here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 15264  | null     | null      | null    | unlabelled |         | 0     |
 | 15265  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 15266  | v1:6     | ethernet1 | 1234::2 | 664252     |         | 0     |
 | 15267  | v1:6     | ethernet1 | 1234::2 | 664253     |         | 0     |
 | 15268  | v1:6     | ethernet1 | 1234::2 | 664254     |         | 0     |
 | 15269  | null     | null      | null    | unlabelled |         | 0     |
 | 15270  | null     | null      | null    | unlabelled |         | 0     |
 | 15271  | null     | null      | null    | unlabelled |         | 0     |
 | 15272  | null     | null      | null    | unlabelled |         | 0     |
 | 15273  | null     | null      | null    | unlabelled |         | 0     |
 | 40313  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 42442  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 211103 | null     | null      | null    | unlabelled |         | 0     |
 | 211104 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 211105 | v1:4     | ethernet1 | 1.1.1.2 | 699262     |         | 0     |
 | 211106 | v1:4     | ethernet1 | 1.1.1.2 | 699263     |         | 0     |
 | 211107 | v1:4     | ethernet1 | 1.1.1.2 | 699264     |         | 0     |
 | 211108 | null     | null      | null    | unlabelled |         | 0     |
 | 211109 | null     | null      | null    | unlabelled |         | 0     |
 | 211110 | null     | null      | null    | unlabelled |         | 0     |
 | 211111 | null     | null      | null    | unlabelled |         | 0     |
 | 211112 | null     | null      | null    | unlabelled |         | 0     |
 | 498167 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 511966 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 570325 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 694227 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 119768  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 250701  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 497757  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 653091  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 664250  | null     | null      | null    | unlabelled |         | 0     |
 | 664251  | v1:6     | ethernet1 | 1234::1 | 15265      |         | 1280  |
 | 664252  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 664253  | v1:6     | ethernet2 | 1235::3 | 491370     |         | 640   |
 | 664254  | v1:6     | ethernet2 | 1235::3 | 491371     |         | 640   |
 | 664255  | null     | null      | null    | unlabelled |         | 0     |
 | 664256  | null     | null      | null    | unlabelled |         | 0     |
 | 664257  | null     | null      | null    | unlabelled |         | 0     |
 | 664258  | null     | null      | null    | unlabelled |         | 0     |
 | 664259  | null     | null      | null    | unlabelled |         | 0     |
 | 699260  | null     | null      | null    | unlabelled |         | 0     |
 | 699261  | v1:4     | ethernet1 | 1.1.1.1 | 211104     |         | 1280  |
 | 699262  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 699263  | v1:4     | ethernet2 | 1.1.2.3 | 15778      |         | 640   |
 | 699264  | v1:4     | ethernet2 | 1.1.2.3 | 15779      |         | 640   |
 | 699265  | null     | null      | null    | unlabelled |         | 0     |
 | 699266  | null     | null      | null    | unlabelled |         | 0     |
 | 699267  | null     | null      | null    | unlabelled |         | 0     |
 | 699268  | null     | null      | null    | unlabelled |         | 0     |
 | 699269  | null     | null      | null    | unlabelled |         | 0     |
 | 762951  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 820581  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 905240  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1021941 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 15775  | null     | null      | null    | unlabelled |         | 0     |
 | 15776  | v1:4     | ethernet1 | 1.1.2.2 | 699261     |         | 640   |
 | 15777  | v1:4     | ethernet1 | 1.1.2.2 | 699262     |         | 640   |
 | 15778  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 15779  | v1:4     | ethernet2 | 1.1.3.4 | 226833     |         | 1280  |
 | 15780  | null     | null      | null    | unlabelled |         | 0     |
 | 15781  | null     | null      | null    | unlabelled |         | 0     |
 | 15782  | null     | null      | null    | unlabelled |         | 0     |
 | 15783  | null     | null      | null    | unlabelled |         | 0     |
 | 15784  | null     | null      | null    | unlabelled |         | 0     |
 | 491367 | null     | null      | null    | unlabelled |         | 0     |
 | 491368 | v1:6     | ethernet1 | 1235::2 | 664251     |         | 640   |
 | 491369 | v1:6     | ethernet1 | 1235::2 | 664252     |         | 640   |
 | 491370 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 491371 | v1:6     | ethernet2 | 1236::4 | 840041     |         | 1280  |
 | 491372 | null     | null      | null    | unlabelled |         | 0     |
 | 491373 | null     | null      | null    | unlabelled |         | 0     |
 | 491374 | null     | null      | null    | unlabelled |         | 0     |
 | 491375 | null     | null      | null    | unlabelled |         | 0     |
 | 491376 | null     | null      | null    | unlabelled |         | 0     |
 | 605341 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 618131 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 635814 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 649072 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 722421 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 829699 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 857396 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 921456 | v1:4     | ethernet2 | 1.1.3.4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 199631 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 226829 | null     | null      | null    | unlabelled |         | 0     |
 | 226830 | v1:4     | ethernet1 | 1.1.3.3 | 15776      |         | 0     |
 | 226831 | v1:4     | ethernet1 | 1.1.3.3 | 15777      |         | 0     |
 | 226832 | v1:4     | ethernet1 | 1.1.3.3 | 15778      |         | 0     |
 | 226833 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 226834 | null     | null      | null    | unlabelled |         | 0     |
 | 226835 | null     | null      | null    | unlabelled |         | 0     |
 | 226836 | null     | null      | null    | unlabelled |         | 0     |
 | 226837 | null     | null      | null    | unlabelled |         | 0     |
 | 226838 | null     | null      | null    | unlabelled |         | 0     |
 | 391074 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 505343 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 755434 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 835330 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 838706 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 840037 | null     | null      | null    | unlabelled |         | 0     |
 | 840038 | v1:6     | ethernet1 | 1236::3 | 491368     |         | 0     |
 | 840039 | v1:6     | ethernet1 | 1236::3 | 491369     |         | 0     |
 | 840040 | v1:6     | ethernet1 | 1236::3 | 491370     |         | 0     |
 | 840041 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 840042 | null     | null      | null    | unlabelled |         | 0     |
 | 840043 | null     | null      | null    | unlabelled |         | 0     |
 | 840044 | null     | null      | null    | unlabelled |         | 0     |
 | 840045 | null     | null      | null    | unlabelled |         | 0     |
 | 840046 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#