here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 160623 | null     | null      | null    | unlabelled |         | 0     |
 | 160624 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 160625 | v1:4     | ethernet1 | 1.1.1.2 | 302695     |         | 0     |
 | 160626 | v1:4     | ethernet1 | 1.1.1.2 | 302696     |         | 0     |
 | 160627 | v1:4     | ethernet1 | 1.1.1.2 | 302697     |         | 0     |
 | 160628 | null     | null      | null    | unlabelled |         | 0     |
 | 160629 | null     | null      | null    | unlabelled |         | 0     |
 | 160630 | null     | null      | null    | unlabelled |         | 0     |
 | 160631 | null     | null      | null    | unlabelled |         | 0     |
 | 160632 | null     | null      | null    | unlabelled |         | 0     |
 | 177211 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 440582 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 471882 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 648754 | null     | null      | null    | unlabelled |         | 0     |
 | 648755 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 648756 | v1:6     | ethernet1 | 1234::2 | 122733     |         | 0     |
 | 648757 | v1:6     | ethernet1 | 1234::2 | 122734     |         | 0     |
 | 648758 | v1:6     | ethernet1 | 1234::2 | 122735     |         | 0     |
 | 648759 | null     | null      | null    | unlabelled |         | 0     |
 | 648760 | null     | null      | null    | unlabelled |         | 0     |
 | 648761 | null     | null      | null    | unlabelled |         | 0     |
 | 648762 | null     | null      | null    | unlabelled |         | 0     |
 | 648763 | null     | null      | null    | unlabelled |         | 0     |
 | 680825 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 734548 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 984064 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43718  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 122731 | null     | null      | null    | unlabelled |         | 0     |
 | 122732 | v1:6     | ethernet1 | 1234::1 | 648755     |         | 1280  |
 | 122733 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 122734 | v1:6     | ethernet2 | 1235::3 | 1047349    |         | 640   |
 | 122735 | v1:6     | ethernet2 | 1235::3 | 1047350    |         | 640   |
 | 122736 | null     | null      | null    | unlabelled |         | 0     |
 | 122737 | null     | null      | null    | unlabelled |         | 0     |
 | 122738 | null     | null      | null    | unlabelled |         | 0     |
 | 122739 | null     | null      | null    | unlabelled |         | 0     |
 | 122740 | null     | null      | null    | unlabelled |         | 0     |
 | 150495 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 180854 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 302693 | null     | null      | null    | unlabelled |         | 0     |
 | 302694 | v1:4     | ethernet1 | 1.1.1.1 | 160624     |         | 1280  |
 | 302695 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 302696 | v1:4     | ethernet2 | 1.1.2.3 | 182770     |         | 640   |
 | 302697 | v1:4     | ethernet2 | 1.1.2.3 | 182771     |         | 640   |
 | 302698 | null     | null      | null    | unlabelled |         | 0     |
 | 302699 | null     | null      | null    | unlabelled |         | 0     |
 | 302700 | null     | null      | null    | unlabelled |         | 0     |
 | 302701 | null     | null      | null    | unlabelled |         | 0     |
 | 302702 | null     | null      | null    | unlabelled |         | 0     |
 | 390336 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 556612 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 595445 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 883641 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 950772 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 182767  | null     | null      | null    | unlabelled |         | 0     |
 | 182768  | v1:4     | ethernet1 | 1.1.2.2 | 302694     |         | 640   |
 | 182769  | v1:4     | ethernet1 | 1.1.2.2 | 302695     |         | 640   |
 | 182770  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 182771  | v1:4     | ethernet2 | 1.1.3.4 | 300961     |         | 1280  |
 | 182772  | null     | null      | null    | unlabelled |         | 0     |
 | 182773  | null     | null      | null    | unlabelled |         | 0     |
 | 182774  | null     | null      | null    | unlabelled |         | 0     |
 | 182775  | null     | null      | null    | unlabelled |         | 0     |
 | 182776  | null     | null      | null    | unlabelled |         | 0     |
 | 188346  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 222309  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 276196  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 363027  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 699431  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 861442  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 919068  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 1045607 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 1047346 | null     | null      | null    | unlabelled |         | 0     |
 | 1047347 | v1:6     | ethernet1 | 1235::2 | 122732     |         | 640   |
 | 1047348 | v1:6     | ethernet1 | 1235::2 | 122733     |         | 640   |
 | 1047349 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1047350 | v1:6     | ethernet2 | 1236::4 | 309526     |         | 1280  |
 | 1047351 | null     | null      | null    | unlabelled |         | 0     |
 | 1047352 | null     | null      | null    | unlabelled |         | 0     |
 | 1047353 | null     | null      | null    | unlabelled |         | 0     |
 | 1047354 | null     | null      | null    | unlabelled |         | 0     |
 | 1047355 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 234116 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 300957 | null     | null      | null    | unlabelled |         | 0     |
 | 300958 | v1:4     | ethernet1 | 1.1.3.3 | 182768     |         | 0     |
 | 300959 | v1:4     | ethernet1 | 1.1.3.3 | 182769     |         | 0     |
 | 300960 | v1:4     | ethernet1 | 1.1.3.3 | 182770     |         | 0     |
 | 300961 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 300962 | null     | null      | null    | unlabelled |         | 0     |
 | 300963 | null     | null      | null    | unlabelled |         | 0     |
 | 300964 | null     | null      | null    | unlabelled |         | 0     |
 | 300965 | null     | null      | null    | unlabelled |         | 0     |
 | 300966 | null     | null      | null    | unlabelled |         | 0     |
 | 309522 | null     | null      | null    | unlabelled |         | 0     |
 | 309523 | v1:6     | ethernet1 | 1236::3 | 1047347    |         | 0     |
 | 309524 | v1:6     | ethernet1 | 1236::3 | 1047348    |         | 0     |
 | 309525 | v1:6     | ethernet1 | 1236::3 | 1047349    |         | 0     |
 | 309526 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 309527 | null     | null      | null    | unlabelled |         | 0     |
 | 309528 | null     | null      | null    | unlabelled |         | 0     |
 | 309529 | null     | null      | null    | unlabelled |         | 0     |
 | 309530 | null     | null      | null    | unlabelled |         | 0     |
 | 309531 | null     | null      | null    | unlabelled |         | 0     |
 | 633474 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 649712 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 745419 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 807115 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 879103 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#