here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 110768  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 111518  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 290677  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 397078  | null     | null      | null    | unlabelled |         | 0     |
 | 397079  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 397080  | v1:6     | ethernet1 | 1234::2 | 495996     |         | 0     |
 | 397081  | v1:6     | ethernet1 | 1234::2 | 495997     |         | 0     |
 | 397082  | v1:6     | ethernet1 | 1234::2 | 495998     |         | 0     |
 | 397083  | null     | null      | null    | unlabelled |         | 0     |
 | 397084  | null     | null      | null    | unlabelled |         | 0     |
 | 397085  | null     | null      | null    | unlabelled |         | 0     |
 | 397086  | null     | null      | null    | unlabelled |         | 0     |
 | 397087  | null     | null      | null    | unlabelled |         | 0     |
 | 423119  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 468487  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 575607  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 603520  | null     | null      | null    | unlabelled |         | 0     |
 | 603521  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 603522  | v1:4     | ethernet1 | 1.1.1.2 | 439996     |         | 0     |
 | 603523  | v1:4     | ethernet1 | 1.1.1.2 | 439997     |         | 0     |
 | 603524  | v1:4     | ethernet1 | 1.1.1.2 | 439998     |         | 0     |
 | 603525  | null     | null      | null    | unlabelled |         | 0     |
 | 603526  | null     | null      | null    | unlabelled |         | 0     |
 | 603527  | null     | null      | null    | unlabelled |         | 0     |
 | 603528  | null     | null      | null    | unlabelled |         | 0     |
 | 603529  | null     | null      | null    | unlabelled |         | 0     |
 | 647248  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 744162  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 830161  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 1032973 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 45876  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 183708 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 198631 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 337122 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 439994 | null     | null      | null    | unlabelled |         | 0     |
 | 439995 | v1:4     | ethernet1 | 1.1.1.1 | 603521     |         | 1280  |
 | 439996 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 439997 | v1:4     | ethernet2 | 1.1.2.3 | 214172     |         | 640   |
 | 439998 | v1:4     | ethernet2 | 1.1.2.3 | 214173     |         | 640   |
 | 439999 | null     | null      | null    | unlabelled |         | 0     |
 | 440000 | null     | null      | null    | unlabelled |         | 0     |
 | 440001 | null     | null      | null    | unlabelled |         | 0     |
 | 440002 | null     | null      | null    | unlabelled |         | 0     |
 | 440003 | null     | null      | null    | unlabelled |         | 0     |
 | 495994 | null     | null      | null    | unlabelled |         | 0     |
 | 495995 | v1:6     | ethernet1 | 1234::1 | 397079     |         | 1280  |
 | 495996 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 495997 | v1:6     | ethernet2 | 1235::3 | 11591      |         | 640   |
 | 495998 | v1:6     | ethernet2 | 1235::3 | 11592      |         | 640   |
 | 495999 | null     | null      | null    | unlabelled |         | 0     |
 | 496000 | null     | null      | null    | unlabelled |         | 0     |
 | 496001 | null     | null      | null    | unlabelled |         | 0     |
 | 496002 | null     | null      | null    | unlabelled |         | 0     |
 | 496003 | null     | null      | null    | unlabelled |         | 0     |
 | 654411 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 727908 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 820003 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 854098 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 877056 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 904668 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 908767 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 974053 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 11588  | null     | null      | null    | unlabelled |         | 0     |
 | 11589  | v1:6     | ethernet1 | 1235::2 | 495995     |         | 640   |
 | 11590  | v1:6     | ethernet1 | 1235::2 | 495996     |         | 640   |
 | 11591  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 11592  | v1:6     | ethernet2 | 1236::4 | 444725     |         | 1280  |
 | 11593  | null     | null      | null    | unlabelled |         | 0     |
 | 11594  | null     | null      | null    | unlabelled |         | 0     |
 | 11595  | null     | null      | null    | unlabelled |         | 0     |
 | 11596  | null     | null      | null    | unlabelled |         | 0     |
 | 11597  | null     | null      | null    | unlabelled |         | 0     |
 | 38001  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 95975  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 170508 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 214169 | null     | null      | null    | unlabelled |         | 0     |
 | 214170 | v1:4     | ethernet1 | 1.1.2.2 | 439995     |         | 640   |
 | 214171 | v1:4     | ethernet1 | 1.1.2.2 | 439996     |         | 640   |
 | 214172 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 214173 | v1:4     | ethernet2 | 1.1.3.4 | 542649     |         | 1280  |
 | 214174 | null     | null      | null    | unlabelled |         | 0     |
 | 214175 | null     | null      | null    | unlabelled |         | 0     |
 | 214176 | null     | null      | null    | unlabelled |         | 0     |
 | 214177 | null     | null      | null    | unlabelled |         | 0     |
 | 214178 | null     | null      | null    | unlabelled |         | 0     |
 | 260569 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 276423 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 493687 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 531146 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 708002 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 820635 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 838935 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 868750 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 996865 | v1:6     | ethernet1 | 1235::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 241520 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 340574 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 361593 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 444721 | null     | null      | null    | unlabelled |         | 0     |
 | 444722 | v1:6     | ethernet1 | 1236::3 | 11589      |         | 0     |
 | 444723 | v1:6     | ethernet1 | 1236::3 | 11590      |         | 0     |
 | 444724 | v1:6     | ethernet1 | 1236::3 | 11591      |         | 0     |
 | 444725 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 444726 | null     | null      | null    | unlabelled |         | 0     |
 | 444727 | null     | null      | null    | unlabelled |         | 0     |
 | 444728 | null     | null      | null    | unlabelled |         | 0     |
 | 444729 | null     | null      | null    | unlabelled |         | 0     |
 | 444730 | null     | null      | null    | unlabelled |         | 0     |
 | 461906 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 542645 | null     | null      | null    | unlabelled |         | 0     |
 | 542646 | v1:4     | ethernet1 | 1.1.3.3 | 214170     |         | 0     |
 | 542647 | v1:4     | ethernet1 | 1.1.3.3 | 214171     |         | 0     |
 | 542648 | v1:4     | ethernet1 | 1.1.3.3 | 214172     |         | 0     |
 | 542649 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 542650 | null     | null      | null    | unlabelled |         | 0     |
 | 542651 | null     | null      | null    | unlabelled |         | 0     |
 | 542652 | null     | null      | null    | unlabelled |         | 0     |
 | 542653 | null     | null      | null    | unlabelled |         | 0     |
 | 542654 | null     | null      | null    | unlabelled |         | 0     |
 | 653021 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 672345 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 723837 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 727738 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 908778 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 993662 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#