here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 57441   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 79928   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 118692  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 153885  | null     | null      | null    | unlabelled |         | 0     |
 | 153886  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 153887  | v1:6     | ethernet1 | 1234::2 | 147471     |         | 0     |
 | 153888  | v1:6     | ethernet1 | 1234::2 | 147472     |         | 0     |
 | 153889  | v1:6     | ethernet1 | 1234::2 | 147473     |         | 0     |
 | 153890  | null     | null      | null    | unlabelled |         | 0     |
 | 153891  | null     | null      | null    | unlabelled |         | 0     |
 | 153892  | null     | null      | null    | unlabelled |         | 0     |
 | 153893  | null     | null      | null    | unlabelled |         | 0     |
 | 153894  | null     | null      | null    | unlabelled |         | 0     |
 | 326383  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 612607  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 666847  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 807532  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 821986  | null     | null      | null    | unlabelled |         | 0     |
 | 821987  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 821988  | v1:4     | ethernet1 | 1.1.1.2 | 880852     |         | 0     |
 | 821989  | v1:4     | ethernet1 | 1.1.1.2 | 880853     |         | 0     |
 | 821990  | v1:4     | ethernet1 | 1.1.1.2 | 880854     |         | 0     |
 | 821991  | null     | null      | null    | unlabelled |         | 0     |
 | 821992  | null     | null      | null    | unlabelled |         | 0     |
 | 821993  | null     | null      | null    | unlabelled |         | 0     |
 | 821994  | null     | null      | null    | unlabelled |         | 0     |
 | 821995  | null     | null      | null    | unlabelled |         | 0     |
 | 862238  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 916443  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1009771 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 68568  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 74724  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 99080  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 100343 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 112789 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 147469 | null     | null      | null    | unlabelled |         | 0     |
 | 147470 | v1:6     | ethernet1 | 1234::1 | 153886     |         | 1280  |
 | 147471 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 147472 | v1:6     | ethernet2 | 1235::3 | 158927     |         | 640   |
 | 147473 | v1:6     | ethernet2 | 1235::3 | 158928     |         | 640   |
 | 147474 | null     | null      | null    | unlabelled |         | 0     |
 | 147475 | null     | null      | null    | unlabelled |         | 0     |
 | 147476 | null     | null      | null    | unlabelled |         | 0     |
 | 147477 | null     | null      | null    | unlabelled |         | 0     |
 | 147478 | null     | null      | null    | unlabelled |         | 0     |
 | 240817 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 361516 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 760836 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 880850 | null     | null      | null    | unlabelled |         | 0     |
 | 880851 | v1:4     | ethernet1 | 1.1.1.1 | 821987     |         | 1280  |
 | 880852 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 880853 | v1:4     | ethernet2 | 1.1.2.3 | 131286     |         | 640   |
 | 880854 | v1:4     | ethernet2 | 1.1.2.3 | 131287     |         | 640   |
 | 880855 | null     | null      | null    | unlabelled |         | 0     |
 | 880856 | null     | null      | null    | unlabelled |         | 0     |
 | 880857 | null     | null      | null    | unlabelled |         | 0     |
 | 880858 | null     | null      | null    | unlabelled |         | 0     |
 | 880859 | null     | null      | null    | unlabelled |         | 0     |
 | 910815 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 960219 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 970824 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 982325 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 96810  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 131283 | null     | null      | null    | unlabelled |         | 0     |
 | 131284 | v1:4     | ethernet1 | 1.1.2.2 | 880851     |         | 640   |
 | 131285 | v1:4     | ethernet1 | 1.1.2.2 | 880852     |         | 640   |
 | 131286 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 131287 | v1:4     | ethernet2 | 1.1.3.4 | 656577     |         | 1280  |
 | 131288 | null     | null      | null    | unlabelled |         | 0     |
 | 131289 | null     | null      | null    | unlabelled |         | 0     |
 | 131290 | null     | null      | null    | unlabelled |         | 0     |
 | 131291 | null     | null      | null    | unlabelled |         | 0     |
 | 131292 | null     | null      | null    | unlabelled |         | 0     |
 | 158924 | null     | null      | null    | unlabelled |         | 0     |
 | 158925 | v1:6     | ethernet1 | 1235::2 | 147470     |         | 640   |
 | 158926 | v1:6     | ethernet1 | 1235::2 | 147471     |         | 640   |
 | 158927 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 158928 | v1:6     | ethernet2 | 1236::4 | 658303     |         | 1280  |
 | 158929 | null     | null      | null    | unlabelled |         | 0     |
 | 158930 | null     | null      | null    | unlabelled |         | 0     |
 | 158931 | null     | null      | null    | unlabelled |         | 0     |
 | 158932 | null     | null      | null    | unlabelled |         | 0     |
 | 158933 | null     | null      | null    | unlabelled |         | 0     |
 | 186296 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 367183 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 433776 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 485665 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 511544 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 613055 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 618906 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 783031 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 886697 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 955052 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 959756 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 94099  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 116456 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 128135 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 197866 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 373345 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 464297 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 532012 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 656573 | null     | null      | null    | unlabelled |         | 0     |
 | 656574 | v1:4     | ethernet1 | 1.1.3.3 | 131284     |         | 0     |
 | 656575 | v1:4     | ethernet1 | 1.1.3.3 | 131285     |         | 0     |
 | 656576 | v1:4     | ethernet1 | 1.1.3.3 | 131286     |         | 0     |
 | 656577 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 656578 | null     | null      | null    | unlabelled |         | 0     |
 | 656579 | null     | null      | null    | unlabelled |         | 0     |
 | 656580 | null     | null      | null    | unlabelled |         | 0     |
 | 656581 | null     | null      | null    | unlabelled |         | 0     |
 | 656582 | null     | null      | null    | unlabelled |         | 0     |
 | 658299 | null     | null      | null    | unlabelled |         | 0     |
 | 658300 | v1:6     | ethernet1 | 1236::3 | 158925     |         | 0     |
 | 658301 | v1:6     | ethernet1 | 1236::3 | 158926     |         | 0     |
 | 658302 | v1:6     | ethernet1 | 1236::3 | 158927     |         | 0     |
 | 658303 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 658304 | null     | null      | null    | unlabelled |         | 0     |
 | 658305 | null     | null      | null    | unlabelled |         | 0     |
 | 658306 | null     | null      | null    | unlabelled |         | 0     |
 | 658307 | null     | null      | null    | unlabelled |         | 0     |
 | 658308 | null     | null      | null    | unlabelled |         | 0     |
 | 718023 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 861402 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 968456 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#