here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 116440  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 260498  | null     | null      | null    | unlabelled |         | 0     |
 | 260499  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 260500  | v1:4     | ethernet1 | 1.1.1.2 | 801333     |         | 0     |
 | 260501  | v1:4     | ethernet1 | 1.1.1.2 | 801334     |         | 0     |
 | 260502  | v1:4     | ethernet1 | 1.1.1.2 | 801335     |         | 0     |
 | 260503  | null     | null      | null    | unlabelled |         | 0     |
 | 260504  | null     | null      | null    | unlabelled |         | 0     |
 | 260505  | null     | null      | null    | unlabelled |         | 0     |
 | 260506  | null     | null      | null    | unlabelled |         | 0     |
 | 260507  | null     | null      | null    | unlabelled |         | 0     |
 | 601012  | null     | null      | null    | unlabelled |         | 0     |
 | 601013  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 601014  | v1:6     | ethernet1 | 1234::2 | 423343     |         | 0     |
 | 601015  | v1:6     | ethernet1 | 1234::2 | 423344     |         | 0     |
 | 601016  | v1:6     | ethernet1 | 1234::2 | 423345     |         | 0     |
 | 601017  | null     | null      | null    | unlabelled |         | 0     |
 | 601018  | null     | null      | null    | unlabelled |         | 0     |
 | 601019  | null     | null      | null    | unlabelled |         | 0     |
 | 601020  | null     | null      | null    | unlabelled |         | 0     |
 | 601021  | null     | null      | null    | unlabelled |         | 0     |
 | 650461  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 697054  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 706062  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 906934  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 1013832 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 109276 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 409252 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 423341 | null     | null      | null    | unlabelled |         | 0     |
 | 423342 | v1:6     | ethernet1 | 1234::1 | 601013     |         | 1280  |
 | 423343 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 423344 | v1:6     | ethernet2 | 1235::3 | 808271     |         | 640   |
 | 423345 | v1:6     | ethernet2 | 1235::3 | 808272     |         | 640   |
 | 423346 | null     | null      | null    | unlabelled |         | 0     |
 | 423347 | null     | null      | null    | unlabelled |         | 0     |
 | 423348 | null     | null      | null    | unlabelled |         | 0     |
 | 423349 | null     | null      | null    | unlabelled |         | 0     |
 | 423350 | null     | null      | null    | unlabelled |         | 0     |
 | 555193 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 661880 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 699880 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 801331 | null     | null      | null    | unlabelled |         | 0     |
 | 801332 | v1:4     | ethernet1 | 1.1.1.1 | 260499     |         | 1280  |
 | 801333 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 801334 | v1:4     | ethernet2 | 1.1.2.3 | 226194     |         | 640   |
 | 801335 | v1:4     | ethernet2 | 1.1.2.3 | 226195     |         | 640   |
 | 801336 | null     | null      | null    | unlabelled |         | 0     |
 | 801337 | null     | null      | null    | unlabelled |         | 0     |
 | 801338 | null     | null      | null    | unlabelled |         | 0     |
 | 801339 | null     | null      | null    | unlabelled |         | 0     |
 | 801340 | null     | null      | null    | unlabelled |         | 0     |
 | 802967 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 893999 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 906544 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 5798   | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 38192  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 67806  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 226191 | null     | null      | null    | unlabelled |         | 0     |
 | 226192 | v1:4     | ethernet1 | 1.1.2.2 | 801332     |         | 640   |
 | 226193 | v1:4     | ethernet1 | 1.1.2.2 | 801333     |         | 640   |
 | 226194 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 226195 | v1:4     | ethernet2 | 1.1.3.4 | 269071     |         | 1280  |
 | 226196 | null     | null      | null    | unlabelled |         | 0     |
 | 226197 | null     | null      | null    | unlabelled |         | 0     |
 | 226198 | null     | null      | null    | unlabelled |         | 0     |
 | 226199 | null     | null      | null    | unlabelled |         | 0     |
 | 226200 | null     | null      | null    | unlabelled |         | 0     |
 | 332701 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 374686 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 609104 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 768776 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 808268 | null     | null      | null    | unlabelled |         | 0     |
 | 808269 | v1:6     | ethernet1 | 1235::2 | 423342     |         | 640   |
 | 808270 | v1:6     | ethernet1 | 1235::2 | 423343     |         | 640   |
 | 808271 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 808272 | v1:6     | ethernet2 | 1236::4 | 533325     |         | 1280  |
 | 808273 | null     | null      | null    | unlabelled |         | 0     |
 | 808274 | null     | null      | null    | unlabelled |         | 0     |
 | 808275 | null     | null      | null    | unlabelled |         | 0     |
 | 808276 | null     | null      | null    | unlabelled |         | 0     |
 | 808277 | null     | null      | null    | unlabelled |         | 0     |
 | 958879 | v1:4     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 269067  | null     | null      | null    | unlabelled |         | 0     |
 | 269068  | v1:4     | ethernet1 | 1.1.3.3 | 226192     |         | 0     |
 | 269069  | v1:4     | ethernet1 | 1.1.3.3 | 226193     |         | 0     |
 | 269070  | v1:4     | ethernet1 | 1.1.3.3 | 226194     |         | 0     |
 | 269071  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 269072  | null     | null      | null    | unlabelled |         | 0     |
 | 269073  | null     | null      | null    | unlabelled |         | 0     |
 | 269074  | null     | null      | null    | unlabelled |         | 0     |
 | 269075  | null     | null      | null    | unlabelled |         | 0     |
 | 269076  | null     | null      | null    | unlabelled |         | 0     |
 | 468196  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 522835  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 533321  | null     | null      | null    | unlabelled |         | 0     |
 | 533322  | v1:6     | ethernet1 | 1236::3 | 808269     |         | 0     |
 | 533323  | v1:6     | ethernet1 | 1236::3 | 808270     |         | 0     |
 | 533324  | v1:6     | ethernet1 | 1236::3 | 808271     |         | 0     |
 | 533325  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 533326  | null     | null      | null    | unlabelled |         | 0     |
 | 533327  | null     | null      | null    | unlabelled |         | 0     |
 | 533328  | null     | null      | null    | unlabelled |         | 0     |
 | 533329  | null     | null      | null    | unlabelled |         | 0     |
 | 533330  | null     | null      | null    | unlabelled |         | 0     |
 | 584139  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 640425  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 866576  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 1019454 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#