here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 1159   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 38620  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 63557  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 201574 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 277636 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 338539 | null     | null      | null    | unlabelled |         | 0     |
 | 338540 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 338541 | v1:4     | ethernet1 | 1.1.1.2 | 439312     |         | 0     |
 | 338542 | v1:4     | ethernet1 | 1.1.1.2 | 439313     |         | 0     |
 | 338543 | v1:4     | ethernet1 | 1.1.1.2 | 439314     |         | 0     |
 | 338544 | null     | null      | null    | unlabelled |         | 0     |
 | 338545 | null     | null      | null    | unlabelled |         | 0     |
 | 338546 | null     | null      | null    | unlabelled |         | 0     |
 | 338547 | null     | null      | null    | unlabelled |         | 0     |
 | 338548 | null     | null      | null    | unlabelled |         | 0     |
 | 439904 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 461564 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 904070 | null     | null      | null    | unlabelled |         | 0     |
 | 904071 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 904072 | v1:6     | ethernet1 | 1234::2 | 1003718    |         | 0     |
 | 904073 | v1:6     | ethernet1 | 1234::2 | 1003719    |         | 0     |
 | 904074 | v1:6     | ethernet1 | 1234::2 | 1003720    |         | 0     |
 | 904075 | null     | null      | null    | unlabelled |         | 0     |
 | 904076 | null     | null      | null    | unlabelled |         | 0     |
 | 904077 | null     | null      | null    | unlabelled |         | 0     |
 | 904078 | null     | null      | null    | unlabelled |         | 0     |
 | 904079 | null     | null      | null    | unlabelled |         | 0     |
 | 932610 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 934118 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 974835 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 116884  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 232658  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 291459  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 434998  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 439310  | null     | null      | null    | unlabelled |         | 0     |
 | 439311  | v1:4     | ethernet1 | 1.1.1.1 | 338540     |         | 1280  |
 | 439312  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 439313  | v1:4     | ethernet2 | 1.1.2.3 | 867705     |         | 640   |
 | 439314  | v1:4     | ethernet2 | 1.1.2.3 | 867706     |         | 640   |
 | 439315  | null     | null      | null    | unlabelled |         | 0     |
 | 439316  | null     | null      | null    | unlabelled |         | 0     |
 | 439317  | null     | null      | null    | unlabelled |         | 0     |
 | 439318  | null     | null      | null    | unlabelled |         | 0     |
 | 439319  | null     | null      | null    | unlabelled |         | 0     |
 | 601891  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 625137  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 731924  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 736639  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 830536  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 877408  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 908696  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 939957  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1003716 | null     | null      | null    | unlabelled |         | 0     |
 | 1003717 | v1:6     | ethernet1 | 1234::1 | 904071     |         | 1280  |
 | 1003718 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1003719 | v1:6     | ethernet2 | 1235::3 | 792348     |         | 640   |
 | 1003720 | v1:6     | ethernet2 | 1235::3 | 792349     |         | 640   |
 | 1003721 | null     | null      | null    | unlabelled |         | 0     |
 | 1003722 | null     | null      | null    | unlabelled |         | 0     |
 | 1003723 | null     | null      | null    | unlabelled |         | 0     |
 | 1003724 | null     | null      | null    | unlabelled |         | 0     |
 | 1003725 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 2572   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 50485  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 68408  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 128120 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 131708 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 329622 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 435789 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 584401 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 668538 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 722033 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 792345 | null     | null      | null    | unlabelled |         | 0     |
 | 792346 | v1:6     | ethernet1 | 1235::2 | 1003717    |         | 640   |
 | 792347 | v1:6     | ethernet1 | 1235::2 | 1003718    |         | 640   |
 | 792348 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 792349 | v1:6     | ethernet2 | 1236::4 | 914549     |         | 1280  |
 | 792350 | null     | null      | null    | unlabelled |         | 0     |
 | 792351 | null     | null      | null    | unlabelled |         | 0     |
 | 792352 | null     | null      | null    | unlabelled |         | 0     |
 | 792353 | null     | null      | null    | unlabelled |         | 0     |
 | 792354 | null     | null      | null    | unlabelled |         | 0     |
 | 867702 | null     | null      | null    | unlabelled |         | 0     |
 | 867703 | v1:4     | ethernet1 | 1.1.2.2 | 439311     |         | 640   |
 | 867704 | v1:4     | ethernet1 | 1.1.2.2 | 439312     |         | 640   |
 | 867705 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 867706 | v1:4     | ethernet2 | 1.1.3.4 | 742353     |         | 1280  |
 | 867707 | null     | null      | null    | unlabelled |         | 0     |
 | 867708 | null     | null      | null    | unlabelled |         | 0     |
 | 867709 | null     | null      | null    | unlabelled |         | 0     |
 | 867710 | null     | null      | null    | unlabelled |         | 0     |
 | 867711 | null     | null      | null    | unlabelled |         | 0     |
 | 963775 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 974440 | v1:4     | ethernet1 | 1.1.2.2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 39814  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 55889  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 175156 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 309535 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 325680 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 327925 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 358092 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 517075 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 742349 | null     | null      | null    | unlabelled |         | 0     |
 | 742350 | v1:4     | ethernet1 | 1.1.3.3 | 867703     |         | 0     |
 | 742351 | v1:4     | ethernet1 | 1.1.3.3 | 867704     |         | 0     |
 | 742352 | v1:4     | ethernet1 | 1.1.3.3 | 867705     |         | 0     |
 | 742353 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 742354 | null     | null      | null    | unlabelled |         | 0     |
 | 742355 | null     | null      | null    | unlabelled |         | 0     |
 | 742356 | null     | null      | null    | unlabelled |         | 0     |
 | 742357 | null     | null      | null    | unlabelled |         | 0     |
 | 742358 | null     | null      | null    | unlabelled |         | 0     |
 | 767561 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 914545 | null     | null      | null    | unlabelled |         | 0     |
 | 914546 | v1:6     | ethernet1 | 1236::3 | 792346     |         | 0     |
 | 914547 | v1:6     | ethernet1 | 1236::3 | 792347     |         | 0     |
 | 914548 | v1:6     | ethernet1 | 1236::3 | 792348     |         | 0     |
 | 914549 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 914550 | null     | null      | null    | unlabelled |         | 0     |
 | 914551 | null     | null      | null    | unlabelled |         | 0     |
 | 914552 | null     | null      | null    | unlabelled |         | 0     |
 | 914553 | null     | null      | null    | unlabelled |         | 0     |
 | 914554 | null     | null      | null    | unlabelled |         | 0     |
 | 998921 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#