here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 74536  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 179810 | null     | null      | null    | unlabelled |         | 0     |
 | 179811 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 179812 | v1:6     | ethernet1 | 1234::2 | 551672     |         | 0     |
 | 179813 | v1:6     | ethernet1 | 1234::2 | 551673     |         | 0     |
 | 179814 | v1:6     | ethernet1 | 1234::2 | 551674     |         | 0     |
 | 179815 | null     | null      | null    | unlabelled |         | 0     |
 | 179816 | null     | null      | null    | unlabelled |         | 0     |
 | 179817 | null     | null      | null    | unlabelled |         | 0     |
 | 179818 | null     | null      | null    | unlabelled |         | 0     |
 | 179819 | null     | null      | null    | unlabelled |         | 0     |
 | 250797 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 356719 | null     | null      | null    | unlabelled |         | 0     |
 | 356720 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 356721 | v1:4     | ethernet1 | 1.1.1.2 | 655052     |         | 0     |
 | 356722 | v1:4     | ethernet1 | 1.1.1.2 | 655053     |         | 0     |
 | 356723 | v1:4     | ethernet1 | 1.1.1.2 | 655054     |         | 0     |
 | 356724 | null     | null      | null    | unlabelled |         | 0     |
 | 356725 | null     | null      | null    | unlabelled |         | 0     |
 | 356726 | null     | null      | null    | unlabelled |         | 0     |
 | 356727 | null     | null      | null    | unlabelled |         | 0     |
 | 356728 | null     | null      | null    | unlabelled |         | 0     |
 | 378750 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 625093 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 769665 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 875800 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 52157  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 109462 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 297348 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 322620 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 474870 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 521437 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 544667 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 551670 | null     | null      | null    | unlabelled |         | 0     |
 | 551671 | v1:6     | ethernet1 | 1234::1 | 179811     |         | 1280  |
 | 551672 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 551673 | v1:6     | ethernet2 | 1235::3 | 155586     |         | 640   |
 | 551674 | v1:6     | ethernet2 | 1235::3 | 155587     |         | 640   |
 | 551675 | null     | null      | null    | unlabelled |         | 0     |
 | 551676 | null     | null      | null    | unlabelled |         | 0     |
 | 551677 | null     | null      | null    | unlabelled |         | 0     |
 | 551678 | null     | null      | null    | unlabelled |         | 0     |
 | 551679 | null     | null      | null    | unlabelled |         | 0     |
 | 655050 | null     | null      | null    | unlabelled |         | 0     |
 | 655051 | v1:4     | ethernet1 | 1.1.1.1 | 356720     |         | 1280  |
 | 655052 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 655053 | v1:4     | ethernet2 | 1.1.2.3 | 911379     |         | 640   |
 | 655054 | v1:4     | ethernet2 | 1.1.2.3 | 911380     |         | 640   |
 | 655055 | null     | null      | null    | unlabelled |         | 0     |
 | 655056 | null     | null      | null    | unlabelled |         | 0     |
 | 655057 | null     | null      | null    | unlabelled |         | 0     |
 | 655058 | null     | null      | null    | unlabelled |         | 0     |
 | 655059 | null     | null      | null    | unlabelled |         | 0     |
 | 920705 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 12603   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 155583  | null     | null      | null    | unlabelled |         | 0     |
 | 155584  | v1:6     | ethernet1 | 1235::2 | 551671     |         | 640   |
 | 155585  | v1:6     | ethernet1 | 1235::2 | 551672     |         | 640   |
 | 155586  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 155587  | v1:6     | ethernet2 | 1236::4 | 1019527    |         | 1280  |
 | 155588  | null     | null      | null    | unlabelled |         | 0     |
 | 155589  | null     | null      | null    | unlabelled |         | 0     |
 | 155590  | null     | null      | null    | unlabelled |         | 0     |
 | 155591  | null     | null      | null    | unlabelled |         | 0     |
 | 155592  | null     | null      | null    | unlabelled |         | 0     |
 | 316662  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 361309  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 444981  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 506160  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 532309  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 724539  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 911376  | null     | null      | null    | unlabelled |         | 0     |
 | 911377  | v1:4     | ethernet1 | 1.1.2.2 | 655051     |         | 640   |
 | 911378  | v1:4     | ethernet1 | 1.1.2.2 | 655052     |         | 640   |
 | 911379  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 911380  | v1:4     | ethernet2 | 1.1.3.4 | 670938     |         | 1280  |
 | 911381  | null     | null      | null    | unlabelled |         | 0     |
 | 911382  | null     | null      | null    | unlabelled |         | 0     |
 | 911383  | null     | null      | null    | unlabelled |         | 0     |
 | 911384  | null     | null      | null    | unlabelled |         | 0     |
 | 911385  | null     | null      | null    | unlabelled |         | 0     |
 | 1039736 | v1:4     | ethernet2 | 1.1.3.4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 572416  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 578085  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 599152  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 670934  | null     | null      | null    | unlabelled |         | 0     |
 | 670935  | v1:4     | ethernet1 | 1.1.3.3 | 911377     |         | 0     |
 | 670936  | v1:4     | ethernet1 | 1.1.3.3 | 911378     |         | 0     |
 | 670937  | v1:4     | ethernet1 | 1.1.3.3 | 911379     |         | 0     |
 | 670938  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 670939  | null     | null      | null    | unlabelled |         | 0     |
 | 670940  | null     | null      | null    | unlabelled |         | 0     |
 | 670941  | null     | null      | null    | unlabelled |         | 0     |
 | 670942  | null     | null      | null    | unlabelled |         | 0     |
 | 670943  | null     | null      | null    | unlabelled |         | 0     |
 | 800527  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 851764  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 939980  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1019523 | null     | null      | null    | unlabelled |         | 0     |
 | 1019524 | v1:6     | ethernet1 | 1236::3 | 155584     |         | 0     |
 | 1019525 | v1:6     | ethernet1 | 1236::3 | 155585     |         | 0     |
 | 1019526 | v1:6     | ethernet1 | 1236::3 | 155586     |         | 0     |
 | 1019527 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1019528 | null     | null      | null    | unlabelled |         | 0     |
 | 1019529 | null     | null      | null    | unlabelled |         | 0     |
 | 1019530 | null     | null      | null    | unlabelled |         | 0     |
 | 1019531 | null     | null      | null    | unlabelled |         | 0     |
 | 1019532 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#