here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43214  | null     | null      | null    | unlabelled |         | 0     |
 | 43215  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 43216  | v1:4     | ethernet1 | 1.1.1.2 | 968562     |         | 0     |
 | 43217  | v1:4     | ethernet1 | 1.1.1.2 | 968563     |         | 0     |
 | 43218  | v1:4     | ethernet1 | 1.1.1.2 | 968564     |         | 0     |
 | 43219  | null     | null      | null    | unlabelled |         | 0     |
 | 43220  | null     | null      | null    | unlabelled |         | 0     |
 | 43221  | null     | null      | null    | unlabelled |         | 0     |
 | 43222  | null     | null      | null    | unlabelled |         | 0     |
 | 43223  | null     | null      | null    | unlabelled |         | 0     |
 | 262136 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 305481 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 407167 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 443416 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 447519 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 550761 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 615703 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 617632 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 634011 | null     | null      | null    | unlabelled |         | 0     |
 | 634012 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 634013 | v1:6     | ethernet1 | 1234::2 | 495527     |         | 0     |
 | 634014 | v1:6     | ethernet1 | 1234::2 | 495528     |         | 0     |
 | 634015 | v1:6     | ethernet1 | 1234::2 | 495529     |         | 0     |
 | 634016 | null     | null      | null    | unlabelled |         | 0     |
 | 634017 | null     | null      | null    | unlabelled |         | 0     |
 | 634018 | null     | null      | null    | unlabelled |         | 0     |
 | 634019 | null     | null      | null    | unlabelled |         | 0     |
 | 634020 | null     | null      | null    | unlabelled |         | 0     |
 | 787012 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 925747 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 370681  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 495525  | null     | null      | null    | unlabelled |         | 0     |
 | 495526  | v1:6     | ethernet1 | 1234::1 | 634012     |         | 1280  |
 | 495527  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 495528  | v1:6     | ethernet2 | 1235::3 | 489706     |         | 640   |
 | 495529  | v1:6     | ethernet2 | 1235::3 | 489707     |         | 640   |
 | 495530  | null     | null      | null    | unlabelled |         | 0     |
 | 495531  | null     | null      | null    | unlabelled |         | 0     |
 | 495532  | null     | null      | null    | unlabelled |         | 0     |
 | 495533  | null     | null      | null    | unlabelled |         | 0     |
 | 495534  | null     | null      | null    | unlabelled |         | 0     |
 | 543201  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 550759  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 567144  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 630045  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 689458  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 760034  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 804520  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 908372  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 953459  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 968560  | null     | null      | null    | unlabelled |         | 0     |
 | 968561  | v1:4     | ethernet1 | 1.1.1.1 | 43215      |         | 1280  |
 | 968562  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 968563  | v1:4     | ethernet2 | 1.1.2.3 | 893409     |         | 640   |
 | 968564  | v1:4     | ethernet2 | 1.1.2.3 | 893410     |         | 640   |
 | 968565  | null     | null      | null    | unlabelled |         | 0     |
 | 968566  | null     | null      | null    | unlabelled |         | 0     |
 | 968567  | null     | null      | null    | unlabelled |         | 0     |
 | 968568  | null     | null      | null    | unlabelled |         | 0     |
 | 968569  | null     | null      | null    | unlabelled |         | 0     |
 | 1022691 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 1046247 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 24252  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 161694 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 195505 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 282079 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 431815 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 475827 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 489703 | null     | null      | null    | unlabelled |         | 0     |
 | 489704 | v1:6     | ethernet1 | 1235::2 | 495526     |         | 640   |
 | 489705 | v1:6     | ethernet1 | 1235::2 | 495527     |         | 640   |
 | 489706 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 489707 | v1:6     | ethernet2 | 1236::4 | 890147     |         | 1280  |
 | 489708 | null     | null      | null    | unlabelled |         | 0     |
 | 489709 | null     | null      | null    | unlabelled |         | 0     |
 | 489710 | null     | null      | null    | unlabelled |         | 0     |
 | 489711 | null     | null      | null    | unlabelled |         | 0     |
 | 489712 | null     | null      | null    | unlabelled |         | 0     |
 | 493380 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 563243 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 706239 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 718682 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 747571 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 893406 | null     | null      | null    | unlabelled |         | 0     |
 | 893407 | v1:4     | ethernet1 | 1.1.2.2 | 968561     |         | 640   |
 | 893408 | v1:4     | ethernet1 | 1.1.2.2 | 968562     |         | 640   |
 | 893409 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 893410 | v1:4     | ethernet2 | 1.1.3.4 | 1009377    |         | 1280  |
 | 893411 | null     | null      | null    | unlabelled |         | 0     |
 | 893412 | null     | null      | null    | unlabelled |         | 0     |
 | 893413 | null     | null      | null    | unlabelled |         | 0     |
 | 893414 | null     | null      | null    | unlabelled |         | 0     |
 | 893415 | null     | null      | null    | unlabelled |         | 0     |
 | 923817 | v1:4     | ethernet1 | 1.1.2.2 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 51914   | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 116062  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 210203  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 237137  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 467390  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 560085  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 638939  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 713444  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 835022  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 839113  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 890143  | null     | null      | null    | unlabelled |         | 0     |
 | 890144  | v1:6     | ethernet1 | 1236::3 | 489704     |         | 0     |
 | 890145  | v1:6     | ethernet1 | 1236::3 | 489705     |         | 0     |
 | 890146  | v1:6     | ethernet1 | 1236::3 | 489706     |         | 0     |
 | 890147  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 890148  | null     | null      | null    | unlabelled |         | 0     |
 | 890149  | null     | null      | null    | unlabelled |         | 0     |
 | 890150  | null     | null      | null    | unlabelled |         | 0     |
 | 890151  | null     | null      | null    | unlabelled |         | 0     |
 | 890152  | null     | null      | null    | unlabelled |         | 0     |
 | 1009373 | null     | null      | null    | unlabelled |         | 0     |
 | 1009374 | v1:4     | ethernet1 | 1.1.3.3 | 893407     |         | 0     |
 | 1009375 | v1:4     | ethernet1 | 1.1.3.3 | 893408     |         | 0     |
 | 1009376 | v1:4     | ethernet1 | 1.1.3.3 | 893409     |         | 0     |
 | 1009377 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1009378 | null     | null      | null    | unlabelled |         | 0     |
 | 1009379 | null     | null      | null    | unlabelled |         | 0     |
 | 1009380 | null     | null      | null    | unlabelled |         | 0     |
 | 1009381 | null     | null      | null    | unlabelled |         | 0     |
 | 1009382 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#