here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 91587   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 215918  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 514205  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 543956  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 655681  | null     | null      | null    | unlabelled |         | 0     |
 | 655682  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 655683  | v1:6     | ethernet1 | 1234::2 | 268861     |         | 0     |
 | 655684  | v1:6     | ethernet1 | 1234::2 | 268862     |         | 0     |
 | 655685  | v1:6     | ethernet1 | 1234::2 | 268863     |         | 0     |
 | 655686  | null     | null      | null    | unlabelled |         | 0     |
 | 655687  | null     | null      | null    | unlabelled |         | 0     |
 | 655688  | null     | null      | null    | unlabelled |         | 0     |
 | 655689  | null     | null      | null    | unlabelled |         | 0     |
 | 655690  | null     | null      | null    | unlabelled |         | 0     |
 | 724124  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 793215  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 900800  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 961760  | null     | null      | null    | unlabelled |         | 0     |
 | 961761  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 961762  | v1:4     | ethernet1 | 1.1.1.2 | 913004     |         | 0     |
 | 961763  | v1:4     | ethernet1 | 1.1.1.2 | 913005     |         | 0     |
 | 961764  | v1:4     | ethernet1 | 1.1.1.2 | 913006     |         | 0     |
 | 961765  | null     | null      | null    | unlabelled |         | 0     |
 | 961766  | null     | null      | null    | unlabelled |         | 0     |
 | 961767  | null     | null      | null    | unlabelled |         | 0     |
 | 961768  | null     | null      | null    | unlabelled |         | 0     |
 | 961769  | null     | null      | null    | unlabelled |         | 0     |
 | 972499  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 988674  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1045605 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 91173   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 126900  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 268859  | null     | null      | null    | unlabelled |         | 0     |
 | 268860  | v1:6     | ethernet1 | 1234::1 | 655682     |         | 1280  |
 | 268861  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 268862  | v1:6     | ethernet2 | 1235::3 | 508400     |         | 640   |
 | 268863  | v1:6     | ethernet2 | 1235::3 | 508401     |         | 640   |
 | 268864  | null     | null      | null    | unlabelled |         | 0     |
 | 268865  | null     | null      | null    | unlabelled |         | 0     |
 | 268866  | null     | null      | null    | unlabelled |         | 0     |
 | 268867  | null     | null      | null    | unlabelled |         | 0     |
 | 268868  | null     | null      | null    | unlabelled |         | 0     |
 | 318593  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 349219  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 363846  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 399648  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 485238  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 530824  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 604202  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 642750  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 913002  | null     | null      | null    | unlabelled |         | 0     |
 | 913003  | v1:4     | ethernet1 | 1.1.1.1 | 961761     |         | 1280  |
 | 913004  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 913005  | v1:4     | ethernet2 | 1.1.2.3 | 139591     |         | 640   |
 | 913006  | v1:4     | ethernet2 | 1.1.2.3 | 139592     |         | 640   |
 | 913007  | null     | null      | null    | unlabelled |         | 0     |
 | 913008  | null     | null      | null    | unlabelled |         | 0     |
 | 913009  | null     | null      | null    | unlabelled |         | 0     |
 | 913010  | null     | null      | null    | unlabelled |         | 0     |
 | 913011  | null     | null      | null    | unlabelled |         | 0     |
 | 976258  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1019613 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 11642  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 36447  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 139588 | null     | null      | null    | unlabelled |         | 0     |
 | 139589 | v1:4     | ethernet1 | 1.1.2.2 | 913003     |         | 640   |
 | 139590 | v1:4     | ethernet1 | 1.1.2.2 | 913004     |         | 640   |
 | 139591 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 139592 | v1:4     | ethernet2 | 1.1.3.4 | 962985     |         | 1280  |
 | 139593 | null     | null      | null    | unlabelled |         | 0     |
 | 139594 | null     | null      | null    | unlabelled |         | 0     |
 | 139595 | null     | null      | null    | unlabelled |         | 0     |
 | 139596 | null     | null      | null    | unlabelled |         | 0     |
 | 139597 | null     | null      | null    | unlabelled |         | 0     |
 | 251749 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 330216 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 338721 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 338764 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 404918 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 508397 | null     | null      | null    | unlabelled |         | 0     |
 | 508398 | v1:6     | ethernet1 | 1235::2 | 268860     |         | 640   |
 | 508399 | v1:6     | ethernet1 | 1235::2 | 268861     |         | 640   |
 | 508400 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 508401 | v1:6     | ethernet2 | 1236::4 | 484947     |         | 1280  |
 | 508402 | null     | null      | null    | unlabelled |         | 0     |
 | 508403 | null     | null      | null    | unlabelled |         | 0     |
 | 508404 | null     | null      | null    | unlabelled |         | 0     |
 | 508405 | null     | null      | null    | unlabelled |         | 0     |
 | 508406 | null     | null      | null    | unlabelled |         | 0     |
 | 558622 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 583890 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 718510 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 733696 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 776979 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 30828  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 82722  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 144962 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 354103 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 484943 | null     | null      | null    | unlabelled |         | 0     |
 | 484944 | v1:6     | ethernet1 | 1236::3 | 508398     |         | 0     |
 | 484945 | v1:6     | ethernet1 | 1236::3 | 508399     |         | 0     |
 | 484946 | v1:6     | ethernet1 | 1236::3 | 508400     |         | 0     |
 | 484947 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 484948 | null     | null      | null    | unlabelled |         | 0     |
 | 484949 | null     | null      | null    | unlabelled |         | 0     |
 | 484950 | null     | null      | null    | unlabelled |         | 0     |
 | 484951 | null     | null      | null    | unlabelled |         | 0     |
 | 484952 | null     | null      | null    | unlabelled |         | 0     |
 | 573912 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 704114 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 708054 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 732515 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 842784 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 962981 | null     | null      | null    | unlabelled |         | 0     |
 | 962982 | v1:4     | ethernet1 | 1.1.3.3 | 139589     |         | 0     |
 | 962983 | v1:4     | ethernet1 | 1.1.3.3 | 139590     |         | 0     |
 | 962984 | v1:4     | ethernet1 | 1.1.3.3 | 139591     |         | 0     |
 | 962985 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 962986 | null     | null      | null    | unlabelled |         | 0     |
 | 962987 | null     | null      | null    | unlabelled |         | 0     |
 | 962988 | null     | null      | null    | unlabelled |         | 0     |
 | 962989 | null     | null      | null    | unlabelled |         | 0     |
 | 962990 | null     | null      | null    | unlabelled |         | 0     |
 | 995317 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#