here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 26748  | null     | null      | null    | unlabelled |         | 0     |
 | 26749  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 26750  | v1:6     | ethernet1 | 1234::2 | 589530     |         | 0     |
 | 26751  | v1:6     | ethernet1 | 1234::2 | 589531     |         | 0     |
 | 26752  | v1:6     | ethernet1 | 1234::2 | 589532     |         | 0     |
 | 26753  | null     | null      | null    | unlabelled |         | 0     |
 | 26754  | null     | null      | null    | unlabelled |         | 0     |
 | 26755  | null     | null      | null    | unlabelled |         | 0     |
 | 26756  | null     | null      | null    | unlabelled |         | 0     |
 | 26757  | null     | null      | null    | unlabelled |         | 0     |
 | 239203 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 474256 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 582403 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 632555 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 682689 | null     | null      | null    | unlabelled |         | 0     |
 | 682690 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 682691 | v1:4     | ethernet1 | 1.1.1.2 | 643246     |         | 0     |
 | 682692 | v1:4     | ethernet1 | 1.1.1.2 | 643247     |         | 0     |
 | 682693 | v1:4     | ethernet1 | 1.1.1.2 | 643248     |         | 0     |
 | 682694 | null     | null      | null    | unlabelled |         | 0     |
 | 682695 | null     | null      | null    | unlabelled |         | 0     |
 | 682696 | null     | null      | null    | unlabelled |         | 0     |
 | 682697 | null     | null      | null    | unlabelled |         | 0     |
 | 682698 | null     | null      | null    | unlabelled |         | 0     |
 | 823944 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 975634 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 2486   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 84805  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 243296 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 402085 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 539082 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 581055 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 583731 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 589528 | null     | null      | null    | unlabelled |         | 0     |
 | 589529 | v1:6     | ethernet1 | 1234::1 | 26749      |         | 1280  |
 | 589530 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 589531 | v1:6     | ethernet2 | 1235::3 | 338918     |         | 640   |
 | 589532 | v1:6     | ethernet2 | 1235::3 | 338919     |         | 640   |
 | 589533 | null     | null      | null    | unlabelled |         | 0     |
 | 589534 | null     | null      | null    | unlabelled |         | 0     |
 | 589535 | null     | null      | null    | unlabelled |         | 0     |
 | 589536 | null     | null      | null    | unlabelled |         | 0     |
 | 589537 | null     | null      | null    | unlabelled |         | 0     |
 | 643244 | null     | null      | null    | unlabelled |         | 0     |
 | 643245 | v1:4     | ethernet1 | 1.1.1.1 | 682690     |         | 1280  |
 | 643246 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 643247 | v1:4     | ethernet2 | 1.1.2.3 | 834228     |         | 640   |
 | 643248 | v1:4     | ethernet2 | 1.1.2.3 | 834229     |         | 640   |
 | 643249 | null     | null      | null    | unlabelled |         | 0     |
 | 643250 | null     | null      | null    | unlabelled |         | 0     |
 | 643251 | null     | null      | null    | unlabelled |         | 0     |
 | 643252 | null     | null      | null    | unlabelled |         | 0     |
 | 643253 | null     | null      | null    | unlabelled |         | 0     |
 | 766956 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 338915  | null     | null      | null    | unlabelled |         | 0     |
 | 338916  | v1:6     | ethernet1 | 1235::2 | 589529     |         | 640   |
 | 338917  | v1:6     | ethernet1 | 1235::2 | 589530     |         | 640   |
 | 338918  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 338919  | v1:6     | ethernet2 | 1236::4 | 710001     |         | 1280  |
 | 338920  | null     | null      | null    | unlabelled |         | 0     |
 | 338921  | null     | null      | null    | unlabelled |         | 0     |
 | 338922  | null     | null      | null    | unlabelled |         | 0     |
 | 338923  | null     | null      | null    | unlabelled |         | 0     |
 | 338924  | null     | null      | null    | unlabelled |         | 0     |
 | 343974  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 375481  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 533094  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 547970  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 629555  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 834225  | null     | null      | null    | unlabelled |         | 0     |
 | 834226  | v1:4     | ethernet1 | 1.1.2.2 | 643245     |         | 640   |
 | 834227  | v1:4     | ethernet1 | 1.1.2.2 | 643246     |         | 640   |
 | 834228  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 834229  | v1:4     | ethernet2 | 1.1.3.4 | 302695     |         | 1280  |
 | 834230  | null     | null      | null    | unlabelled |         | 0     |
 | 834231  | null     | null      | null    | unlabelled |         | 0     |
 | 834232  | null     | null      | null    | unlabelled |         | 0     |
 | 834233  | null     | null      | null    | unlabelled |         | 0     |
 | 834234  | null     | null      | null    | unlabelled |         | 0     |
 | 1009571 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 1017673 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 1036063 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 44842  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 291100 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 302691 | null     | null      | null    | unlabelled |         | 0     |
 | 302692 | v1:4     | ethernet1 | 1.1.3.3 | 834226     |         | 0     |
 | 302693 | v1:4     | ethernet1 | 1.1.3.3 | 834227     |         | 0     |
 | 302694 | v1:4     | ethernet1 | 1.1.3.3 | 834228     |         | 0     |
 | 302695 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 302696 | null     | null      | null    | unlabelled |         | 0     |
 | 302697 | null     | null      | null    | unlabelled |         | 0     |
 | 302698 | null     | null      | null    | unlabelled |         | 0     |
 | 302699 | null     | null      | null    | unlabelled |         | 0     |
 | 302700 | null     | null      | null    | unlabelled |         | 0     |
 | 327769 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 529715 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 547658 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 709997 | null     | null      | null    | unlabelled |         | 0     |
 | 709998 | v1:6     | ethernet1 | 1236::3 | 338916     |         | 0     |
 | 709999 | v1:6     | ethernet1 | 1236::3 | 338917     |         | 0     |
 | 710000 | v1:6     | ethernet1 | 1236::3 | 338918     |         | 0     |
 | 710001 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 710002 | null     | null      | null    | unlabelled |         | 0     |
 | 710003 | null     | null      | null    | unlabelled |         | 0     |
 | 710004 | null     | null      | null    | unlabelled |         | 0     |
 | 710005 | null     | null      | null    | unlabelled |         | 0     |
 | 710006 | null     | null      | null    | unlabelled |         | 0     |
 | 730496 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#