here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 280967 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 552481 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 607882 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 724897 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 869896 | null     | null      | null    | unlabelled |         | 0     |
 | 869897 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 869898 | v1:6     | ethernet1 | 1234::2 | 135051     |         | 0     |
 | 869899 | v1:6     | ethernet1 | 1234::2 | 135052     |         | 0     |
 | 869900 | v1:6     | ethernet1 | 1234::2 | 135053     |         | 0     |
 | 869901 | null     | null      | null    | unlabelled |         | 0     |
 | 869902 | null     | null      | null    | unlabelled |         | 0     |
 | 869903 | null     | null      | null    | unlabelled |         | 0     |
 | 869904 | null     | null      | null    | unlabelled |         | 0     |
 | 869905 | null     | null      | null    | unlabelled |         | 0     |
 | 903033 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 905467 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 961635 | null     | null      | null    | unlabelled |         | 0     |
 | 961636 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 961637 | v1:4     | ethernet1 | 1.1.1.2 | 356430     |         | 0     |
 | 961638 | v1:4     | ethernet1 | 1.1.1.2 | 356431     |         | 0     |
 | 961639 | v1:4     | ethernet1 | 1.1.1.2 | 356432     |         | 0     |
 | 961640 | null     | null      | null    | unlabelled |         | 0     |
 | 961641 | null     | null      | null    | unlabelled |         | 0     |
 | 961642 | null     | null      | null    | unlabelled |         | 0     |
 | 961643 | null     | null      | null    | unlabelled |         | 0     |
 | 961644 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 95590  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 118998 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 135049 | null     | null      | null    | unlabelled |         | 0     |
 | 135050 | v1:6     | ethernet1 | 1234::1 | 869897     |         | 1280  |
 | 135051 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 135052 | v1:6     | ethernet2 | 1235::3 | 596245     |         | 640   |
 | 135053 | v1:6     | ethernet2 | 1235::3 | 596246     |         | 640   |
 | 135054 | null     | null      | null    | unlabelled |         | 0     |
 | 135055 | null     | null      | null    | unlabelled |         | 0     |
 | 135056 | null     | null      | null    | unlabelled |         | 0     |
 | 135057 | null     | null      | null    | unlabelled |         | 0     |
 | 135058 | null     | null      | null    | unlabelled |         | 0     |
 | 322844 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 356428 | null     | null      | null    | unlabelled |         | 0     |
 | 356429 | v1:4     | ethernet1 | 1.1.1.1 | 961636     |         | 1280  |
 | 356430 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 356431 | v1:4     | ethernet2 | 1.1.2.3 | 257093     |         | 640   |
 | 356432 | v1:4     | ethernet2 | 1.1.2.3 | 257094     |         | 640   |
 | 356433 | null     | null      | null    | unlabelled |         | 0     |
 | 356434 | null     | null      | null    | unlabelled |         | 0     |
 | 356435 | null     | null      | null    | unlabelled |         | 0     |
 | 356436 | null     | null      | null    | unlabelled |         | 0     |
 | 356437 | null     | null      | null    | unlabelled |         | 0     |
 | 681721 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 698583 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 880865 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 932840 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 981199 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 189391 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 257090 | null     | null      | null    | unlabelled |         | 0     |
 | 257091 | v1:4     | ethernet1 | 1.1.2.2 | 356429     |         | 640   |
 | 257092 | v1:4     | ethernet1 | 1.1.2.2 | 356430     |         | 640   |
 | 257093 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 257094 | v1:4     | ethernet2 | 1.1.3.4 | 127182     |         | 1280  |
 | 257095 | null     | null      | null    | unlabelled |         | 0     |
 | 257096 | null     | null      | null    | unlabelled |         | 0     |
 | 257097 | null     | null      | null    | unlabelled |         | 0     |
 | 257098 | null     | null      | null    | unlabelled |         | 0     |
 | 257099 | null     | null      | null    | unlabelled |         | 0     |
 | 316108 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 543754 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 555012 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 596242 | null     | null      | null    | unlabelled |         | 0     |
 | 596243 | v1:6     | ethernet1 | 1235::2 | 135050     |         | 640   |
 | 596244 | v1:6     | ethernet1 | 1235::2 | 135051     |         | 640   |
 | 596245 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 596246 | v1:6     | ethernet2 | 1236::4 | 970650     |         | 1280  |
 | 596247 | null     | null      | null    | unlabelled |         | 0     |
 | 596248 | null     | null      | null    | unlabelled |         | 0     |
 | 596249 | null     | null      | null    | unlabelled |         | 0     |
 | 596250 | null     | null      | null    | unlabelled |         | 0     |
 | 596251 | null     | null      | null    | unlabelled |         | 0     |
 | 627507 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 634715 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 711110 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 878077 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 127178 | null     | null      | null    | unlabelled |         | 0     |
 | 127179 | v1:4     | ethernet1 | 1.1.3.3 | 257091     |         | 0     |
 | 127180 | v1:4     | ethernet1 | 1.1.3.3 | 257092     |         | 0     |
 | 127181 | v1:4     | ethernet1 | 1.1.3.3 | 257093     |         | 0     |
 | 127182 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 127183 | null     | null      | null    | unlabelled |         | 0     |
 | 127184 | null     | null      | null    | unlabelled |         | 0     |
 | 127185 | null     | null      | null    | unlabelled |         | 0     |
 | 127186 | null     | null      | null    | unlabelled |         | 0     |
 | 127187 | null     | null      | null    | unlabelled |         | 0     |
 | 260687 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 361030 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 475408 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 511543 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 867747 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 909515 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 970646 | null     | null      | null    | unlabelled |         | 0     |
 | 970647 | v1:6     | ethernet1 | 1236::3 | 596243     |         | 0     |
 | 970648 | v1:6     | ethernet1 | 1236::3 | 596244     |         | 0     |
 | 970649 | v1:6     | ethernet1 | 1236::3 | 596245     |         | 0     |
 | 970650 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 970651 | null     | null      | null    | unlabelled |         | 0     |
 | 970652 | null     | null      | null    | unlabelled |         | 0     |
 | 970653 | null     | null      | null    | unlabelled |         | 0     |
 | 970654 | null     | null      | null    | unlabelled |         | 0     |
 | 970655 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#