here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 127286  | null     | null      | null    | unlabelled |         | 0     |
 | 127287  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 127288  | v1:6     | ethernet1 | 1234::2 | 677242     |         | 0     |
 | 127289  | v1:6     | ethernet1 | 1234::2 | 677243     |         | 0     |
 | 127290  | v1:6     | ethernet1 | 1234::2 | 677244     |         | 0     |
 | 127291  | null     | null      | null    | unlabelled |         | 0     |
 | 127292  | null     | null      | null    | unlabelled |         | 0     |
 | 127293  | null     | null      | null    | unlabelled |         | 0     |
 | 127294  | null     | null      | null    | unlabelled |         | 0     |
 | 127295  | null     | null      | null    | unlabelled |         | 0     |
 | 321387  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 442123  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 723451  | null     | null      | null    | unlabelled |         | 0     |
 | 723452  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 723453  | v1:4     | ethernet1 | 1.1.1.2 | 509045     |         | 0     |
 | 723454  | v1:4     | ethernet1 | 1.1.1.2 | 509046     |         | 0     |
 | 723455  | v1:4     | ethernet1 | 1.1.1.2 | 509047     |         | 0     |
 | 723456  | null     | null      | null    | unlabelled |         | 0     |
 | 723457  | null     | null      | null    | unlabelled |         | 0     |
 | 723458  | null     | null      | null    | unlabelled |         | 0     |
 | 723459  | null     | null      | null    | unlabelled |         | 0     |
 | 723460  | null     | null      | null    | unlabelled |         | 0     |
 | 747322  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 800487  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 886123  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1036650 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 38839  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 77288  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 297862 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 373531 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 509043 | null     | null      | null    | unlabelled |         | 0     |
 | 509044 | v1:4     | ethernet1 | 1.1.1.1 | 723452     |         | 1280  |
 | 509045 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 509046 | v1:4     | ethernet2 | 1.1.2.3 | 463454     |         | 640   |
 | 509047 | v1:4     | ethernet2 | 1.1.2.3 | 463455     |         | 640   |
 | 509048 | null     | null      | null    | unlabelled |         | 0     |
 | 509049 | null     | null      | null    | unlabelled |         | 0     |
 | 509050 | null     | null      | null    | unlabelled |         | 0     |
 | 509051 | null     | null      | null    | unlabelled |         | 0     |
 | 509052 | null     | null      | null    | unlabelled |         | 0     |
 | 677240 | null     | null      | null    | unlabelled |         | 0     |
 | 677241 | v1:6     | ethernet1 | 1234::1 | 127287     |         | 1280  |
 | 677242 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 677243 | v1:6     | ethernet2 | 1235::3 | 705910     |         | 640   |
 | 677244 | v1:6     | ethernet2 | 1235::3 | 705911     |         | 640   |
 | 677245 | null     | null      | null    | unlabelled |         | 0     |
 | 677246 | null     | null      | null    | unlabelled |         | 0     |
 | 677247 | null     | null      | null    | unlabelled |         | 0     |
 | 677248 | null     | null      | null    | unlabelled |         | 0     |
 | 677249 | null     | null      | null    | unlabelled |         | 0     |
 | 689589 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 757654 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 870474 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 981017 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 165307 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 389217 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 408106 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 428891 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 463451 | null     | null      | null    | unlabelled |         | 0     |
 | 463452 | v1:4     | ethernet1 | 1.1.2.2 | 509044     |         | 640   |
 | 463453 | v1:4     | ethernet1 | 1.1.2.2 | 509045     |         | 640   |
 | 463454 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 463455 | v1:4     | ethernet2 | 1.1.3.4 | 283769     |         | 1280  |
 | 463456 | null     | null      | null    | unlabelled |         | 0     |
 | 463457 | null     | null      | null    | unlabelled |         | 0     |
 | 463458 | null     | null      | null    | unlabelled |         | 0     |
 | 463459 | null     | null      | null    | unlabelled |         | 0     |
 | 463460 | null     | null      | null    | unlabelled |         | 0     |
 | 516433 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 705907 | null     | null      | null    | unlabelled |         | 0     |
 | 705908 | v1:6     | ethernet1 | 1235::2 | 677241     |         | 640   |
 | 705909 | v1:6     | ethernet1 | 1235::2 | 677242     |         | 640   |
 | 705910 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 705911 | v1:6     | ethernet2 | 1236::4 | 187163     |         | 1280  |
 | 705912 | null     | null      | null    | unlabelled |         | 0     |
 | 705913 | null     | null      | null    | unlabelled |         | 0     |
 | 705914 | null     | null      | null    | unlabelled |         | 0     |
 | 705915 | null     | null      | null    | unlabelled |         | 0     |
 | 705916 | null     | null      | null    | unlabelled |         | 0     |
 | 709389 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 795155 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 907007 | v1:6     | ethernet2 | 1236::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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 90420   | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 187159  | null     | null      | null    | unlabelled |         | 0     |
 | 187160  | v1:6     | ethernet1 | 1236::3 | 705908     |         | 0     |
 | 187161  | v1:6     | ethernet1 | 1236::3 | 705909     |         | 0     |
 | 187162  | v1:6     | ethernet1 | 1236::3 | 705910     |         | 0     |
 | 187163  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 187164  | null     | null      | null    | unlabelled |         | 0     |
 | 187165  | null     | null      | null    | unlabelled |         | 0     |
 | 187166  | null     | null      | null    | unlabelled |         | 0     |
 | 187167  | null     | null      | null    | unlabelled |         | 0     |
 | 187168  | null     | null      | null    | unlabelled |         | 0     |
 | 283765  | null     | null      | null    | unlabelled |         | 0     |
 | 283766  | v1:4     | ethernet1 | 1.1.3.3 | 463452     |         | 0     |
 | 283767  | v1:4     | ethernet1 | 1.1.3.3 | 463453     |         | 0     |
 | 283768  | v1:4     | ethernet1 | 1.1.3.3 | 463454     |         | 0     |
 | 283769  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 283770  | null     | null      | null    | unlabelled |         | 0     |
 | 283771  | null     | null      | null    | unlabelled |         | 0     |
 | 283772  | null     | null      | null    | unlabelled |         | 0     |
 | 283773  | null     | null      | null    | unlabelled |         | 0     |
 | 283774  | null     | null      | null    | unlabelled |         | 0     |
 | 294298  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 750295  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 839034  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 978452  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1036083 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#