here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 145699 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 151350 | null     | null      | null    | unlabelled |         | 0     |
 | 151351 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 151352 | v1:6     | ethernet1 | 1234::2 | 61793      |         | 0     |
 | 151353 | v1:6     | ethernet1 | 1234::2 | 61794      |         | 0     |
 | 151354 | v1:6     | ethernet1 | 1234::2 | 61795      |         | 0     |
 | 151355 | null     | null      | null    | unlabelled |         | 0     |
 | 151356 | null     | null      | null    | unlabelled |         | 0     |
 | 151357 | null     | null      | null    | unlabelled |         | 0     |
 | 151358 | null     | null      | null    | unlabelled |         | 0     |
 | 151359 | null     | null      | null    | unlabelled |         | 0     |
 | 206891 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 236323 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 326042 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 381618 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 444864 | null     | null      | null    | unlabelled |         | 0     |
 | 444865 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 444866 | v1:4     | ethernet1 | 1.1.1.2 | 355985     |         | 0     |
 | 444867 | v1:4     | ethernet1 | 1.1.1.2 | 355986     |         | 0     |
 | 444868 | v1:4     | ethernet1 | 1.1.1.2 | 355987     |         | 0     |
 | 444869 | null     | null      | null    | unlabelled |         | 0     |
 | 444870 | null     | null      | null    | unlabelled |         | 0     |
 | 444871 | null     | null      | null    | unlabelled |         | 0     |
 | 444872 | null     | null      | null    | unlabelled |         | 0     |
 | 444873 | null     | null      | null    | unlabelled |         | 0     |
 | 481611 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 667796 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 886154 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 956487 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 964500 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 61791  | null     | null      | null    | unlabelled |         | 0     |
 | 61792  | v1:6     | ethernet1 | 1234::1 | 151351     |         | 1280  |
 | 61793  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 61794  | v1:6     | ethernet2 | 1235::3 | 340671     |         | 640   |
 | 61795  | v1:6     | ethernet2 | 1235::3 | 340672     |         | 640   |
 | 61796  | null     | null      | null    | unlabelled |         | 0     |
 | 61797  | null     | null      | null    | unlabelled |         | 0     |
 | 61798  | null     | null      | null    | unlabelled |         | 0     |
 | 61799  | null     | null      | null    | unlabelled |         | 0     |
 | 61800  | null     | null      | null    | unlabelled |         | 0     |
 | 115855 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 191974 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 195245 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 285918 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 295791 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 355983 | null     | null      | null    | unlabelled |         | 0     |
 | 355984 | v1:4     | ethernet1 | 1.1.1.1 | 444865     |         | 1280  |
 | 355985 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 355986 | v1:4     | ethernet2 | 1.1.2.3 | 264946     |         | 640   |
 | 355987 | v1:4     | ethernet2 | 1.1.2.3 | 264947     |         | 640   |
 | 355988 | null     | null      | null    | unlabelled |         | 0     |
 | 355989 | null     | null      | null    | unlabelled |         | 0     |
 | 355990 | null     | null      | null    | unlabelled |         | 0     |
 | 355991 | null     | null      | null    | unlabelled |         | 0     |
 | 355992 | null     | null      | null    | unlabelled |         | 0     |
 | 485573 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 536291 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 598011 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 829164 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 895454 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 967704 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 997557 | v1:6     | ethernet1 | 1234::1 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 264943  | null     | null      | null    | unlabelled |         | 0     |
 | 264944  | v1:4     | ethernet1 | 1.1.2.2 | 355984     |         | 640   |
 | 264945  | v1:4     | ethernet1 | 1.1.2.2 | 355985     |         | 640   |
 | 264946  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 264947  | v1:4     | ethernet2 | 1.1.3.4 | 369238     |         | 1280  |
 | 264948  | null     | null      | null    | unlabelled |         | 0     |
 | 264949  | null     | null      | null    | unlabelled |         | 0     |
 | 264950  | null     | null      | null    | unlabelled |         | 0     |
 | 264951  | null     | null      | null    | unlabelled |         | 0     |
 | 264952  | null     | null      | null    | unlabelled |         | 0     |
 | 276532  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 340668  | null     | null      | null    | unlabelled |         | 0     |
 | 340669  | v1:6     | ethernet1 | 1235::2 | 61792      |         | 640   |
 | 340670  | v1:6     | ethernet1 | 1235::2 | 61793      |         | 640   |
 | 340671  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 340672  | v1:6     | ethernet2 | 1236::4 | 360773     |         | 1280  |
 | 340673  | null     | null      | null    | unlabelled |         | 0     |
 | 340674  | null     | null      | null    | unlabelled |         | 0     |
 | 340675  | null     | null      | null    | unlabelled |         | 0     |
 | 340676  | null     | null      | null    | unlabelled |         | 0     |
 | 340677  | null     | null      | null    | unlabelled |         | 0     |
 | 471325  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 528439  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 547207  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 561496  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 652873  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 739183  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 747406  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 790926  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 874029  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 919403  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1007512 | v1:4     | ethernet1 | 1.1.2.2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 14459  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 195856 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 291973 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 293862 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 358986 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 360769 | null     | null      | null    | unlabelled |         | 0     |
 | 360770 | v1:6     | ethernet1 | 1236::3 | 340669     |         | 0     |
 | 360771 | v1:6     | ethernet1 | 1236::3 | 340670     |         | 0     |
 | 360772 | v1:6     | ethernet1 | 1236::3 | 340671     |         | 0     |
 | 360773 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 360774 | null     | null      | null    | unlabelled |         | 0     |
 | 360775 | null     | null      | null    | unlabelled |         | 0     |
 | 360776 | null     | null      | null    | unlabelled |         | 0     |
 | 360777 | null     | null      | null    | unlabelled |         | 0     |
 | 360778 | null     | null      | null    | unlabelled |         | 0     |
 | 369234 | null     | null      | null    | unlabelled |         | 0     |
 | 369235 | v1:4     | ethernet1 | 1.1.3.3 | 264944     |         | 0     |
 | 369236 | v1:4     | ethernet1 | 1.1.3.3 | 264945     |         | 0     |
 | 369237 | v1:4     | ethernet1 | 1.1.3.3 | 264946     |         | 0     |
 | 369238 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 369239 | null     | null      | null    | unlabelled |         | 0     |
 | 369240 | null     | null      | null    | unlabelled |         | 0     |
 | 369241 | null     | null      | null    | unlabelled |         | 0     |
 | 369242 | null     | null      | null    | unlabelled |         | 0     |
 | 369243 | null     | null      | null    | unlabelled |         | 0     |
 | 444376 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 531171 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 616537 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 799477 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 841601 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#