here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 156080 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 185023 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 235402 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 364941 | null     | null      | null    | unlabelled |         | 0     |
 | 364942 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 364943 | v1:4     | ethernet1 | 1.1.1.2 | 1012373    |         | 0     |
 | 364944 | v1:4     | ethernet1 | 1.1.1.2 | 1012374    |         | 0     |
 | 364945 | v1:4     | ethernet1 | 1.1.1.2 | 1012375    |         | 0     |
 | 364946 | null     | null      | null    | unlabelled |         | 0     |
 | 364947 | null     | null      | null    | unlabelled |         | 0     |
 | 364948 | null     | null      | null    | unlabelled |         | 0     |
 | 364949 | null     | null      | null    | unlabelled |         | 0     |
 | 364950 | null     | null      | null    | unlabelled |         | 0     |
 | 396966 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 466224 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 766997 | null     | null      | null    | unlabelled |         | 0     |
 | 766998 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 766999 | v1:6     | ethernet1 | 1234::2 | 860151     |         | 0     |
 | 767000 | v1:6     | ethernet1 | 1234::2 | 860152     |         | 0     |
 | 767001 | v1:6     | ethernet1 | 1234::2 | 860153     |         | 0     |
 | 767002 | null     | null      | null    | unlabelled |         | 0     |
 | 767003 | null     | null      | null    | unlabelled |         | 0     |
 | 767004 | null     | null      | null    | unlabelled |         | 0     |
 | 767005 | null     | null      | null    | unlabelled |         | 0     |
 | 767006 | null     | null      | null    | unlabelled |         | 0     |
 | 776595 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 796198 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 803239 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 831718 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 958398 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 316661  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 369338  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 379632  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 437455  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 536430  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 638738  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 665191  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 725213  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 766413  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 860149  | null     | null      | null    | unlabelled |         | 0     |
 | 860150  | v1:6     | ethernet1 | 1234::1 | 766998     |         | 1280  |
 | 860151  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 860152  | v1:6     | ethernet2 | 1235::3 | 446122     |         | 640   |
 | 860153  | v1:6     | ethernet2 | 1235::3 | 446123     |         | 640   |
 | 860154  | null     | null      | null    | unlabelled |         | 0     |
 | 860155  | null     | null      | null    | unlabelled |         | 0     |
 | 860156  | null     | null      | null    | unlabelled |         | 0     |
 | 860157  | null     | null      | null    | unlabelled |         | 0     |
 | 860158  | null     | null      | null    | unlabelled |         | 0     |
 | 913560  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1012371 | null     | null      | null    | unlabelled |         | 0     |
 | 1012372 | v1:4     | ethernet1 | 1.1.1.1 | 364942     |         | 1280  |
 | 1012373 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1012374 | v1:4     | ethernet2 | 1.1.2.3 | 138624     |         | 640   |
 | 1012375 | v1:4     | ethernet2 | 1.1.2.3 | 138625     |         | 640   |
 | 1012376 | null     | null      | null    | unlabelled |         | 0     |
 | 1012377 | null     | null      | null    | unlabelled |         | 0     |
 | 1012378 | null     | null      | null    | unlabelled |         | 0     |
 | 1012379 | null     | null      | null    | unlabelled |         | 0     |
 | 1012380 | null     | null      | null    | unlabelled |         | 0     |
 | 1033944 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1036001 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 1846   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 95716  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 138621 | null     | null      | null    | unlabelled |         | 0     |
 | 138622 | v1:4     | ethernet1 | 1.1.2.2 | 1012372    |         | 640   |
 | 138623 | v1:4     | ethernet1 | 1.1.2.2 | 1012373    |         | 640   |
 | 138624 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 138625 | v1:4     | ethernet2 | 1.1.3.4 | 969581     |         | 1280  |
 | 138626 | null     | null      | null    | unlabelled |         | 0     |
 | 138627 | null     | null      | null    | unlabelled |         | 0     |
 | 138628 | null     | null      | null    | unlabelled |         | 0     |
 | 138629 | null     | null      | null    | unlabelled |         | 0     |
 | 138630 | null     | null      | null    | unlabelled |         | 0     |
 | 163616 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 227415 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 300178 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 312855 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 446119 | null     | null      | null    | unlabelled |         | 0     |
 | 446120 | v1:6     | ethernet1 | 1235::2 | 860150     |         | 640   |
 | 446121 | v1:6     | ethernet1 | 1235::2 | 860151     |         | 640   |
 | 446122 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 446123 | v1:6     | ethernet2 | 1236::4 | 862668     |         | 1280  |
 | 446124 | null     | null      | null    | unlabelled |         | 0     |
 | 446125 | null     | null      | null    | unlabelled |         | 0     |
 | 446126 | null     | null      | null    | unlabelled |         | 0     |
 | 446127 | null     | null      | null    | unlabelled |         | 0     |
 | 446128 | null     | null      | null    | unlabelled |         | 0     |
 | 512477 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 698375 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 699761 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 722919 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 900793 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 926149 | v1:4     | ethernet2 | 1.1.3.4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 51374   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 57237   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 71624   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 171988  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 236178  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 290379  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 659829  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 718966  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 740886  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 862664  | null     | null      | null    | unlabelled |         | 0     |
 | 862665  | v1:6     | ethernet1 | 1236::3 | 446120     |         | 0     |
 | 862666  | v1:6     | ethernet1 | 1236::3 | 446121     |         | 0     |
 | 862667  | v1:6     | ethernet1 | 1236::3 | 446122     |         | 0     |
 | 862668  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 862669  | null     | null      | null    | unlabelled |         | 0     |
 | 862670  | null     | null      | null    | unlabelled |         | 0     |
 | 862671  | null     | null      | null    | unlabelled |         | 0     |
 | 862672  | null     | null      | null    | unlabelled |         | 0     |
 | 862673  | null     | null      | null    | unlabelled |         | 0     |
 | 969577  | null     | null      | null    | unlabelled |         | 0     |
 | 969578  | v1:4     | ethernet1 | 1.1.3.3 | 138622     |         | 0     |
 | 969579  | v1:4     | ethernet1 | 1.1.3.3 | 138623     |         | 0     |
 | 969580  | v1:4     | ethernet1 | 1.1.3.3 | 138624     |         | 0     |
 | 969581  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 969582  | null     | null      | null    | unlabelled |         | 0     |
 | 969583  | null     | null      | null    | unlabelled |         | 0     |
 | 969584  | null     | null      | null    | unlabelled |         | 0     |
 | 969585  | null     | null      | null    | unlabelled |         | 0     |
 | 969586  | null     | null      | null    | unlabelled |         | 0     |
 | 1036157 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#