here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 120797 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 126617 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 366503 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 431130 | null     | null      | null    | unlabelled |         | 0     |
 | 431131 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 431132 | v1:4     | ethernet1 | 1.1.1.2 | 283137     |         | 0     |
 | 431133 | v1:4     | ethernet1 | 1.1.1.2 | 283138     |         | 0     |
 | 431134 | v1:4     | ethernet1 | 1.1.1.2 | 283139     |         | 0     |
 | 431135 | null     | null      | null    | unlabelled |         | 0     |
 | 431136 | null     | null      | null    | unlabelled |         | 0     |
 | 431137 | null     | null      | null    | unlabelled |         | 0     |
 | 431138 | null     | null      | null    | unlabelled |         | 0     |
 | 431139 | null     | null      | null    | unlabelled |         | 0     |
 | 508954 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 607763 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 661399 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 690169 | null     | null      | null    | unlabelled |         | 0     |
 | 690170 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 690171 | v1:6     | ethernet1 | 1234::2 | 150807     |         | 0     |
 | 690172 | v1:6     | ethernet1 | 1234::2 | 150808     |         | 0     |
 | 690173 | v1:6     | ethernet1 | 1234::2 | 150809     |         | 0     |
 | 690174 | null     | null      | null    | unlabelled |         | 0     |
 | 690175 | null     | null      | null    | unlabelled |         | 0     |
 | 690176 | null     | null      | null    | unlabelled |         | 0     |
 | 690177 | null     | null      | null    | unlabelled |         | 0     |
 | 690178 | null     | null      | null    | unlabelled |         | 0     |
 | 776719 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 778190 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 877369 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 960757 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 129123  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 134182  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 150805  | null     | null      | null    | unlabelled |         | 0     |
 | 150806  | v1:6     | ethernet1 | 1234::1 | 690170     |         | 1280  |
 | 150807  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 150808  | v1:6     | ethernet2 | 1235::3 | 303281     |         | 640   |
 | 150809  | v1:6     | ethernet2 | 1235::3 | 303282     |         | 640   |
 | 150810  | null     | null      | null    | unlabelled |         | 0     |
 | 150811  | null     | null      | null    | unlabelled |         | 0     |
 | 150812  | null     | null      | null    | unlabelled |         | 0     |
 | 150813  | null     | null      | null    | unlabelled |         | 0     |
 | 150814  | null     | null      | null    | unlabelled |         | 0     |
 | 190020  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 276879  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 283135  | null     | null      | null    | unlabelled |         | 0     |
 | 283136  | v1:4     | ethernet1 | 1.1.1.1 | 431131     |         | 1280  |
 | 283137  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 283138  | v1:4     | ethernet2 | 1.1.2.3 | 387665     |         | 640   |
 | 283139  | v1:4     | ethernet2 | 1.1.2.3 | 387666     |         | 640   |
 | 283140  | null     | null      | null    | unlabelled |         | 0     |
 | 283141  | null     | null      | null    | unlabelled |         | 0     |
 | 283142  | null     | null      | null    | unlabelled |         | 0     |
 | 283143  | null     | null      | null    | unlabelled |         | 0     |
 | 283144  | null     | null      | null    | unlabelled |         | 0     |
 | 331342  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 354713  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 386781  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 728121  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 772309  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 801474  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 959914  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1019437 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 73210   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 184001  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 188141  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 303278  | null     | null      | null    | unlabelled |         | 0     |
 | 303279  | v1:6     | ethernet1 | 1235::2 | 150806     |         | 640   |
 | 303280  | v1:6     | ethernet1 | 1235::2 | 150807     |         | 640   |
 | 303281  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 303282  | v1:6     | ethernet2 | 1236::4 | 194300     |         | 1280  |
 | 303283  | null     | null      | null    | unlabelled |         | 0     |
 | 303284  | null     | null      | null    | unlabelled |         | 0     |
 | 303285  | null     | null      | null    | unlabelled |         | 0     |
 | 303286  | null     | null      | null    | unlabelled |         | 0     |
 | 303287  | null     | null      | null    | unlabelled |         | 0     |
 | 387662  | null     | null      | null    | unlabelled |         | 0     |
 | 387663  | v1:4     | ethernet1 | 1.1.2.2 | 283136     |         | 640   |
 | 387664  | v1:4     | ethernet1 | 1.1.2.2 | 283137     |         | 640   |
 | 387665  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 387666  | v1:4     | ethernet2 | 1.1.3.4 | 422090     |         | 1280  |
 | 387667  | null     | null      | null    | unlabelled |         | 0     |
 | 387668  | null     | null      | null    | unlabelled |         | 0     |
 | 387669  | null     | null      | null    | unlabelled |         | 0     |
 | 387670  | null     | null      | null    | unlabelled |         | 0     |
 | 387671  | null     | null      | null    | unlabelled |         | 0     |
 | 459065  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 460179  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 511594  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 620305  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 690429  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 859698  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 937997  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 945113  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1016857 | v1:4     | ethernet1 | 1.1.2.2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 123791 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 131297 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 143505 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 194296 | null     | null      | null    | unlabelled |         | 0     |
 | 194297 | v1:6     | ethernet1 | 1236::3 | 303279     |         | 0     |
 | 194298 | v1:6     | ethernet1 | 1236::3 | 303280     |         | 0     |
 | 194299 | v1:6     | ethernet1 | 1236::3 | 303281     |         | 0     |
 | 194300 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 194301 | null     | null      | null    | unlabelled |         | 0     |
 | 194302 | null     | null      | null    | unlabelled |         | 0     |
 | 194303 | null     | null      | null    | unlabelled |         | 0     |
 | 194304 | null     | null      | null    | unlabelled |         | 0     |
 | 194305 | null     | null      | null    | unlabelled |         | 0     |
 | 342487 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 343317 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 410488 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 422086 | null     | null      | null    | unlabelled |         | 0     |
 | 422087 | v1:4     | ethernet1 | 1.1.3.3 | 387663     |         | 0     |
 | 422088 | v1:4     | ethernet1 | 1.1.3.3 | 387664     |         | 0     |
 | 422089 | v1:4     | ethernet1 | 1.1.3.3 | 387665     |         | 0     |
 | 422090 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 422091 | null     | null      | null    | unlabelled |         | 0     |
 | 422092 | null     | null      | null    | unlabelled |         | 0     |
 | 422093 | null     | null      | null    | unlabelled |         | 0     |
 | 422094 | null     | null      | null    | unlabelled |         | 0     |
 | 422095 | null     | null      | null    | unlabelled |         | 0     |
 | 460499 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 682833 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 724401 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 925540 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#