here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 59510  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 172599 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 204776 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 272951 | null     | null      | null    | unlabelled |         | 0     |
 | 272952 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 272953 | v1:6     | ethernet1 | 1234::2 | 122491     |         | 0     |
 | 272954 | v1:6     | ethernet1 | 1234::2 | 122492     |         | 0     |
 | 272955 | v1:6     | ethernet1 | 1234::2 | 122493     |         | 0     |
 | 272956 | null     | null      | null    | unlabelled |         | 0     |
 | 272957 | null     | null      | null    | unlabelled |         | 0     |
 | 272958 | null     | null      | null    | unlabelled |         | 0     |
 | 272959 | null     | null      | null    | unlabelled |         | 0     |
 | 272960 | null     | null      | null    | unlabelled |         | 0     |
 | 399332 | null     | null      | null    | unlabelled |         | 0     |
 | 399333 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 399334 | v1:4     | ethernet1 | 1.1.1.2 | 628439     |         | 0     |
 | 399335 | v1:4     | ethernet1 | 1.1.1.2 | 628440     |         | 0     |
 | 399336 | v1:4     | ethernet1 | 1.1.1.2 | 628441     |         | 0     |
 | 399337 | null     | null      | null    | unlabelled |         | 0     |
 | 399338 | null     | null      | null    | unlabelled |         | 0     |
 | 399339 | null     | null      | null    | unlabelled |         | 0     |
 | 399340 | null     | null      | null    | unlabelled |         | 0     |
 | 399341 | null     | null      | null    | unlabelled |         | 0     |
 | 509124 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 640759 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 799330 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 23943   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 91627   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 122489  | null     | null      | null    | unlabelled |         | 0     |
 | 122490  | v1:6     | ethernet1 | 1234::1 | 272952     |         | 1280  |
 | 122491  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 122492  | v1:6     | ethernet2 | 1235::3 | 880955     |         | 640   |
 | 122493  | v1:6     | ethernet2 | 1235::3 | 880956     |         | 640   |
 | 122494  | null     | null      | null    | unlabelled |         | 0     |
 | 122495  | null     | null      | null    | unlabelled |         | 0     |
 | 122496  | null     | null      | null    | unlabelled |         | 0     |
 | 122497  | null     | null      | null    | unlabelled |         | 0     |
 | 122498  | null     | null      | null    | unlabelled |         | 0     |
 | 448096  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 457645  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 628437  | null     | null      | null    | unlabelled |         | 0     |
 | 628438  | v1:4     | ethernet1 | 1.1.1.1 | 399333     |         | 1280  |
 | 628439  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 628440  | v1:4     | ethernet2 | 1.1.2.3 | 541097     |         | 640   |
 | 628441  | v1:4     | ethernet2 | 1.1.2.3 | 541098     |         | 640   |
 | 628442  | null     | null      | null    | unlabelled |         | 0     |
 | 628443  | null     | null      | null    | unlabelled |         | 0     |
 | 628444  | null     | null      | null    | unlabelled |         | 0     |
 | 628445  | null     | null      | null    | unlabelled |         | 0     |
 | 628446  | null     | null      | null    | unlabelled |         | 0     |
 | 679915  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 769323  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 947084  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1034409 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 211321  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 382463  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 529035  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 541094  | null     | null      | null    | unlabelled |         | 0     |
 | 541095  | v1:4     | ethernet1 | 1.1.2.2 | 628438     |         | 640   |
 | 541096  | v1:4     | ethernet1 | 1.1.2.2 | 628439     |         | 640   |
 | 541097  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 541098  | v1:4     | ethernet2 | 1.1.3.4 | 515113     |         | 1280  |
 | 541099  | null     | null      | null    | unlabelled |         | 0     |
 | 541100  | null     | null      | null    | unlabelled |         | 0     |
 | 541101  | null     | null      | null    | unlabelled |         | 0     |
 | 541102  | null     | null      | null    | unlabelled |         | 0     |
 | 541103  | null     | null      | null    | unlabelled |         | 0     |
 | 683558  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 709707  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 755167  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 880952  | null     | null      | null    | unlabelled |         | 0     |
 | 880953  | v1:6     | ethernet1 | 1235::2 | 122490     |         | 640   |
 | 880954  | v1:6     | ethernet1 | 1235::2 | 122491     |         | 640   |
 | 880955  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 880956  | v1:6     | ethernet2 | 1236::4 | 526603     |         | 1280  |
 | 880957  | null     | null      | null    | unlabelled |         | 0     |
 | 880958  | null     | null      | null    | unlabelled |         | 0     |
 | 880959  | null     | null      | null    | unlabelled |         | 0     |
 | 880960  | null     | null      | null    | unlabelled |         | 0     |
 | 880961  | null     | null      | null    | unlabelled |         | 0     |
 | 896923  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1028400 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 158097 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 216366 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 354870 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 515109 | null     | null      | null    | unlabelled |         | 0     |
 | 515110 | v1:4     | ethernet1 | 1.1.3.3 | 541095     |         | 0     |
 | 515111 | v1:4     | ethernet1 | 1.1.3.3 | 541096     |         | 0     |
 | 515112 | v1:4     | ethernet1 | 1.1.3.3 | 541097     |         | 0     |
 | 515113 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 515114 | null     | null      | null    | unlabelled |         | 0     |
 | 515115 | null     | null      | null    | unlabelled |         | 0     |
 | 515116 | null     | null      | null    | unlabelled |         | 0     |
 | 515117 | null     | null      | null    | unlabelled |         | 0     |
 | 515118 | null     | null      | null    | unlabelled |         | 0     |
 | 526599 | null     | null      | null    | unlabelled |         | 0     |
 | 526600 | v1:6     | ethernet1 | 1236::3 | 880953     |         | 0     |
 | 526601 | v1:6     | ethernet1 | 1236::3 | 880954     |         | 0     |
 | 526602 | v1:6     | ethernet1 | 1236::3 | 880955     |         | 0     |
 | 526603 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 526604 | null     | null      | null    | unlabelled |         | 0     |
 | 526605 | null     | null      | null    | unlabelled |         | 0     |
 | 526606 | null     | null      | null    | unlabelled |         | 0     |
 | 526607 | null     | null      | null    | unlabelled |         | 0     |
 | 526608 | null     | null      | null    | unlabelled |         | 0     |
 | 572742 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 696067 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 857456 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#