here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 51592   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 118418  | null     | null      | null    | unlabelled |         | 0     |
 | 118419  | v1:4     | null      | null    | unlabelled | local   | 2112  |
 | 118420  | v1:4     | ethernet1 | 1.1.1.2 | 999817     |         | 0     |
 | 118421  | v1:4     | ethernet1 | 1.1.1.2 | 999818     |         | 0     |
 | 118422  | v1:4     | ethernet1 | 1.1.1.2 | 999819     |         | 0     |
 | 118423  | null     | null      | null    | unlabelled |         | 0     |
 | 118424  | null     | null      | null    | unlabelled |         | 0     |
 | 118425  | null     | null      | null    | unlabelled |         | 0     |
 | 118426  | null     | null      | null    | unlabelled |         | 0     |
 | 118427  | null     | null      | null    | unlabelled |         | 0     |
 | 409353  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 461415  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 489971  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 564968  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 965641  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 1028824 | null     | null      | null    | unlabelled |         | 0     |
 | 1028825 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1028826 | v1:6     | ethernet1 | 1234::2 | 915459     |         | 0     |
 | 1028827 | v1:6     | ethernet1 | 1234::2 | 915460     |         | 0     |
 | 1028828 | v1:6     | ethernet1 | 1234::2 | 915461     |         | 0     |
 | 1028829 | null     | null      | null    | unlabelled |         | 0     |
 | 1028830 | null     | null      | null    | unlabelled |         | 0     |
 | 1028831 | null     | null      | null    | unlabelled |         | 0     |
 | 1028832 | null     | null      | null    | unlabelled |         | 0     |
 | 1028833 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 85043   | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 408327  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 502599  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 626903  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 639042  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 703222  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 915457  | null     | null      | null    | unlabelled |         | 0     |
 | 915458  | v1:6     | ethernet1 | 1234::1 | 1028825    |         | 1280  |
 | 915459  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 915460  | v1:6     | ethernet2 | 1235::3 | 256616     |         | 640   |
 | 915461  | v1:6     | ethernet2 | 1235::3 | 256617     |         | 640   |
 | 915462  | null     | null      | null    | unlabelled |         | 0     |
 | 915463  | null     | null      | null    | unlabelled |         | 0     |
 | 915464  | null     | null      | null    | unlabelled |         | 0     |
 | 915465  | null     | null      | null    | unlabelled |         | 0     |
 | 915466  | null     | null      | null    | unlabelled |         | 0     |
 | 999815  | null     | null      | null    | unlabelled |         | 0     |
 | 999816  | v1:4     | ethernet1 | 1.1.1.1 | 118419     |         | 1280  |
 | 999817  | v1:4     | null      | null    | unlabelled | local   | 2112  |
 | 999818  | v1:4     | ethernet2 | 1.1.2.3 | 532279     |         | 640   |
 | 999819  | v1:4     | ethernet2 | 1.1.2.3 | 532280     |         | 640   |
 | 999820  | null     | null      | null    | unlabelled |         | 0     |
 | 999821  | null     | null      | null    | unlabelled |         | 0     |
 | 999822  | null     | null      | null    | unlabelled |         | 0     |
 | 999823  | null     | null      | null    | unlabelled |         | 0     |
 | 999824  | null     | null      | null    | unlabelled |         | 0     |
 | 1022957 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1030640 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 256613  | null     | null      | null    | unlabelled |         | 0     |
 | 256614  | v1:6     | ethernet1 | 1235::2 | 915458     |         | 640   |
 | 256615  | v1:6     | ethernet1 | 1235::2 | 915459     |         | 640   |
 | 256616  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 256617  | v1:6     | ethernet2 | 1236::4 | 376731     |         | 1280  |
 | 256618  | null     | null      | null    | unlabelled |         | 0     |
 | 256619  | null     | null      | null    | unlabelled |         | 0     |
 | 256620  | null     | null      | null    | unlabelled |         | 0     |
 | 256621  | null     | null      | null    | unlabelled |         | 0     |
 | 256622  | null     | null      | null    | unlabelled |         | 0     |
 | 313322  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 422891  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 431420  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 532276  | null     | null      | null    | unlabelled |         | 0     |
 | 532277  | v1:4     | ethernet1 | 1.1.2.2 | 999816     |         | 640   |
 | 532278  | v1:4     | ethernet1 | 1.1.2.2 | 999817     |         | 640   |
 | 532279  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 532280  | v1:4     | ethernet2 | 1.1.3.4 | 1007746    |         | 1280  |
 | 532281  | null     | null      | null    | unlabelled |         | 0     |
 | 532282  | null     | null      | null    | unlabelled |         | 0     |
 | 532283  | null     | null      | null    | unlabelled |         | 0     |
 | 532284  | null     | null      | null    | unlabelled |         | 0     |
 | 532285  | null     | null      | null    | unlabelled |         | 0     |
 | 623293  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 841996  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 868857  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 1004858 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1029090 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 42613   | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 376727  | null     | null      | null    | unlabelled |         | 0     |
 | 376728  | v1:6     | ethernet1 | 1236::3 | 256614     |         | 0     |
 | 376729  | v1:6     | ethernet1 | 1236::3 | 256615     |         | 0     |
 | 376730  | v1:6     | ethernet1 | 1236::3 | 256616     |         | 0     |
 | 376731  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 376732  | null     | null      | null    | unlabelled |         | 0     |
 | 376733  | null     | null      | null    | unlabelled |         | 0     |
 | 376734  | null     | null      | null    | unlabelled |         | 0     |
 | 376735  | null     | null      | null    | unlabelled |         | 0     |
 | 376736  | null     | null      | null    | unlabelled |         | 0     |
 | 383166  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 395164  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 464048  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 537668  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 666485  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1007742 | null     | null      | null    | unlabelled |         | 0     |
 | 1007743 | v1:4     | ethernet1 | 1.1.3.3 | 532277     |         | 0     |
 | 1007744 | v1:4     | ethernet1 | 1.1.3.3 | 532278     |         | 0     |
 | 1007745 | v1:4     | ethernet1 | 1.1.3.3 | 532279     |         | 0     |
 | 1007746 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1007747 | null     | null      | null    | unlabelled |         | 0     |
 | 1007748 | null     | null      | null    | unlabelled |         | 0     |
 | 1007749 | null     | null      | null    | unlabelled |         | 0     |
 | 1007750 | null     | null      | null    | unlabelled |         | 0     |
 | 1007751 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#