here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 16336   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 17575   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 70486   | null     | null      | null    | unlabelled |         | 0     |
 | 70487   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 70488   | v1:6     | ethernet1 | 1234::2 | 586037     |         | 0     |
 | 70489   | v1:6     | ethernet1 | 1234::2 | 586038     |         | 0     |
 | 70490   | v1:6     | ethernet1 | 1234::2 | 586039     |         | 0     |
 | 70491   | null     | null      | null    | unlabelled |         | 0     |
 | 70492   | null     | null      | null    | unlabelled |         | 0     |
 | 70493   | null     | null      | null    | unlabelled |         | 0     |
 | 70494   | null     | null      | null    | unlabelled |         | 0     |
 | 70495   | null     | null      | null    | unlabelled |         | 0     |
 | 190462  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 368111  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 627697  | null     | null      | null    | unlabelled |         | 0     |
 | 627698  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 627699  | v1:4     | ethernet1 | 1.1.1.2 | 431759     |         | 0     |
 | 627700  | v1:4     | ethernet1 | 1.1.1.2 | 431760     |         | 0     |
 | 627701  | v1:4     | ethernet1 | 1.1.1.2 | 431761     |         | 0     |
 | 627702  | null     | null      | null    | unlabelled |         | 0     |
 | 627703  | null     | null      | null    | unlabelled |         | 0     |
 | 627704  | null     | null      | null    | unlabelled |         | 0     |
 | 627705  | null     | null      | null    | unlabelled |         | 0     |
 | 627706  | null     | null      | null    | unlabelled |         | 0     |
 | 647966  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 668121  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 692547  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 854378  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 988205  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1018210 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 235502 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 347013 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 388668 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 402603 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 431757 | null     | null      | null    | unlabelled |         | 0     |
 | 431758 | v1:4     | ethernet1 | 1.1.1.1 | 627698     |         | 1280  |
 | 431759 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 431760 | v1:4     | ethernet2 | 1.1.2.3 | 354896     |         | 640   |
 | 431761 | v1:4     | ethernet2 | 1.1.2.3 | 354897     |         | 640   |
 | 431762 | null     | null      | null    | unlabelled |         | 0     |
 | 431763 | null     | null      | null    | unlabelled |         | 0     |
 | 431764 | null     | null      | null    | unlabelled |         | 0     |
 | 431765 | null     | null      | null    | unlabelled |         | 0     |
 | 431766 | null     | null      | null    | unlabelled |         | 0     |
 | 555781 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 572516 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 586035 | null     | null      | null    | unlabelled |         | 0     |
 | 586036 | v1:6     | ethernet1 | 1234::1 | 70487      |         | 1280  |
 | 586037 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 586038 | v1:6     | ethernet2 | 1235::3 | 156767     |         | 640   |
 | 586039 | v1:6     | ethernet2 | 1235::3 | 156768     |         | 640   |
 | 586040 | null     | null      | null    | unlabelled |         | 0     |
 | 586041 | null     | null      | null    | unlabelled |         | 0     |
 | 586042 | null     | null      | null    | unlabelled |         | 0     |
 | 586043 | null     | null      | null    | unlabelled |         | 0     |
 | 586044 | null     | null      | null    | unlabelled |         | 0     |
 | 660846 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 672048 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 731076 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 832073 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 948159 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 955243 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 22554   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 93443   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 104879  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 156764  | null     | null      | null    | unlabelled |         | 0     |
 | 156765  | v1:6     | ethernet1 | 1235::2 | 586036     |         | 640   |
 | 156766  | v1:6     | ethernet1 | 1235::2 | 586037     |         | 640   |
 | 156767  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 156768  | v1:6     | ethernet2 | 1236::4 | 898805     |         | 1280  |
 | 156769  | null     | null      | null    | unlabelled |         | 0     |
 | 156770  | null     | null      | null    | unlabelled |         | 0     |
 | 156771  | null     | null      | null    | unlabelled |         | 0     |
 | 156772  | null     | null      | null    | unlabelled |         | 0     |
 | 156773  | null     | null      | null    | unlabelled |         | 0     |
 | 209432  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 253987  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 354893  | null     | null      | null    | unlabelled |         | 0     |
 | 354894  | v1:4     | ethernet1 | 1.1.2.2 | 431758     |         | 640   |
 | 354895  | v1:4     | ethernet1 | 1.1.2.2 | 431759     |         | 640   |
 | 354896  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 354897  | v1:4     | ethernet2 | 1.1.3.4 | 774233     |         | 1280  |
 | 354898  | null     | null      | null    | unlabelled |         | 0     |
 | 354899  | null     | null      | null    | unlabelled |         | 0     |
 | 354900  | null     | null      | null    | unlabelled |         | 0     |
 | 354901  | null     | null      | null    | unlabelled |         | 0     |
 | 354902  | null     | null      | null    | unlabelled |         | 0     |
 | 411040  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 510412  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 623421  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 702177  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 876233  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 930955  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1015861 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 40760  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 323792 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 347292 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 396503 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 632164 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 667732 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 774229 | null     | null      | null    | unlabelled |         | 0     |
 | 774230 | v1:4     | ethernet1 | 1.1.3.3 | 354894     |         | 0     |
 | 774231 | v1:4     | ethernet1 | 1.1.3.3 | 354895     |         | 0     |
 | 774232 | v1:4     | ethernet1 | 1.1.3.3 | 354896     |         | 0     |
 | 774233 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 774234 | null     | null      | null    | unlabelled |         | 0     |
 | 774235 | null     | null      | null    | unlabelled |         | 0     |
 | 774236 | null     | null      | null    | unlabelled |         | 0     |
 | 774237 | null     | null      | null    | unlabelled |         | 0     |
 | 774238 | null     | null      | null    | unlabelled |         | 0     |
 | 779439 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 861871 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 898801 | null     | null      | null    | unlabelled |         | 0     |
 | 898802 | v1:6     | ethernet1 | 1236::3 | 156765     |         | 0     |
 | 898803 | v1:6     | ethernet1 | 1236::3 | 156766     |         | 0     |
 | 898804 | v1:6     | ethernet1 | 1236::3 | 156767     |         | 0     |
 | 898805 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 898806 | null     | null      | null    | unlabelled |         | 0     |
 | 898807 | null     | null      | null    | unlabelled |         | 0     |
 | 898808 | null     | null      | null    | unlabelled |         | 0     |
 | 898809 | null     | null      | null    | unlabelled |         | 0     |
 | 898810 | null     | null      | null    | unlabelled |         | 0     |
 | 911575 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 960247 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#