here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 3786   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 8478   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 31177  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 126422 | null     | null      | null    | unlabelled |         | 0     |
 | 126423 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 126424 | v1:4     | ethernet1 | 1.1.1.2 | 349171     |         | 0     |
 | 126425 | v1:4     | ethernet1 | 1.1.1.2 | 349172     |         | 0     |
 | 126426 | v1:4     | ethernet1 | 1.1.1.2 | 349173     |         | 0     |
 | 126427 | null     | null      | null    | unlabelled |         | 0     |
 | 126428 | null     | null      | null    | unlabelled |         | 0     |
 | 126429 | null     | null      | null    | unlabelled |         | 0     |
 | 126430 | null     | null      | null    | unlabelled |         | 0     |
 | 126431 | null     | null      | null    | unlabelled |         | 0     |
 | 157841 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 323987 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 406316 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 435795 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 457061 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 631686 | null     | null      | null    | unlabelled |         | 0     |
 | 631687 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 631688 | v1:6     | ethernet1 | 1234::2 | 842907     |         | 0     |
 | 631689 | v1:6     | ethernet1 | 1234::2 | 842908     |         | 0     |
 | 631690 | v1:6     | ethernet1 | 1234::2 | 842909     |         | 0     |
 | 631691 | null     | null      | null    | unlabelled |         | 0     |
 | 631692 | null     | null      | null    | unlabelled |         | 0     |
 | 631693 | null     | null      | null    | unlabelled |         | 0     |
 | 631694 | null     | null      | null    | unlabelled |         | 0     |
 | 631695 | null     | null      | null    | unlabelled |         | 0     |
 | 693580 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 751442 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 344437  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 349169  | null     | null      | null    | unlabelled |         | 0     |
 | 349170  | v1:4     | ethernet1 | 1.1.1.1 | 126423     |         | 1280  |
 | 349171  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 349172  | v1:4     | ethernet2 | 1.1.2.3 | 18472      |         | 640   |
 | 349173  | v1:4     | ethernet2 | 1.1.2.3 | 18473      |         | 640   |
 | 349174  | null     | null      | null    | unlabelled |         | 0     |
 | 349175  | null     | null      | null    | unlabelled |         | 0     |
 | 349176  | null     | null      | null    | unlabelled |         | 0     |
 | 349177  | null     | null      | null    | unlabelled |         | 0     |
 | 349178  | null     | null      | null    | unlabelled |         | 0     |
 | 423496  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 447702  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 459797  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 556825  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 736455  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 842905  | null     | null      | null    | unlabelled |         | 0     |
 | 842906  | v1:6     | ethernet1 | 1234::1 | 631687     |         | 1280  |
 | 842907  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 842908  | v1:6     | ethernet2 | 1235::3 | 582099     |         | 640   |
 | 842909  | v1:6     | ethernet2 | 1235::3 | 582100     |         | 640   |
 | 842910  | null     | null      | null    | unlabelled |         | 0     |
 | 842911  | null     | null      | null    | unlabelled |         | 0     |
 | 842912  | null     | null      | null    | unlabelled |         | 0     |
 | 842913  | null     | null      | null    | unlabelled |         | 0     |
 | 842914  | null     | null      | null    | unlabelled |         | 0     |
 | 848466  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 854863  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 885158  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 980018  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 984056  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1014891 | v1:6     | ethernet1 | 1234::1 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 18469  | null     | null      | null    | unlabelled |         | 0     |
 | 18470  | v1:4     | ethernet1 | 1.1.2.2 | 349170     |         | 640   |
 | 18471  | v1:4     | ethernet1 | 1.1.2.2 | 349171     |         | 640   |
 | 18472  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 18473  | v1:4     | ethernet2 | 1.1.3.4 | 583081     |         | 1280  |
 | 18474  | null     | null      | null    | unlabelled |         | 0     |
 | 18475  | null     | null      | null    | unlabelled |         | 0     |
 | 18476  | null     | null      | null    | unlabelled |         | 0     |
 | 18477  | null     | null      | null    | unlabelled |         | 0     |
 | 18478  | null     | null      | null    | unlabelled |         | 0     |
 | 36576  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 55515  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 287838 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 380699 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 514868 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 582096 | null     | null      | null    | unlabelled |         | 0     |
 | 582097 | v1:6     | ethernet1 | 1235::2 | 842906     |         | 640   |
 | 582098 | v1:6     | ethernet1 | 1235::2 | 842907     |         | 640   |
 | 582099 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 582100 | v1:6     | ethernet2 | 1236::4 | 1035807    |         | 1280  |
 | 582101 | null     | null      | null    | unlabelled |         | 0     |
 | 582102 | null     | null      | null    | unlabelled |         | 0     |
 | 582103 | null     | null      | null    | unlabelled |         | 0     |
 | 582104 | null     | null      | null    | unlabelled |         | 0     |
 | 582105 | null     | null      | null    | unlabelled |         | 0     |
 | 654736 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 685075 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 720449 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 889510 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 902461 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 922310 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 967536 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 228205  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 239314  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 264924  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 326927  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 330467  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 336102  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 361217  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 583077  | null     | null      | null    | unlabelled |         | 0     |
 | 583078  | v1:4     | ethernet1 | 1.1.3.3 | 18470      |         | 0     |
 | 583079  | v1:4     | ethernet1 | 1.1.3.3 | 18471      |         | 0     |
 | 583080  | v1:4     | ethernet1 | 1.1.3.3 | 18472      |         | 0     |
 | 583081  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 583082  | null     | null      | null    | unlabelled |         | 0     |
 | 583083  | null     | null      | null    | unlabelled |         | 0     |
 | 583084  | null     | null      | null    | unlabelled |         | 0     |
 | 583085  | null     | null      | null    | unlabelled |         | 0     |
 | 583086  | null     | null      | null    | unlabelled |         | 0     |
 | 619939  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 932348  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1035803 | null     | null      | null    | unlabelled |         | 0     |
 | 1035804 | v1:6     | ethernet1 | 1236::3 | 582097     |         | 0     |
 | 1035805 | v1:6     | ethernet1 | 1236::3 | 582098     |         | 0     |
 | 1035806 | v1:6     | ethernet1 | 1236::3 | 582099     |         | 0     |
 | 1035807 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1035808 | null     | null      | null    | unlabelled |         | 0     |
 | 1035809 | null     | null      | null    | unlabelled |         | 0     |
 | 1035810 | null     | null      | null    | unlabelled |         | 0     |
 | 1035811 | null     | null      | null    | unlabelled |         | 0     |
 | 1035812 | null     | null      | null    | unlabelled |         | 0     |
 | 1045581 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#