here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 69425  | null     | null      | null    | unlabelled |         | 0     |
 | 69426  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 69427  | v1:6     | ethernet1 | 1234::2 | 938556     |         | 0     |
 | 69428  | v1:6     | ethernet1 | 1234::2 | 938557     |         | 0     |
 | 69429  | v1:6     | ethernet1 | 1234::2 | 938558     |         | 0     |
 | 69430  | null     | null      | null    | unlabelled |         | 0     |
 | 69431  | null     | null      | null    | unlabelled |         | 0     |
 | 69432  | null     | null      | null    | unlabelled |         | 0     |
 | 69433  | null     | null      | null    | unlabelled |         | 0     |
 | 69434  | null     | null      | null    | unlabelled |         | 0     |
 | 537707 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 577514 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 628293 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 707374 | null     | null      | null    | unlabelled |         | 0     |
 | 707375 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 707376 | v1:4     | ethernet1 | 1.1.1.2 | 731578     |         | 0     |
 | 707377 | v1:4     | ethernet1 | 1.1.1.2 | 731579     |         | 0     |
 | 707378 | v1:4     | ethernet1 | 1.1.1.2 | 731580     |         | 0     |
 | 707379 | null     | null      | null    | unlabelled |         | 0     |
 | 707380 | null     | null      | null    | unlabelled |         | 0     |
 | 707381 | null     | null      | null    | unlabelled |         | 0     |
 | 707382 | null     | null      | null    | unlabelled |         | 0     |
 | 707383 | null     | null      | null    | unlabelled |         | 0     |
 | 715957 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 857244 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 895806 | v1:6     | ethernet1 | 1234::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 4476   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 193920 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 234159 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 240831 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 501880 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 659040 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 684234 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 731576 | null     | null      | null    | unlabelled |         | 0     |
 | 731577 | v1:4     | ethernet1 | 1.1.1.1 | 707375     |         | 1280  |
 | 731578 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 731579 | v1:4     | ethernet2 | 1.1.2.3 | 345971     |         | 640   |
 | 731580 | v1:4     | ethernet2 | 1.1.2.3 | 345972     |         | 640   |
 | 731581 | null     | null      | null    | unlabelled |         | 0     |
 | 731582 | null     | null      | null    | unlabelled |         | 0     |
 | 731583 | null     | null      | null    | unlabelled |         | 0     |
 | 731584 | null     | null      | null    | unlabelled |         | 0     |
 | 731585 | null     | null      | null    | unlabelled |         | 0     |
 | 847243 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 938554 | null     | null      | null    | unlabelled |         | 0     |
 | 938555 | v1:6     | ethernet1 | 1234::1 | 69426      |         | 1280  |
 | 938556 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 938557 | v1:6     | ethernet2 | 1235::3 | 713430     |         | 640   |
 | 938558 | v1:6     | ethernet2 | 1235::3 | 713431     |         | 640   |
 | 938559 | null     | null      | null    | unlabelled |         | 0     |
 | 938560 | null     | null      | null    | unlabelled |         | 0     |
 | 938561 | null     | null      | null    | unlabelled |         | 0     |
 | 938562 | null     | null      | null    | unlabelled |         | 0     |
 | 938563 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 14132  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 49726  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 118381 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 119024 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 345968 | null     | null      | null    | unlabelled |         | 0     |
 | 345969 | v1:4     | ethernet1 | 1.1.2.2 | 731577     |         | 640   |
 | 345970 | v1:4     | ethernet1 | 1.1.2.2 | 731578     |         | 640   |
 | 345971 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 345972 | v1:4     | ethernet2 | 1.1.3.4 | 666445     |         | 1280  |
 | 345973 | null     | null      | null    | unlabelled |         | 0     |
 | 345974 | null     | null      | null    | unlabelled |         | 0     |
 | 345975 | null     | null      | null    | unlabelled |         | 0     |
 | 345976 | null     | null      | null    | unlabelled |         | 0     |
 | 345977 | null     | null      | null    | unlabelled |         | 0     |
 | 490442 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 556055 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 630435 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 713427 | null     | null      | null    | unlabelled |         | 0     |
 | 713428 | v1:6     | ethernet1 | 1235::2 | 938555     |         | 640   |
 | 713429 | v1:6     | ethernet1 | 1235::2 | 938556     |         | 640   |
 | 713430 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 713431 | v1:6     | ethernet2 | 1236::4 | 40109      |         | 1280  |
 | 713432 | null     | null      | null    | unlabelled |         | 0     |
 | 713433 | null     | null      | null    | unlabelled |         | 0     |
 | 713434 | null     | null      | null    | unlabelled |         | 0     |
 | 713435 | null     | null      | null    | unlabelled |         | 0     |
 | 713436 | null     | null      | null    | unlabelled |         | 0     |
 | 929043 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 3476   | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 40105  | null     | null      | null    | unlabelled |         | 0     |
 | 40106  | v1:6     | ethernet1 | 1236::3 | 713428     |         | 0     |
 | 40107  | v1:6     | ethernet1 | 1236::3 | 713429     |         | 0     |
 | 40108  | v1:6     | ethernet1 | 1236::3 | 713430     |         | 0     |
 | 40109  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 40110  | null     | null      | null    | unlabelled |         | 0     |
 | 40111  | null     | null      | null    | unlabelled |         | 0     |
 | 40112  | null     | null      | null    | unlabelled |         | 0     |
 | 40113  | null     | null      | null    | unlabelled |         | 0     |
 | 40114  | null     | null      | null    | unlabelled |         | 0     |
 | 92046  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 128502 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 134246 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 497313 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 666441 | null     | null      | null    | unlabelled |         | 0     |
 | 666442 | v1:4     | ethernet1 | 1.1.3.3 | 345969     |         | 0     |
 | 666443 | v1:4     | ethernet1 | 1.1.3.3 | 345970     |         | 0     |
 | 666444 | v1:4     | ethernet1 | 1.1.3.3 | 345971     |         | 0     |
 | 666445 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 666446 | null     | null      | null    | unlabelled |         | 0     |
 | 666447 | null     | null      | null    | unlabelled |         | 0     |
 | 666448 | null     | null      | null    | unlabelled |         | 0     |
 | 666449 | null     | null      | null    | unlabelled |         | 0     |
 | 666450 | null     | null      | null    | unlabelled |         | 0     |
 | 670542 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#