here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 289712  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 313439  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 319580  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 322709  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 507961  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 520339  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 562668  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 597781  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 707411  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 715828  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 742159  | null     | null      | null    | unlabelled |         | 0     |
 | 742160  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 742161  | v1:4     | ethernet1 | 1.1.1.2 | 44467      |         | 0     |
 | 742162  | v1:4     | ethernet1 | 1.1.1.2 | 44468      |         | 0     |
 | 742163  | v1:4     | ethernet1 | 1.1.1.2 | 44469      |         | 0     |
 | 742164  | null     | null      | null    | unlabelled |         | 0     |
 | 742165  | null     | null      | null    | unlabelled |         | 0     |
 | 742166  | null     | null      | null    | unlabelled |         | 0     |
 | 742167  | null     | null      | null    | unlabelled |         | 0     |
 | 742168  | null     | null      | null    | unlabelled |         | 0     |
 | 1009052 | null     | null      | null    | unlabelled |         | 0     |
 | 1009053 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1009054 | v1:6     | ethernet1 | 1234::2 | 934967     |         | 0     |
 | 1009055 | v1:6     | ethernet1 | 1234::2 | 934968     |         | 0     |
 | 1009056 | v1:6     | ethernet1 | 1234::2 | 934969     |         | 0     |
 | 1009057 | null     | null      | null    | unlabelled |         | 0     |
 | 1009058 | null     | null      | null    | unlabelled |         | 0     |
 | 1009059 | null     | null      | null    | unlabelled |         | 0     |
 | 1009060 | null     | null      | null    | unlabelled |         | 0     |
 | 1009061 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 44465  | null     | null      | null    | unlabelled |         | 0     |
 | 44466  | v1:4     | ethernet1 | 1.1.1.1 | 742160     |         | 1280  |
 | 44467  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 44468  | v1:4     | ethernet2 | 1.1.2.3 | 462479     |         | 640   |
 | 44469  | v1:4     | ethernet2 | 1.1.2.3 | 462480     |         | 640   |
 | 44470  | null     | null      | null    | unlabelled |         | 0     |
 | 44471  | null     | null      | null    | unlabelled |         | 0     |
 | 44472  | null     | null      | null    | unlabelled |         | 0     |
 | 44473  | null     | null      | null    | unlabelled |         | 0     |
 | 44474  | null     | null      | null    | unlabelled |         | 0     |
 | 95791  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 269073 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 271799 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 315419 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 330350 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 401101 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 677585 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 677898 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 704764 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 836808 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 934965 | null     | null      | null    | unlabelled |         | 0     |
 | 934966 | v1:6     | ethernet1 | 1234::1 | 1009053    |         | 1280  |
 | 934967 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 934968 | v1:6     | ethernet2 | 1235::3 | 1037217    |         | 640   |
 | 934969 | v1:6     | ethernet2 | 1235::3 | 1037218    |         | 640   |
 | 934970 | null     | null      | null    | unlabelled |         | 0     |
 | 934971 | null     | null      | null    | unlabelled |         | 0     |
 | 934972 | null     | null      | null    | unlabelled |         | 0     |
 | 934973 | null     | null      | null    | unlabelled |         | 0     |
 | 934974 | null     | null      | null    | unlabelled |         | 0     |
 | 937757 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 954388 | v1:6     | ethernet2 | 1235::3 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 18290   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 55404   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 181809  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 196984  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 224680  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 316133  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 362425  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 447346  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 462476  | null     | null      | null    | unlabelled |         | 0     |
 | 462477  | v1:4     | ethernet1 | 1.1.2.2 | 44466      |         | 640   |
 | 462478  | v1:4     | ethernet1 | 1.1.2.2 | 44467      |         | 640   |
 | 462479  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 462480  | v1:4     | ethernet2 | 1.1.3.4 | 482193     |         | 1280  |
 | 462481  | null     | null      | null    | unlabelled |         | 0     |
 | 462482  | null     | null      | null    | unlabelled |         | 0     |
 | 462483  | null     | null      | null    | unlabelled |         | 0     |
 | 462484  | null     | null      | null    | unlabelled |         | 0     |
 | 462485  | null     | null      | null    | unlabelled |         | 0     |
 | 508612  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 512224  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 1016450 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 1020840 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1037214 | null     | null      | null    | unlabelled |         | 0     |
 | 1037215 | v1:6     | ethernet1 | 1235::2 | 934966     |         | 640   |
 | 1037216 | v1:6     | ethernet1 | 1235::2 | 934967     |         | 640   |
 | 1037217 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1037218 | v1:6     | ethernet2 | 1236::4 | 549192     |         | 1280  |
 | 1037219 | null     | null      | null    | unlabelled |         | 0     |
 | 1037220 | null     | null      | null    | unlabelled |         | 0     |
 | 1037221 | null     | null      | null    | unlabelled |         | 0     |
 | 1037222 | null     | null      | null    | unlabelled |         | 0     |
 | 1037223 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 11888   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 245201  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 285521  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 356792  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 420666  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 441056  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 466524  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 482189  | null     | null      | null    | unlabelled |         | 0     |
 | 482190  | v1:4     | ethernet1 | 1.1.3.3 | 462477     |         | 0     |
 | 482191  | v1:4     | ethernet1 | 1.1.3.3 | 462478     |         | 0     |
 | 482192  | v1:4     | ethernet1 | 1.1.3.3 | 462479     |         | 0     |
 | 482193  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 482194  | null     | null      | null    | unlabelled |         | 0     |
 | 482195  | null     | null      | null    | unlabelled |         | 0     |
 | 482196  | null     | null      | null    | unlabelled |         | 0     |
 | 482197  | null     | null      | null    | unlabelled |         | 0     |
 | 482198  | null     | null      | null    | unlabelled |         | 0     |
 | 549188  | null     | null      | null    | unlabelled |         | 0     |
 | 549189  | v1:6     | ethernet1 | 1236::3 | 1037215    |         | 0     |
 | 549190  | v1:6     | ethernet1 | 1236::3 | 1037216    |         | 0     |
 | 549191  | v1:6     | ethernet1 | 1236::3 | 1037217    |         | 0     |
 | 549192  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 549193  | null     | null      | null    | unlabelled |         | 0     |
 | 549194  | null     | null      | null    | unlabelled |         | 0     |
 | 549195  | null     | null      | null    | unlabelled |         | 0     |
 | 549196  | null     | null      | null    | unlabelled |         | 0     |
 | 549197  | null     | null      | null    | unlabelled |         | 0     |
 | 804446  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 869701  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1039620 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#