here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 48413   | null     | null      | null    | unlabelled |         | 0     |
 | 48414   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 48415   | v1:4     | ethernet1 | 1.1.1.2 | 728693     |         | 0     |
 | 48416   | v1:4     | ethernet1 | 1.1.1.2 | 728694     |         | 0     |
 | 48417   | v1:4     | ethernet1 | 1.1.1.2 | 728695     |         | 0     |
 | 48418   | null     | null      | null    | unlabelled |         | 0     |
 | 48419   | null     | null      | null    | unlabelled |         | 0     |
 | 48420   | null     | null      | null    | unlabelled |         | 0     |
 | 48421   | null     | null      | null    | unlabelled |         | 0     |
 | 48422   | null     | null      | null    | unlabelled |         | 0     |
 | 136560  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 139501  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 208825  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 226771  | null     | null      | null    | unlabelled |         | 0     |
 | 226772  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 226773  | v1:6     | ethernet1 | 1234::2 | 431745     |         | 0     |
 | 226774  | v1:6     | ethernet1 | 1234::2 | 431746     |         | 0     |
 | 226775  | v1:6     | ethernet1 | 1234::2 | 431747     |         | 0     |
 | 226776  | null     | null      | null    | unlabelled |         | 0     |
 | 226777  | null     | null      | null    | unlabelled |         | 0     |
 | 226778  | null     | null      | null    | unlabelled |         | 0     |
 | 226779  | null     | null      | null    | unlabelled |         | 0     |
 | 226780  | null     | null      | null    | unlabelled |         | 0     |
 | 397890  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 480212  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 593803  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 671074  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 686888  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 948199  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 1031361 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 53019  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 86196  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 89739  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 203389 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 266756 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 431743 | null     | null      | null    | unlabelled |         | 0     |
 | 431744 | v1:6     | ethernet1 | 1234::1 | 226772     |         | 1280  |
 | 431745 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 431746 | v1:6     | ethernet2 | 1235::3 | 293980     |         | 640   |
 | 431747 | v1:6     | ethernet2 | 1235::3 | 293981     |         | 640   |
 | 431748 | null     | null      | null    | unlabelled |         | 0     |
 | 431749 | null     | null      | null    | unlabelled |         | 0     |
 | 431750 | null     | null      | null    | unlabelled |         | 0     |
 | 431751 | null     | null      | null    | unlabelled |         | 0     |
 | 431752 | null     | null      | null    | unlabelled |         | 0     |
 | 435785 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 443623 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 519718 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 556382 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 639957 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 728691 | null     | null      | null    | unlabelled |         | 0     |
 | 728692 | v1:4     | ethernet1 | 1.1.1.1 | 48414      |         | 1280  |
 | 728693 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 728694 | v1:4     | ethernet2 | 1.1.2.3 | 741233     |         | 640   |
 | 728695 | v1:4     | ethernet2 | 1.1.2.3 | 741234     |         | 640   |
 | 728696 | null     | null      | null    | unlabelled |         | 0     |
 | 728697 | null     | null      | null    | unlabelled |         | 0     |
 | 728698 | null     | null      | null    | unlabelled |         | 0     |
 | 728699 | null     | null      | null    | unlabelled |         | 0     |
 | 728700 | null     | null      | null    | unlabelled |         | 0     |
 | 794059 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 877433 | v1:4     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 187963  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 233042  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 293977  | null     | null      | null    | unlabelled |         | 0     |
 | 293978  | v1:6     | ethernet1 | 1235::2 | 431744     |         | 640   |
 | 293979  | v1:6     | ethernet1 | 1235::2 | 431745     |         | 640   |
 | 293980  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 293981  | v1:6     | ethernet2 | 1236::4 | 445715     |         | 1280  |
 | 293982  | null     | null      | null    | unlabelled |         | 0     |
 | 293983  | null     | null      | null    | unlabelled |         | 0     |
 | 293984  | null     | null      | null    | unlabelled |         | 0     |
 | 293985  | null     | null      | null    | unlabelled |         | 0     |
 | 293986  | null     | null      | null    | unlabelled |         | 0     |
 | 320630  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 327681  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 626935  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 684461  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 693936  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 700663  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 741230  | null     | null      | null    | unlabelled |         | 0     |
 | 741231  | v1:4     | ethernet1 | 1.1.2.2 | 728692     |         | 640   |
 | 741232  | v1:4     | ethernet1 | 1.1.2.2 | 728693     |         | 640   |
 | 741233  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 741234  | v1:4     | ethernet2 | 1.1.3.4 | 34603      |         | 1280  |
 | 741235  | null     | null      | null    | unlabelled |         | 0     |
 | 741236  | null     | null      | null    | unlabelled |         | 0     |
 | 741237  | null     | null      | null    | unlabelled |         | 0     |
 | 741238  | null     | null      | null    | unlabelled |         | 0     |
 | 741239  | null     | null      | null    | unlabelled |         | 0     |
 | 817291  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 854349  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 944416  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 1014446 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 34599  | null     | null      | null    | unlabelled |         | 0     |
 | 34600  | v1:4     | ethernet1 | 1.1.3.3 | 741231     |         | 0     |
 | 34601  | v1:4     | ethernet1 | 1.1.3.3 | 741232     |         | 0     |
 | 34602  | v1:4     | ethernet1 | 1.1.3.3 | 741233     |         | 0     |
 | 34603  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 34604  | null     | null      | null    | unlabelled |         | 0     |
 | 34605  | null     | null      | null    | unlabelled |         | 0     |
 | 34606  | null     | null      | null    | unlabelled |         | 0     |
 | 34607  | null     | null      | null    | unlabelled |         | 0     |
 | 34608  | null     | null      | null    | unlabelled |         | 0     |
 | 96955  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 125283 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 140573 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 334550 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 349395 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 445711 | null     | null      | null    | unlabelled |         | 0     |
 | 445712 | v1:6     | ethernet1 | 1236::3 | 293978     |         | 0     |
 | 445713 | v1:6     | ethernet1 | 1236::3 | 293979     |         | 0     |
 | 445714 | v1:6     | ethernet1 | 1236::3 | 293980     |         | 0     |
 | 445715 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 445716 | null     | null      | null    | unlabelled |         | 0     |
 | 445717 | null     | null      | null    | unlabelled |         | 0     |
 | 445718 | null     | null      | null    | unlabelled |         | 0     |
 | 445719 | null     | null      | null    | unlabelled |         | 0     |
 | 445720 | null     | null      | null    | unlabelled |         | 0     |
 | 637562 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 712681 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 850633 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 903683 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 938999 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#