here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 39863   | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 86916   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 148333  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 445989  | null     | null      | null    | unlabelled |         | 0     |
 | 445990  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 445991  | v1:6     | ethernet1 | 1234::2 | 554063     |         | 0     |
 | 445992  | v1:6     | ethernet1 | 1234::2 | 554064     |         | 0     |
 | 445993  | v1:6     | ethernet1 | 1234::2 | 554065     |         | 0     |
 | 445994  | null     | null      | null    | unlabelled |         | 0     |
 | 445995  | null     | null      | null    | unlabelled |         | 0     |
 | 445996  | null     | null      | null    | unlabelled |         | 0     |
 | 445997  | null     | null      | null    | unlabelled |         | 0     |
 | 445998  | null     | null      | null    | unlabelled |         | 0     |
 | 669524  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 844729  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 960786  | null     | null      | null    | unlabelled |         | 0     |
 | 960787  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 960788  | v1:4     | ethernet1 | 1.1.1.2 | 574179     |         | 0     |
 | 960789  | v1:4     | ethernet1 | 1.1.1.2 | 574180     |         | 0     |
 | 960790  | v1:4     | ethernet1 | 1.1.1.2 | 574181     |         | 0     |
 | 960791  | null     | null      | null    | unlabelled |         | 0     |
 | 960792  | null     | null      | null    | unlabelled |         | 0     |
 | 960793  | null     | null      | null    | unlabelled |         | 0     |
 | 960794  | null     | null      | null    | unlabelled |         | 0     |
 | 960795  | null     | null      | null    | unlabelled |         | 0     |
 | 1025998 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 35646  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 307562 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 313697 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 319765 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 383060 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 451173 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 554061 | null     | null      | null    | unlabelled |         | 0     |
 | 554062 | v1:6     | ethernet1 | 1234::1 | 445990     |         | 1280  |
 | 554063 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 554064 | v1:6     | ethernet2 | 1235::3 | 630725     |         | 640   |
 | 554065 | v1:6     | ethernet2 | 1235::3 | 630726     |         | 640   |
 | 554066 | null     | null      | null    | unlabelled |         | 0     |
 | 554067 | null     | null      | null    | unlabelled |         | 0     |
 | 554068 | null     | null      | null    | unlabelled |         | 0     |
 | 554069 | null     | null      | null    | unlabelled |         | 0     |
 | 554070 | null     | null      | null    | unlabelled |         | 0     |
 | 574177 | null     | null      | null    | unlabelled |         | 0     |
 | 574178 | v1:4     | ethernet1 | 1.1.1.1 | 960787     |         | 1280  |
 | 574179 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 574180 | v1:4     | ethernet2 | 1.1.2.3 | 729098     |         | 640   |
 | 574181 | v1:4     | ethernet2 | 1.1.2.3 | 729099     |         | 640   |
 | 574182 | null     | null      | null    | unlabelled |         | 0     |
 | 574183 | null     | null      | null    | unlabelled |         | 0     |
 | 574184 | null     | null      | null    | unlabelled |         | 0     |
 | 574185 | null     | null      | null    | unlabelled |         | 0     |
 | 574186 | null     | null      | null    | unlabelled |         | 0     |
 | 608446 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 773394 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 29378  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 247905 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 317015 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 362151 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 366477 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 429773 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 630722 | null     | null      | null    | unlabelled |         | 0     |
 | 630723 | v1:6     | ethernet1 | 1235::2 | 554062     |         | 640   |
 | 630724 | v1:6     | ethernet1 | 1235::2 | 554063     |         | 640   |
 | 630725 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 630726 | v1:6     | ethernet2 | 1236::4 | 376478     |         | 1280  |
 | 630727 | null     | null      | null    | unlabelled |         | 0     |
 | 630728 | null     | null      | null    | unlabelled |         | 0     |
 | 630729 | null     | null      | null    | unlabelled |         | 0     |
 | 630730 | null     | null      | null    | unlabelled |         | 0     |
 | 630731 | null     | null      | null    | unlabelled |         | 0     |
 | 729095 | null     | null      | null    | unlabelled |         | 0     |
 | 729096 | v1:4     | ethernet1 | 1.1.2.2 | 574178     |         | 640   |
 | 729097 | v1:4     | ethernet1 | 1.1.2.2 | 574179     |         | 640   |
 | 729098 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 729099 | v1:4     | ethernet2 | 1.1.3.4 | 737903     |         | 1280  |
 | 729100 | null     | null      | null    | unlabelled |         | 0     |
 | 729101 | null     | null      | null    | unlabelled |         | 0     |
 | 729102 | null     | null      | null    | unlabelled |         | 0     |
 | 729103 | null     | null      | null    | unlabelled |         | 0     |
 | 729104 | null     | null      | null    | unlabelled |         | 0     |
 | 833868 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 856037 | v1:4     | ethernet2 | 1.1.3.4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 376474  | null     | null      | null    | unlabelled |         | 0     |
 | 376475  | v1:6     | ethernet1 | 1236::3 | 630723     |         | 0     |
 | 376476  | v1:6     | ethernet1 | 1236::3 | 630724     |         | 0     |
 | 376477  | v1:6     | ethernet1 | 1236::3 | 630725     |         | 0     |
 | 376478  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 376479  | null     | null      | null    | unlabelled |         | 0     |
 | 376480  | null     | null      | null    | unlabelled |         | 0     |
 | 376481  | null     | null      | null    | unlabelled |         | 0     |
 | 376482  | null     | null      | null    | unlabelled |         | 0     |
 | 376483  | null     | null      | null    | unlabelled |         | 0     |
 | 456913  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 470318  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 542591  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 689157  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 737899  | null     | null      | null    | unlabelled |         | 0     |
 | 737900  | v1:4     | ethernet1 | 1.1.3.3 | 729096     |         | 0     |
 | 737901  | v1:4     | ethernet1 | 1.1.3.3 | 729097     |         | 0     |
 | 737902  | v1:4     | ethernet1 | 1.1.3.3 | 729098     |         | 0     |
 | 737903  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 737904  | null     | null      | null    | unlabelled |         | 0     |
 | 737905  | null     | null      | null    | unlabelled |         | 0     |
 | 737906  | null     | null      | null    | unlabelled |         | 0     |
 | 737907  | null     | null      | null    | unlabelled |         | 0     |
 | 737908  | null     | null      | null    | unlabelled |         | 0     |
 | 887272  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 1001567 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#