here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 63017   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 88315   | null     | null      | null    | unlabelled |         | 0     |
 | 88316   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 88317   | v1:6     | ethernet1 | 1234::2 | 648428     |         | 0     |
 | 88318   | v1:6     | ethernet1 | 1234::2 | 648429     |         | 0     |
 | 88319   | v1:6     | ethernet1 | 1234::2 | 648430     |         | 0     |
 | 88320   | null     | null      | null    | unlabelled |         | 0     |
 | 88321   | null     | null      | null    | unlabelled |         | 0     |
 | 88322   | null     | null      | null    | unlabelled |         | 0     |
 | 88323   | null     | null      | null    | unlabelled |         | 0     |
 | 88324   | null     | null      | null    | unlabelled |         | 0     |
 | 372373  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 519222  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 634227  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 646702  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 654949  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 686663  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 776537  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 826953  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 936663  | null     | null      | null    | unlabelled |         | 0     |
 | 936664  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 936665  | v1:4     | ethernet1 | 1.1.1.2 | 222941     |         | 0     |
 | 936666  | v1:4     | ethernet1 | 1.1.1.2 | 222942     |         | 0     |
 | 936667  | v1:4     | ethernet1 | 1.1.1.2 | 222943     |         | 0     |
 | 936668  | null     | null      | null    | unlabelled |         | 0     |
 | 936669  | null     | null      | null    | unlabelled |         | 0     |
 | 936670  | null     | null      | null    | unlabelled |         | 0     |
 | 936671  | null     | null      | null    | unlabelled |         | 0     |
 | 936672  | null     | null      | null    | unlabelled |         | 0     |
 | 1005877 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 222939 | null     | null      | null    | unlabelled |         | 0     |
 | 222940 | v1:4     | ethernet1 | 1.1.1.1 | 936664     |         | 1280  |
 | 222941 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 222942 | v1:4     | ethernet2 | 1.1.2.3 | 382686     |         | 640   |
 | 222943 | v1:4     | ethernet2 | 1.1.2.3 | 382687     |         | 640   |
 | 222944 | null     | null      | null    | unlabelled |         | 0     |
 | 222945 | null     | null      | null    | unlabelled |         | 0     |
 | 222946 | null     | null      | null    | unlabelled |         | 0     |
 | 222947 | null     | null      | null    | unlabelled |         | 0     |
 | 222948 | null     | null      | null    | unlabelled |         | 0     |
 | 299858 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 340623 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 419433 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 419462 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 451659 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 525800 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 632087 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 648426 | null     | null      | null    | unlabelled |         | 0     |
 | 648427 | v1:6     | ethernet1 | 1234::1 | 88316      |         | 1280  |
 | 648428 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 648429 | v1:6     | ethernet2 | 1235::3 | 892428     |         | 640   |
 | 648430 | v1:6     | ethernet2 | 1235::3 | 892429     |         | 640   |
 | 648431 | null     | null      | null    | unlabelled |         | 0     |
 | 648432 | null     | null      | null    | unlabelled |         | 0     |
 | 648433 | null     | null      | null    | unlabelled |         | 0     |
 | 648434 | null     | null      | null    | unlabelled |         | 0     |
 | 648435 | null     | null      | null    | unlabelled |         | 0     |
 | 757220 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 796156 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 875460 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 916106 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 947574 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 54136   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 319661  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 352262  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 378026  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 382683  | null     | null      | null    | unlabelled |         | 0     |
 | 382684  | v1:4     | ethernet1 | 1.1.2.2 | 222940     |         | 640   |
 | 382685  | v1:4     | ethernet1 | 1.1.2.2 | 222941     |         | 640   |
 | 382686  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 382687  | v1:4     | ethernet2 | 1.1.3.4 | 265112     |         | 1280  |
 | 382688  | null     | null      | null    | unlabelled |         | 0     |
 | 382689  | null     | null      | null    | unlabelled |         | 0     |
 | 382690  | null     | null      | null    | unlabelled |         | 0     |
 | 382691  | null     | null      | null    | unlabelled |         | 0     |
 | 382692  | null     | null      | null    | unlabelled |         | 0     |
 | 466365  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 534245  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 558721  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 651139  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 656082  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 832442  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 892425  | null     | null      | null    | unlabelled |         | 0     |
 | 892426  | v1:6     | ethernet1 | 1235::2 | 648427     |         | 640   |
 | 892427  | v1:6     | ethernet1 | 1235::2 | 648428     |         | 640   |
 | 892428  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 892429  | v1:6     | ethernet2 | 1236::4 | 455646     |         | 1280  |
 | 892430  | null     | null      | null    | unlabelled |         | 0     |
 | 892431  | null     | null      | null    | unlabelled |         | 0     |
 | 892432  | null     | null      | null    | unlabelled |         | 0     |
 | 892433  | null     | null      | null    | unlabelled |         | 0     |
 | 892434  | null     | null      | null    | unlabelled |         | 0     |
 | 1019600 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1036676 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 14388   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 99713   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 180946  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 220492  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 265108  | null     | null      | null    | unlabelled |         | 0     |
 | 265109  | v1:4     | ethernet1 | 1.1.3.3 | 382684     |         | 0     |
 | 265110  | v1:4     | ethernet1 | 1.1.3.3 | 382685     |         | 0     |
 | 265111  | v1:4     | ethernet1 | 1.1.3.3 | 382686     |         | 0     |
 | 265112  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 265113  | null     | null      | null    | unlabelled |         | 0     |
 | 265114  | null     | null      | null    | unlabelled |         | 0     |
 | 265115  | null     | null      | null    | unlabelled |         | 0     |
 | 265116  | null     | null      | null    | unlabelled |         | 0     |
 | 265117  | null     | null      | null    | unlabelled |         | 0     |
 | 279944  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 455642  | null     | null      | null    | unlabelled |         | 0     |
 | 455643  | v1:6     | ethernet1 | 1236::3 | 892426     |         | 0     |
 | 455644  | v1:6     | ethernet1 | 1236::3 | 892427     |         | 0     |
 | 455645  | v1:6     | ethernet1 | 1236::3 | 892428     |         | 0     |
 | 455646  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 455647  | null     | null      | null    | unlabelled |         | 0     |
 | 455648  | null     | null      | null    | unlabelled |         | 0     |
 | 455649  | null     | null      | null    | unlabelled |         | 0     |
 | 455650  | null     | null      | null    | unlabelled |         | 0     |
 | 455651  | null     | null      | null    | unlabelled |         | 0     |
 | 515349  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 588145  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 605382  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 707115  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1010945 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#