here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 38094  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 161998 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 171825 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 213708 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 324968 | null     | null      | null    | unlabelled |         | 0     |
 | 324969 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 324970 | v1:6     | ethernet1 | 1234::2 | 120152     |         | 0     |
 | 324971 | v1:6     | ethernet1 | 1234::2 | 120153     |         | 0     |
 | 324972 | v1:6     | ethernet1 | 1234::2 | 120154     |         | 0     |
 | 324973 | null     | null      | null    | unlabelled |         | 0     |
 | 324974 | null     | null      | null    | unlabelled |         | 0     |
 | 324975 | null     | null      | null    | unlabelled |         | 0     |
 | 324976 | null     | null      | null    | unlabelled |         | 0     |
 | 324977 | null     | null      | null    | unlabelled |         | 0     |
 | 332895 | null     | null      | null    | unlabelled |         | 0     |
 | 332896 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 332897 | v1:4     | ethernet1 | 1.1.1.2 | 846356     |         | 0     |
 | 332898 | v1:4     | ethernet1 | 1.1.1.2 | 846357     |         | 0     |
 | 332899 | v1:4     | ethernet1 | 1.1.1.2 | 846358     |         | 0     |
 | 332900 | null     | null      | null    | unlabelled |         | 0     |
 | 332901 | null     | null      | null    | unlabelled |         | 0     |
 | 332902 | null     | null      | null    | unlabelled |         | 0     |
 | 332903 | null     | null      | null    | unlabelled |         | 0     |
 | 332904 | null     | null      | null    | unlabelled |         | 0     |
 | 557320 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 675201 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 675414 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 694068 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 696939 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 810900 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 571     | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 115261  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 119717  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 120150  | null     | null      | null    | unlabelled |         | 0     |
 | 120151  | v1:6     | ethernet1 | 1234::1 | 324969     |         | 1280  |
 | 120152  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 120153  | v1:6     | ethernet2 | 1235::3 | 744134     |         | 640   |
 | 120154  | v1:6     | ethernet2 | 1235::3 | 744135     |         | 640   |
 | 120155  | null     | null      | null    | unlabelled |         | 0     |
 | 120156  | null     | null      | null    | unlabelled |         | 0     |
 | 120157  | null     | null      | null    | unlabelled |         | 0     |
 | 120158  | null     | null      | null    | unlabelled |         | 0     |
 | 120159  | null     | null      | null    | unlabelled |         | 0     |
 | 221724  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 432176  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 465334  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 533113  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 618569  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 658918  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 846354  | null     | null      | null    | unlabelled |         | 0     |
 | 846355  | v1:4     | ethernet1 | 1.1.1.1 | 332896     |         | 1280  |
 | 846356  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 846357  | v1:4     | ethernet2 | 1.1.2.3 | 148115     |         | 640   |
 | 846358  | v1:4     | ethernet2 | 1.1.2.3 | 148116     |         | 640   |
 | 846359  | null     | null      | null    | unlabelled |         | 0     |
 | 846360  | null     | null      | null    | unlabelled |         | 0     |
 | 846361  | null     | null      | null    | unlabelled |         | 0     |
 | 846362  | null     | null      | null    | unlabelled |         | 0     |
 | 846363  | null     | null      | null    | unlabelled |         | 0     |
 | 942250  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1005578 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1026726 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 17457   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 92575   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 148112  | null     | null      | null    | unlabelled |         | 0     |
 | 148113  | v1:4     | ethernet1 | 1.1.2.2 | 846355     |         | 640   |
 | 148114  | v1:4     | ethernet1 | 1.1.2.2 | 846356     |         | 640   |
 | 148115  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 148116  | v1:4     | ethernet2 | 1.1.3.4 | 303644     |         | 1280  |
 | 148117  | null     | null      | null    | unlabelled |         | 0     |
 | 148118  | null     | null      | null    | unlabelled |         | 0     |
 | 148119  | null     | null      | null    | unlabelled |         | 0     |
 | 148120  | null     | null      | null    | unlabelled |         | 0     |
 | 148121  | null     | null      | null    | unlabelled |         | 0     |
 | 257231  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 309615  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 337508  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 366340  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 637356  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 678820  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 709279  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 719326  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 744131  | null     | null      | null    | unlabelled |         | 0     |
 | 744132  | v1:6     | ethernet1 | 1235::2 | 120151     |         | 640   |
 | 744133  | v1:6     | ethernet1 | 1235::2 | 120152     |         | 640   |
 | 744134  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 744135  | v1:6     | ethernet2 | 1236::4 | 909145     |         | 1280  |
 | 744136  | null     | null      | null    | unlabelled |         | 0     |
 | 744137  | null     | null      | null    | unlabelled |         | 0     |
 | 744138  | null     | null      | null    | unlabelled |         | 0     |
 | 744139  | null     | null      | null    | unlabelled |         | 0     |
 | 744140  | null     | null      | null    | unlabelled |         | 0     |
 | 791200  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 1029133 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 7023   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 24843  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 72067  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 303640 | null     | null      | null    | unlabelled |         | 0     |
 | 303641 | v1:4     | ethernet1 | 1.1.3.3 | 148113     |         | 0     |
 | 303642 | v1:4     | ethernet1 | 1.1.3.3 | 148114     |         | 0     |
 | 303643 | v1:4     | ethernet1 | 1.1.3.3 | 148115     |         | 0     |
 | 303644 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 303645 | null     | null      | null    | unlabelled |         | 0     |
 | 303646 | null     | null      | null    | unlabelled |         | 0     |
 | 303647 | null     | null      | null    | unlabelled |         | 0     |
 | 303648 | null     | null      | null    | unlabelled |         | 0     |
 | 303649 | null     | null      | null    | unlabelled |         | 0     |
 | 312626 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 471677 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 501263 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 779279 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 781675 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 874187 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 909141 | null     | null      | null    | unlabelled |         | 0     |
 | 909142 | v1:6     | ethernet1 | 1236::3 | 744132     |         | 0     |
 | 909143 | v1:6     | ethernet1 | 1236::3 | 744133     |         | 0     |
 | 909144 | v1:6     | ethernet1 | 1236::3 | 744134     |         | 0     |
 | 909145 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 909146 | null     | null      | null    | unlabelled |         | 0     |
 | 909147 | null     | null      | null    | unlabelled |         | 0     |
 | 909148 | null     | null      | null    | unlabelled |         | 0     |
 | 909149 | null     | null      | null    | unlabelled |         | 0     |
 | 909150 | null     | null      | null    | unlabelled |         | 0     |
 | 940036 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#