here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 150742 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 329950 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 359977 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 377757 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 394024 | null     | null      | null    | unlabelled |         | 0     |
 | 394025 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 394026 | v1:4     | ethernet1 | 1.1.1.2 | 900562     |         | 0     |
 | 394027 | v1:4     | ethernet1 | 1.1.1.2 | 900563     |         | 0     |
 | 394028 | v1:4     | ethernet1 | 1.1.1.2 | 900564     |         | 0     |
 | 394029 | null     | null      | null    | unlabelled |         | 0     |
 | 394030 | null     | null      | null    | unlabelled |         | 0     |
 | 394031 | null     | null      | null    | unlabelled |         | 0     |
 | 394032 | null     | null      | null    | unlabelled |         | 0     |
 | 394033 | null     | null      | null    | unlabelled |         | 0     |
 | 397559 | null     | null      | null    | unlabelled |         | 0     |
 | 397560 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 397561 | v1:6     | ethernet1 | 1234::2 | 192411     |         | 0     |
 | 397562 | v1:6     | ethernet1 | 1234::2 | 192412     |         | 0     |
 | 397563 | v1:6     | ethernet1 | 1234::2 | 192413     |         | 0     |
 | 397564 | null     | null      | null    | unlabelled |         | 0     |
 | 397565 | null     | null      | null    | unlabelled |         | 0     |
 | 397566 | null     | null      | null    | unlabelled |         | 0     |
 | 397567 | null     | null      | null    | unlabelled |         | 0     |
 | 397568 | null     | null      | null    | unlabelled |         | 0     |
 | 601233 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 669964 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 739457 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 819773 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 848339 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 973262 | tester:4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 192409 | null     | null      | null    | unlabelled |         | 0     |
 | 192410 | v1:6     | ethernet1 | 1234::1 | 397560     |         | 1280  |
 | 192411 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 192412 | v1:6     | ethernet2 | 1235::3 | 866690     |         | 640   |
 | 192413 | v1:6     | ethernet2 | 1235::3 | 866691     |         | 640   |
 | 192414 | null     | null      | null    | unlabelled |         | 0     |
 | 192415 | null     | null      | null    | unlabelled |         | 0     |
 | 192416 | null     | null      | null    | unlabelled |         | 0     |
 | 192417 | null     | null      | null    | unlabelled |         | 0     |
 | 192418 | null     | null      | null    | unlabelled |         | 0     |
 | 199255 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 283214 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 333955 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 386132 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 468207 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 518369 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 700223 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 831458 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 900560 | null     | null      | null    | unlabelled |         | 0     |
 | 900561 | v1:4     | ethernet1 | 1.1.1.1 | 394025     |         | 1280  |
 | 900562 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 900563 | v1:4     | ethernet2 | 1.1.2.3 | 307626     |         | 640   |
 | 900564 | v1:4     | ethernet2 | 1.1.2.3 | 307627     |         | 640   |
 | 900565 | null     | null      | null    | unlabelled |         | 0     |
 | 900566 | null     | null      | null    | unlabelled |         | 0     |
 | 900567 | null     | null      | null    | unlabelled |         | 0     |
 | 900568 | null     | null      | null    | unlabelled |         | 0     |
 | 900569 | null     | null      | null    | unlabelled |         | 0     |
 | 931050 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 958062 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 983272 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 984160 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 48494   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 189411  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 307623  | null     | null      | null    | unlabelled |         | 0     |
 | 307624  | v1:4     | ethernet1 | 1.1.2.2 | 900561     |         | 640   |
 | 307625  | v1:4     | ethernet1 | 1.1.2.2 | 900562     |         | 640   |
 | 307626  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 307627  | v1:4     | ethernet2 | 1.1.3.4 | 662225     |         | 1280  |
 | 307628  | null     | null      | null    | unlabelled |         | 0     |
 | 307629  | null     | null      | null    | unlabelled |         | 0     |
 | 307630  | null     | null      | null    | unlabelled |         | 0     |
 | 307631  | null     | null      | null    | unlabelled |         | 0     |
 | 307632  | null     | null      | null    | unlabelled |         | 0     |
 | 341132  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 366313  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 442846  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 552525  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 593324  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 632141  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 837957  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 866687  | null     | null      | null    | unlabelled |         | 0     |
 | 866688  | v1:6     | ethernet1 | 1235::2 | 192410     |         | 640   |
 | 866689  | v1:6     | ethernet1 | 1235::2 | 192411     |         | 640   |
 | 866690  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 866691  | v1:6     | ethernet2 | 1236::4 | 509524     |         | 1280  |
 | 866692  | null     | null      | null    | unlabelled |         | 0     |
 | 866693  | null     | null      | null    | unlabelled |         | 0     |
 | 866694  | null     | null      | null    | unlabelled |         | 0     |
 | 866695  | null     | null      | null    | unlabelled |         | 0     |
 | 866696  | null     | null      | null    | unlabelled |         | 0     |
 | 868414  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 940300  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1038232 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 44419   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 96156   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 177537  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 214462  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 230645  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 509520  | null     | null      | null    | unlabelled |         | 0     |
 | 509521  | v1:6     | ethernet1 | 1236::3 | 866688     |         | 0     |
 | 509522  | v1:6     | ethernet1 | 1236::3 | 866689     |         | 0     |
 | 509523  | v1:6     | ethernet1 | 1236::3 | 866690     |         | 0     |
 | 509524  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 509525  | null     | null      | null    | unlabelled |         | 0     |
 | 509526  | null     | null      | null    | unlabelled |         | 0     |
 | 509527  | null     | null      | null    | unlabelled |         | 0     |
 | 509528  | null     | null      | null    | unlabelled |         | 0     |
 | 509529  | null     | null      | null    | unlabelled |         | 0     |
 | 654783  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 662221  | null     | null      | null    | unlabelled |         | 0     |
 | 662222  | v1:4     | ethernet1 | 1.1.3.3 | 307624     |         | 0     |
 | 662223  | v1:4     | ethernet1 | 1.1.3.3 | 307625     |         | 0     |
 | 662224  | v1:4     | ethernet1 | 1.1.3.3 | 307626     |         | 0     |
 | 662225  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 662226  | null     | null      | null    | unlabelled |         | 0     |
 | 662227  | null     | null      | null    | unlabelled |         | 0     |
 | 662228  | null     | null      | null    | unlabelled |         | 0     |
 | 662229  | null     | null      | null    | unlabelled |         | 0     |
 | 662230  | null     | null      | null    | unlabelled |         | 0     |
 | 700576  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 792533  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 931746  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 1047206 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#