here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 19323   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 37884   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 433019  | null     | null      | null    | unlabelled |         | 0     |
 | 433020  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 433021  | v1:6     | ethernet1 | 1234::2 | 1040811    |         | 0     |
 | 433022  | v1:6     | ethernet1 | 1234::2 | 1040812    |         | 0     |
 | 433023  | v1:6     | ethernet1 | 1234::2 | 1040813    |         | 0     |
 | 433024  | null     | null      | null    | unlabelled |         | 0     |
 | 433025  | null     | null      | null    | unlabelled |         | 0     |
 | 433026  | null     | null      | null    | unlabelled |         | 0     |
 | 433027  | null     | null      | null    | unlabelled |         | 0     |
 | 433028  | null     | null      | null    | unlabelled |         | 0     |
 | 570752  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 807913  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 827398  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1014431 | null     | null      | null    | unlabelled |         | 0     |
 | 1014432 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1014433 | v1:4     | ethernet1 | 1.1.1.2 | 774098     |         | 0     |
 | 1014434 | v1:4     | ethernet1 | 1.1.1.2 | 774099     |         | 0     |
 | 1014435 | v1:4     | ethernet1 | 1.1.1.2 | 774100     |         | 0     |
 | 1014436 | null     | null      | null    | unlabelled |         | 0     |
 | 1014437 | null     | null      | null    | unlabelled |         | 0     |
 | 1014438 | null     | null      | null    | unlabelled |         | 0     |
 | 1014439 | null     | null      | null    | unlabelled |         | 0     |
 | 1014440 | null     | null      | null    | unlabelled |         | 0     |
 | 1030895 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 52706   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 398917  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 438331  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 534783  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 578850  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 606876  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 648119  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 720508  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 774096  | null     | null      | null    | unlabelled |         | 0     |
 | 774097  | v1:4     | ethernet1 | 1.1.1.1 | 1014432    |         | 1280  |
 | 774098  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 774099  | v1:4     | ethernet2 | 1.1.2.3 | 135785     |         | 640   |
 | 774100  | v1:4     | ethernet2 | 1.1.2.3 | 135786     |         | 640   |
 | 774101  | null     | null      | null    | unlabelled |         | 0     |
 | 774102  | null     | null      | null    | unlabelled |         | 0     |
 | 774103  | null     | null      | null    | unlabelled |         | 0     |
 | 774104  | null     | null      | null    | unlabelled |         | 0     |
 | 774105  | null     | null      | null    | unlabelled |         | 0     |
 | 1040809 | null     | null      | null    | unlabelled |         | 0     |
 | 1040810 | v1:6     | ethernet1 | 1234::1 | 433020     |         | 1280  |
 | 1040811 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1040812 | v1:6     | ethernet2 | 1235::3 | 862609     |         | 640   |
 | 1040813 | v1:6     | ethernet2 | 1235::3 | 862610     |         | 640   |
 | 1040814 | null     | null      | null    | unlabelled |         | 0     |
 | 1040815 | null     | null      | null    | unlabelled |         | 0     |
 | 1040816 | null     | null      | null    | unlabelled |         | 0     |
 | 1040817 | null     | null      | null    | unlabelled |         | 0     |
 | 1040818 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 135782 | null     | null      | null    | unlabelled |         | 0     |
 | 135783 | v1:4     | ethernet1 | 1.1.2.2 | 774097     |         | 640   |
 | 135784 | v1:4     | ethernet1 | 1.1.2.2 | 774098     |         | 640   |
 | 135785 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 135786 | v1:4     | ethernet2 | 1.1.3.4 | 974560     |         | 1280  |
 | 135787 | null     | null      | null    | unlabelled |         | 0     |
 | 135788 | null     | null      | null    | unlabelled |         | 0     |
 | 135789 | null     | null      | null    | unlabelled |         | 0     |
 | 135790 | null     | null      | null    | unlabelled |         | 0     |
 | 135791 | null     | null      | null    | unlabelled |         | 0     |
 | 323260 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 414963 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 427317 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 430881 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 493514 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 595309 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 745814 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 862606 | null     | null      | null    | unlabelled |         | 0     |
 | 862607 | v1:6     | ethernet1 | 1235::2 | 1040810    |         | 640   |
 | 862608 | v1:6     | ethernet1 | 1235::2 | 1040811    |         | 640   |
 | 862609 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 862610 | v1:6     | ethernet2 | 1236::4 | 540523     |         | 1280  |
 | 862611 | null     | null      | null    | unlabelled |         | 0     |
 | 862612 | null     | null      | null    | unlabelled |         | 0     |
 | 862613 | null     | null      | null    | unlabelled |         | 0     |
 | 862614 | null     | null      | null    | unlabelled |         | 0     |
 | 862615 | null     | null      | null    | unlabelled |         | 0     |
 | 926478 | v1:4     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 131388  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 267659  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 413763  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 540519  | null     | null      | null    | unlabelled |         | 0     |
 | 540520  | v1:6     | ethernet1 | 1236::3 | 862607     |         | 0     |
 | 540521  | v1:6     | ethernet1 | 1236::3 | 862608     |         | 0     |
 | 540522  | v1:6     | ethernet1 | 1236::3 | 862609     |         | 0     |
 | 540523  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 540524  | null     | null      | null    | unlabelled |         | 0     |
 | 540525  | null     | null      | null    | unlabelled |         | 0     |
 | 540526  | null     | null      | null    | unlabelled |         | 0     |
 | 540527  | null     | null      | null    | unlabelled |         | 0     |
 | 540528  | null     | null      | null    | unlabelled |         | 0     |
 | 738281  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 775450  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 974556  | null     | null      | null    | unlabelled |         | 0     |
 | 974557  | v1:4     | ethernet1 | 1.1.3.3 | 135783     |         | 0     |
 | 974558  | v1:4     | ethernet1 | 1.1.3.3 | 135784     |         | 0     |
 | 974559  | v1:4     | ethernet1 | 1.1.3.3 | 135785     |         | 0     |
 | 974560  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 974561  | null     | null      | null    | unlabelled |         | 0     |
 | 974562  | null     | null      | null    | unlabelled |         | 0     |
 | 974563  | null     | null      | null    | unlabelled |         | 0     |
 | 974564  | null     | null      | null    | unlabelled |         | 0     |
 | 974565  | null     | null      | null    | unlabelled |         | 0     |
 | 1034031 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#