here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 91620  | null     | null      | null    | unlabelled |         | 0     |
 | 91621  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 91622  | v1:4     | ethernet1 | 1.1.1.2 | 977721     |         | 0     |
 | 91623  | v1:4     | ethernet1 | 1.1.1.2 | 977722     |         | 0     |
 | 91624  | v1:4     | ethernet1 | 1.1.1.2 | 977723     |         | 0     |
 | 91625  | null     | null      | null    | unlabelled |         | 0     |
 | 91626  | null     | null      | null    | unlabelled |         | 0     |
 | 91627  | null     | null      | null    | unlabelled |         | 0     |
 | 91628  | null     | null      | null    | unlabelled |         | 0     |
 | 91629  | null     | null      | null    | unlabelled |         | 0     |
 | 100307 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 257054 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 278998 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 565287 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 620343 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 846491 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 917470 | null     | null      | null    | unlabelled |         | 0     |
 | 917471 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 917472 | v1:6     | ethernet1 | 1234::2 | 184220     |         | 0     |
 | 917473 | v1:6     | ethernet1 | 1234::2 | 184221     |         | 0     |
 | 917474 | v1:6     | ethernet1 | 1234::2 | 184222     |         | 0     |
 | 917475 | null     | null      | null    | unlabelled |         | 0     |
 | 917476 | null     | null      | null    | unlabelled |         | 0     |
 | 917477 | null     | null      | null    | unlabelled |         | 0     |
 | 917478 | null     | null      | null    | unlabelled |         | 0     |
 | 917479 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 181308 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 184218 | null     | null      | null    | unlabelled |         | 0     |
 | 184219 | v1:6     | ethernet1 | 1234::1 | 917471     |         | 1280  |
 | 184220 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 184221 | v1:6     | ethernet2 | 1235::3 | 537741     |         | 640   |
 | 184222 | v1:6     | ethernet2 | 1235::3 | 537742     |         | 640   |
 | 184223 | null     | null      | null    | unlabelled |         | 0     |
 | 184224 | null     | null      | null    | unlabelled |         | 0     |
 | 184225 | null     | null      | null    | unlabelled |         | 0     |
 | 184226 | null     | null      | null    | unlabelled |         | 0     |
 | 184227 | null     | null      | null    | unlabelled |         | 0     |
 | 188443 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 283700 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 375202 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 405487 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 526771 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 528331 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 961845 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 977719 | null     | null      | null    | unlabelled |         | 0     |
 | 977720 | v1:4     | ethernet1 | 1.1.1.1 | 91621      |         | 1280  |
 | 977721 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 977722 | v1:4     | ethernet2 | 1.1.2.3 | 398843     |         | 640   |
 | 977723 | v1:4     | ethernet2 | 1.1.2.3 | 398844     |         | 640   |
 | 977724 | null     | null      | null    | unlabelled |         | 0     |
 | 977725 | null     | null      | null    | unlabelled |         | 0     |
 | 977726 | null     | null      | null    | unlabelled |         | 0     |
 | 977727 | null     | null      | null    | unlabelled |         | 0     |
 | 977728 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 93517   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 275572  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 381229  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 398840  | null     | null      | null    | unlabelled |         | 0     |
 | 398841  | v1:4     | ethernet1 | 1.1.2.2 | 977720     |         | 640   |
 | 398842  | v1:4     | ethernet1 | 1.1.2.2 | 977721     |         | 640   |
 | 398843  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 398844  | v1:4     | ethernet2 | 1.1.3.4 | 665053     |         | 1280  |
 | 398845  | null     | null      | null    | unlabelled |         | 0     |
 | 398846  | null     | null      | null    | unlabelled |         | 0     |
 | 398847  | null     | null      | null    | unlabelled |         | 0     |
 | 398848  | null     | null      | null    | unlabelled |         | 0     |
 | 398849  | null     | null      | null    | unlabelled |         | 0     |
 | 487131  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 537738  | null     | null      | null    | unlabelled |         | 0     |
 | 537739  | v1:6     | ethernet1 | 1235::2 | 184219     |         | 640   |
 | 537740  | v1:6     | ethernet1 | 1235::2 | 184220     |         | 640   |
 | 537741  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 537742  | v1:6     | ethernet2 | 1236::4 | 210282     |         | 1280  |
 | 537743  | null     | null      | null    | unlabelled |         | 0     |
 | 537744  | null     | null      | null    | unlabelled |         | 0     |
 | 537745  | null     | null      | null    | unlabelled |         | 0     |
 | 537746  | null     | null      | null    | unlabelled |         | 0     |
 | 537747  | null     | null      | null    | unlabelled |         | 0     |
 | 569283  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 763546  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 895771  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1012064 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 210278  | null     | null      | null    | unlabelled |         | 0     |
 | 210279  | v1:6     | ethernet1 | 1236::3 | 537739     |         | 0     |
 | 210280  | v1:6     | ethernet1 | 1236::3 | 537740     |         | 0     |
 | 210281  | v1:6     | ethernet1 | 1236::3 | 537741     |         | 0     |
 | 210282  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 210283  | null     | null      | null    | unlabelled |         | 0     |
 | 210284  | null     | null      | null    | unlabelled |         | 0     |
 | 210285  | null     | null      | null    | unlabelled |         | 0     |
 | 210286  | null     | null      | null    | unlabelled |         | 0     |
 | 210287  | null     | null      | null    | unlabelled |         | 0     |
 | 400531  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 665049  | null     | null      | null    | unlabelled |         | 0     |
 | 665050  | v1:4     | ethernet1 | 1.1.3.3 | 398841     |         | 0     |
 | 665051  | v1:4     | ethernet1 | 1.1.3.3 | 398842     |         | 0     |
 | 665052  | v1:4     | ethernet1 | 1.1.3.3 | 398843     |         | 0     |
 | 665053  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 665054  | null     | null      | null    | unlabelled |         | 0     |
 | 665055  | null     | null      | null    | unlabelled |         | 0     |
 | 665056  | null     | null      | null    | unlabelled |         | 0     |
 | 665057  | null     | null      | null    | unlabelled |         | 0     |
 | 665058  | null     | null      | null    | unlabelled |         | 0     |
 | 757220  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 785631  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 817017  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 901659  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1033741 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#