here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 212    | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 75841  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 100922 | null     | null      | null    | unlabelled |         | 0     |
 | 100923 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 100924 | v1:6     | ethernet1 | 1234::2 | 592368     |         | 0     |
 | 100925 | v1:6     | ethernet1 | 1234::2 | 592369     |         | 0     |
 | 100926 | v1:6     | ethernet1 | 1234::2 | 592370     |         | 0     |
 | 100927 | null     | null      | null    | unlabelled |         | 0     |
 | 100928 | null     | null      | null    | unlabelled |         | 0     |
 | 100929 | null     | null      | null    | unlabelled |         | 0     |
 | 100930 | null     | null      | null    | unlabelled |         | 0     |
 | 100931 | null     | null      | null    | unlabelled |         | 0     |
 | 354676 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 673540 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 791914 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 960085 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 972573 | null     | null      | null    | unlabelled |         | 0     |
 | 972574 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 972575 | v1:4     | ethernet1 | 1.1.1.2 | 623377     |         | 0     |
 | 972576 | v1:4     | ethernet1 | 1.1.1.2 | 623378     |         | 0     |
 | 972577 | v1:4     | ethernet1 | 1.1.1.2 | 623379     |         | 0     |
 | 972578 | null     | null      | null    | unlabelled |         | 0     |
 | 972579 | null     | null      | null    | unlabelled |         | 0     |
 | 972580 | null     | null      | null    | unlabelled |         | 0     |
 | 972581 | null     | null      | null    | unlabelled |         | 0     |
 | 972582 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 62428  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 326864 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 408160 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 583642 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 592366 | null     | null      | null    | unlabelled |         | 0     |
 | 592367 | v1:6     | ethernet1 | 1234::1 | 100923     |         | 1280  |
 | 592368 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 592369 | v1:6     | ethernet2 | 1235::3 | 613754     |         | 640   |
 | 592370 | v1:6     | ethernet2 | 1235::3 | 613755     |         | 640   |
 | 592371 | null     | null      | null    | unlabelled |         | 0     |
 | 592372 | null     | null      | null    | unlabelled |         | 0     |
 | 592373 | null     | null      | null    | unlabelled |         | 0     |
 | 592374 | null     | null      | null    | unlabelled |         | 0     |
 | 592375 | null     | null      | null    | unlabelled |         | 0     |
 | 623375 | null     | null      | null    | unlabelled |         | 0     |
 | 623376 | v1:4     | ethernet1 | 1.1.1.1 | 972574     |         | 1280  |
 | 623377 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 623378 | v1:4     | ethernet2 | 1.1.2.3 | 249920     |         | 640   |
 | 623379 | v1:4     | ethernet2 | 1.1.2.3 | 249921     |         | 640   |
 | 623380 | null     | null      | null    | unlabelled |         | 0     |
 | 623381 | null     | null      | null    | unlabelled |         | 0     |
 | 623382 | null     | null      | null    | unlabelled |         | 0     |
 | 623383 | null     | null      | null    | unlabelled |         | 0     |
 | 623384 | null     | null      | null    | unlabelled |         | 0     |
 | 682416 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 752823 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 840523 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 856661 | v1:4     | ethernet2 | 1.1.2.3 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 10864  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 120153 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 194334 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 249917 | null     | null      | null    | unlabelled |         | 0     |
 | 249918 | v1:4     | ethernet1 | 1.1.2.2 | 623376     |         | 640   |
 | 249919 | v1:4     | ethernet1 | 1.1.2.2 | 623377     |         | 640   |
 | 249920 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 249921 | v1:4     | ethernet2 | 1.1.3.4 | 621329     |         | 1280  |
 | 249922 | null     | null      | null    | unlabelled |         | 0     |
 | 249923 | null     | null      | null    | unlabelled |         | 0     |
 | 249924 | null     | null      | null    | unlabelled |         | 0     |
 | 249925 | null     | null      | null    | unlabelled |         | 0     |
 | 249926 | null     | null      | null    | unlabelled |         | 0     |
 | 255032 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 613751 | null     | null      | null    | unlabelled |         | 0     |
 | 613752 | v1:6     | ethernet1 | 1235::2 | 592367     |         | 640   |
 | 613753 | v1:6     | ethernet1 | 1235::2 | 592368     |         | 640   |
 | 613754 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 613755 | v1:6     | ethernet2 | 1236::4 | 133645     |         | 1280  |
 | 613756 | null     | null      | null    | unlabelled |         | 0     |
 | 613757 | null     | null      | null    | unlabelled |         | 0     |
 | 613758 | null     | null      | null    | unlabelled |         | 0     |
 | 613759 | null     | null      | null    | unlabelled |         | 0     |
 | 613760 | null     | null      | null    | unlabelled |         | 0     |
 | 683794 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 831510 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 924165 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 981148 | v1:6     | ethernet2 | 1236::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 133641 | null     | null      | null    | unlabelled |         | 0     |
 | 133642 | v1:6     | ethernet1 | 1236::3 | 613752     |         | 0     |
 | 133643 | v1:6     | ethernet1 | 1236::3 | 613753     |         | 0     |
 | 133644 | v1:6     | ethernet1 | 1236::3 | 613754     |         | 0     |
 | 133645 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 133646 | null     | null      | null    | unlabelled |         | 0     |
 | 133647 | null     | null      | null    | unlabelled |         | 0     |
 | 133648 | null     | null      | null    | unlabelled |         | 0     |
 | 133649 | null     | null      | null    | unlabelled |         | 0     |
 | 133650 | null     | null      | null    | unlabelled |         | 0     |
 | 529258 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 621325 | null     | null      | null    | unlabelled |         | 0     |
 | 621326 | v1:4     | ethernet1 | 1.1.3.3 | 249918     |         | 0     |
 | 621327 | v1:4     | ethernet1 | 1.1.3.3 | 249919     |         | 0     |
 | 621328 | v1:4     | ethernet1 | 1.1.3.3 | 249920     |         | 0     |
 | 621329 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 621330 | null     | null      | null    | unlabelled |         | 0     |
 | 621331 | null     | null      | null    | unlabelled |         | 0     |
 | 621332 | null     | null      | null    | unlabelled |         | 0     |
 | 621333 | null     | null      | null    | unlabelled |         | 0     |
 | 621334 | null     | null      | null    | unlabelled |         | 0     |
 | 646463 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 724154 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 842589 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 940692 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 977910 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#