         | 0     |
 | 3043    | v1:4     | ethernet1 | 1.1.1.2 | 909433     |         | 0     |
 | 3044    | v1:4     | ethernet1 | 1.1.1.2 | 909434     |         | 0     |
 | 3045    | null     | null      | null    | unlabelled |         | 0     |
 | 3046    | null     | null      | null    | unlabelled |         | 0     |
 | 3047    | null     | null      | null    | unlabelled |         | 0     |
 | 3048    | null     | null      | null    | unlabelled |         | 0     |
 | 3049    | null     | null      | null    | unlabelled |         | 0     |
 | 27107   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 30143   | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 205224  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 387775  | null     | null      | null    | unlabelled |         | 0     |
 | 387776  | v1:6     | null      | null    | unlabelled | local   | 2176  |
 | 387777  | v1:6     | ethernet1 | 1234::2 | 1037875    |         | 0     |
 | 387778  | v1:6     | ethernet1 | 1234::2 | 1037876    |         | 0     |
 | 387779  | v1:6     | ethernet1 | 1234::2 | 1037877    |         | 0     |
 | 387780  | null     | null      | null    | unlabelled |         | 0     |
 | 387781  | null     | null      | null    | unlabelled |         | 0     |
 | 387782  | null     | null      | null    | unlabelled |         | 0     |
 | 387783  | null     | null      | null    | unlabelled |         | 0     |
 | 387784  | null     | null      | null    | unlabelled |         | 0     |
 | 471672  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 584355  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 757959  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 827960  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 850384  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1004656 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1011564 | v1:4     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 20056   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 197975  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 260251  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 436793  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 468386  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 473361  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 531035  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 677713  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 728627  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 836508  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 888774  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 909430  | null     | null      | null    | unlabelled |         | 0     |
 | 909431  | v1:4     | ethernet1 | 1.1.1.1 | 3041       |         | 1280  |
 | 909432  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 909433  | v1:4     | ethernet2 | 1.1.2.3 | 993883     |         | 640   |
 | 909434  | v1:4     | ethernet2 | 1.1.2.3 | 993884     |         | 640   |
 | 909435  | null     | null      | null    | unlabelled |         | 0     |
 | 909436  | null     | null      | null    | unlabelled |         | 0     |
 | 909437  | null     | null      | null    | unlabelled |         | 0     |
 | 909438  | null     | null      | null    | unlabelled |         | 0     |
 | 909439  | null     | null      | null    | unlabelled |         | 0     |
 | 949962  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 1037873 | null     | null      | null    | unlabelled |         | 0     |
 | 1037874 | v1:6     | ethernet1 | 1234::1 | 387776     |         | 1536  |
 | 1037875 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1037876 | v1:6     | ethernet2 | 1235::3 | 632617     |         | 640   |
 | 1037877 | v1:6     | ethernet2 | 1235::3 | 632618     |         | 896   |
 | 1037878 | null     | null      | null    | unlabelled |         | 0     |
 | 1037879 | null     | null      | null    | unlabelled |         | 0     |
 | 1037880 | null     | null      | null    | unlabelled |         | 0     |
 | 1037881 | null     | null      | null    | unlabelled |         | 0     |
 | 1037882 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 38202  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 74337  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 134430 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 142153 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 360323 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 406115 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 509012 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 597695 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 600404 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 632614 | null     | null      | null    | unlabelled |         | 0     |
 | 632615 | v1:6     | ethernet1 | 1235::2 | 1037874    |         | 896   |
 | 632616 | v1:6     | ethernet1 | 1235::2 | 1037875    |         | 640   |
 | 632617 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 632618 | v1:6     | ethernet2 | 1236::4 | 134454     |         | 1536  |
 | 632619 | null     | null      | null    | unlabelled |         | 0     |
 | 632620 | null     | null      | null    | unlabelled |         | 0     |
 | 632621 | null     | null      | null    | unlabelled |         | 0     |
 | 632622 | null     | null      | null    | unlabelled |         | 0     |
 | 632623 | null     | null      | null    | unlabelled |         | 0     |
 | 647113 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 915397 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 978039 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 993880 | null     | null      | null    | unlabelled |         | 0     |
 | 993881 | v1:4     | ethernet1 | 1.1.2.2 | 909431     |         | 640   |
 | 993882 | v1:4     | ethernet1 | 1.1.2.2 | 909432     |         | 640   |
 | 993883 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 993884 | v1:4     | ethernet2 | 1.1.3.4 | 979855     |         | 1280  |
 | 993885 | null     | null      | null    | unlabelled |         | 0     |
 | 993886 | null     | null      | null    | unlabelled |         | 0     |
 | 993887 | null     | null      | null    | unlabelled |         | 0     |
 | 993888 | null     | null      | null    | unlabelled |         | 0     |
 | 993889 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 87780  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 119690 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 134450 | null     | null      | null    | unlabelled |         | 0     |
 | 134451 | v1:6     | ethernet1 | 1236::3 | 632615     |         | 0     |
 | 134452 | v1:6     | ethernet1 | 1236::3 | 632616     |         | 0     |
 | 134453 | v1:6     | ethernet1 | 1236::3 | 632617     |         | 0     |
 | 134454 | v1:6     | null      | null    | unlabelled | local   | 2176  |
 | 134455 | null     | null      | null    | unlabelled |         | 0     |
 | 134456 | null     | null      | null    | unlabelled |         | 0     |
 | 134457 | null     | null      | null    | unlabelled |         | 0     |
 | 134458 | null     | null      | null    | unlabelled |         | 0     |
 | 134459 | null     | null      | null    | unlabelled |         | 0     |
 | 156030 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 337545 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 464330 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 549038 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 595581 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 777252 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 813642 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 923045 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 979851 | null     | null      | null    | unlabelled |         | 0     |
 | 979852 | v1:4     | ethernet1 | 1.1.3.3 | 993881     |         | 0     |
 | 979853 | v1:4     | ethernet1 | 1.1.3.3 | 993882     |         | 0     |
 | 979854 | v1:4     | ethernet1 | 1.1.3.3 | 993883     |         | 0     |
 | 979855 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 979856 | null     | null      | null    | unlabelled |         | 0     |
 | 979857 | null     | null      | null    | unlabelled |         | 0     |
 | 979858 | null     | null      | null    | unlabelled |         | 0     |
 | 979859 | null     | null      | null    | unlabelled |         | 0     |
 | 979860 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#