here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 215366  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 654678  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 719733  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 905535  | null     | null      | null    | unlabelled |         | 0     |
 | 905536  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 905537  | v1:4     | ethernet1 | 1.1.1.2 | 558693     |         | 0     |
 | 905538  | v1:4     | ethernet1 | 1.1.1.2 | 558694     |         | 0     |
 | 905539  | v1:4     | ethernet1 | 1.1.1.2 | 558695     |         | 0     |
 | 905540  | null     | null      | null    | unlabelled |         | 0     |
 | 905541  | null     | null      | null    | unlabelled |         | 0     |
 | 905542  | null     | null      | null    | unlabelled |         | 0     |
 | 905543  | null     | null      | null    | unlabelled |         | 0     |
 | 905544  | null     | null      | null    | unlabelled |         | 0     |
 | 930808  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 944535  | null     | null      | null    | unlabelled |         | 0     |
 | 944536  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 944537  | v1:6     | ethernet1 | 1234::2 | 853445     |         | 0     |
 | 944538  | v1:6     | ethernet1 | 1234::2 | 853446     |         | 0     |
 | 944539  | v1:6     | ethernet1 | 1234::2 | 853447     |         | 0     |
 | 944540  | null     | null      | null    | unlabelled |         | 0     |
 | 944541  | null     | null      | null    | unlabelled |         | 0     |
 | 944542  | null     | null      | null    | unlabelled |         | 0     |
 | 944543  | null     | null      | null    | unlabelled |         | 0     |
 | 944544  | null     | null      | null    | unlabelled |         | 0     |
 | 964297  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1012035 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 230402 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 269663 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 357505 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 409812 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 524034 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 533911 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 558691 | null     | null      | null    | unlabelled |         | 0     |
 | 558692 | v1:4     | ethernet1 | 1.1.1.1 | 905536     |         | 1280  |
 | 558693 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 558694 | v1:4     | ethernet2 | 1.1.2.3 | 445930     |         | 640   |
 | 558695 | v1:4     | ethernet2 | 1.1.2.3 | 445931     |         | 640   |
 | 558696 | null     | null      | null    | unlabelled |         | 0     |
 | 558697 | null     | null      | null    | unlabelled |         | 0     |
 | 558698 | null     | null      | null    | unlabelled |         | 0     |
 | 558699 | null     | null      | null    | unlabelled |         | 0     |
 | 558700 | null     | null      | null    | unlabelled |         | 0     |
 | 639362 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 853443 | null     | null      | null    | unlabelled |         | 0     |
 | 853444 | v1:6     | ethernet1 | 1234::1 | 944536     |         | 1280  |
 | 853445 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 853446 | v1:6     | ethernet2 | 1235::3 | 665565     |         | 640   |
 | 853447 | v1:6     | ethernet2 | 1235::3 | 665566     |         | 640   |
 | 853448 | null     | null      | null    | unlabelled |         | 0     |
 | 853449 | null     | null      | null    | unlabelled |         | 0     |
 | 853450 | null     | null      | null    | unlabelled |         | 0     |
 | 853451 | null     | null      | null    | unlabelled |         | 0     |
 | 853452 | null     | null      | null    | unlabelled |         | 0     |
 | 983526 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 145141 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 260764 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 289576 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 445927 | null     | null      | null    | unlabelled |         | 0     |
 | 445928 | v1:4     | ethernet1 | 1.1.2.2 | 558692     |         | 640   |
 | 445929 | v1:4     | ethernet1 | 1.1.2.2 | 558693     |         | 640   |
 | 445930 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 445931 | v1:4     | ethernet2 | 1.1.3.4 | 512107     |         | 1280  |
 | 445932 | null     | null      | null    | unlabelled |         | 0     |
 | 445933 | null     | null      | null    | unlabelled |         | 0     |
 | 445934 | null     | null      | null    | unlabelled |         | 0     |
 | 445935 | null     | null      | null    | unlabelled |         | 0     |
 | 445936 | null     | null      | null    | unlabelled |         | 0     |
 | 665562 | null     | null      | null    | unlabelled |         | 0     |
 | 665563 | v1:6     | ethernet1 | 1235::2 | 853444     |         | 640   |
 | 665564 | v1:6     | ethernet1 | 1235::2 | 853445     |         | 640   |
 | 665565 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 665566 | v1:6     | ethernet2 | 1236::4 | 505398     |         | 1280  |
 | 665567 | null     | null      | null    | unlabelled |         | 0     |
 | 665568 | null     | null      | null    | unlabelled |         | 0     |
 | 665569 | null     | null      | null    | unlabelled |         | 0     |
 | 665570 | null     | null      | null    | unlabelled |         | 0     |
 | 665571 | null     | null      | null    | unlabelled |         | 0     |
 | 739057 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 770178 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 786143 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 835214 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 939366 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 98120  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 312819 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 453229 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 505394 | null     | null      | null    | unlabelled |         | 0     |
 | 505395 | v1:6     | ethernet1 | 1236::3 | 665563     |         | 0     |
 | 505396 | v1:6     | ethernet1 | 1236::3 | 665564     |         | 0     |
 | 505397 | v1:6     | ethernet1 | 1236::3 | 665565     |         | 0     |
 | 505398 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 505399 | null     | null      | null    | unlabelled |         | 0     |
 | 505400 | null     | null      | null    | unlabelled |         | 0     |
 | 505401 | null     | null      | null    | unlabelled |         | 0     |
 | 505402 | null     | null      | null    | unlabelled |         | 0     |
 | 505403 | null     | null      | null    | unlabelled |         | 0     |
 | 512103 | null     | null      | null    | unlabelled |         | 0     |
 | 512104 | v1:4     | ethernet1 | 1.1.3.3 | 445928     |         | 0     |
 | 512105 | v1:4     | ethernet1 | 1.1.3.3 | 445929     |         | 0     |
 | 512106 | v1:4     | ethernet1 | 1.1.3.3 | 445930     |         | 0     |
 | 512107 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 512108 | null     | null      | null    | unlabelled |         | 0     |
 | 512109 | null     | null      | null    | unlabelled |         | 0     |
 | 512110 | null     | null      | null    | unlabelled |         | 0     |
 | 512111 | null     | null      | null    | unlabelled |         | 0     |
 | 512112 | null     | null      | null    | unlabelled |         | 0     |
 | 619699 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 648499 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 939224 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#