here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 256596 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 268594 | null     | null      | null    | unlabelled |         | 0     |
 | 268595 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 268596 | v1:4     | ethernet1 | 1.1.1.2 | 375956     |         | 0     |
 | 268597 | v1:4     | ethernet1 | 1.1.1.2 | 375957     |         | 0     |
 | 268598 | v1:4     | ethernet1 | 1.1.1.2 | 375958     |         | 0     |
 | 268599 | null     | null      | null    | unlabelled |         | 0     |
 | 268600 | null     | null      | null    | unlabelled |         | 0     |
 | 268601 | null     | null      | null    | unlabelled |         | 0     |
 | 268602 | null     | null      | null    | unlabelled |         | 0     |
 | 268603 | null     | null      | null    | unlabelled |         | 0     |
 | 438959 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 492577 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 689411 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 694939 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 711831 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 761820 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 781167 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 827985 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 849491 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 933303 | null     | null      | null    | unlabelled |         | 0     |
 | 933304 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 933305 | v1:6     | ethernet1 | 1234::2 | 319391     |         | 0     |
 | 933306 | v1:6     | ethernet1 | 1234::2 | 319392     |         | 0     |
 | 933307 | v1:6     | ethernet1 | 1234::2 | 319393     |         | 0     |
 | 933308 | null     | null      | null    | unlabelled |         | 0     |
 | 933309 | null     | null      | null    | unlabelled |         | 0     |
 | 933310 | null     | null      | null    | unlabelled |         | 0     |
 | 933311 | null     | null      | null    | unlabelled |         | 0     |
 | 933312 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 74575  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 87059  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 112134 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 207668 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 241124 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 319389 | null     | null      | null    | unlabelled |         | 0     |
 | 319390 | v1:6     | ethernet1 | 1234::1 | 933304     |         | 1280  |
 | 319391 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 319392 | v1:6     | ethernet2 | 1235::3 | 571282     |         | 640   |
 | 319393 | v1:6     | ethernet2 | 1235::3 | 571283     |         | 640   |
 | 319394 | null     | null      | null    | unlabelled |         | 0     |
 | 319395 | null     | null      | null    | unlabelled |         | 0     |
 | 319396 | null     | null      | null    | unlabelled |         | 0     |
 | 319397 | null     | null      | null    | unlabelled |         | 0     |
 | 319398 | null     | null      | null    | unlabelled |         | 0     |
 | 359116 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 375954 | null     | null      | null    | unlabelled |         | 0     |
 | 375955 | v1:4     | ethernet1 | 1.1.1.1 | 268595     |         | 1280  |
 | 375956 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 375957 | v1:4     | ethernet2 | 1.1.2.3 | 288727     |         | 640   |
 | 375958 | v1:4     | ethernet2 | 1.1.2.3 | 288728     |         | 640   |
 | 375959 | null     | null      | null    | unlabelled |         | 0     |
 | 375960 | null     | null      | null    | unlabelled |         | 0     |
 | 375961 | null     | null      | null    | unlabelled |         | 0     |
 | 375962 | null     | null      | null    | unlabelled |         | 0     |
 | 375963 | null     | null      | null    | unlabelled |         | 0     |
 | 394374 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 499854 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 504773 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 595422 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 821618 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 901614 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 4337   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 142031 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 191728 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 265541 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 274881 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 288724 | null     | null      | null    | unlabelled |         | 0     |
 | 288725 | v1:4     | ethernet1 | 1.1.2.2 | 375955     |         | 640   |
 | 288726 | v1:4     | ethernet1 | 1.1.2.2 | 375956     |         | 640   |
 | 288727 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 288728 | v1:4     | ethernet2 | 1.1.3.4 | 237959     |         | 1280  |
 | 288729 | null     | null      | null    | unlabelled |         | 0     |
 | 288730 | null     | null      | null    | unlabelled |         | 0     |
 | 288731 | null     | null      | null    | unlabelled |         | 0     |
 | 288732 | null     | null      | null    | unlabelled |         | 0     |
 | 288733 | null     | null      | null    | unlabelled |         | 0     |
 | 295091 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 329662 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 335746 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 434457 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 571279 | null     | null      | null    | unlabelled |         | 0     |
 | 571280 | v1:6     | ethernet1 | 1235::2 | 319390     |         | 640   |
 | 571281 | v1:6     | ethernet1 | 1235::2 | 319391     |         | 640   |
 | 571282 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 571283 | v1:6     | ethernet2 | 1236::4 | 367337     |         | 1280  |
 | 571284 | null     | null      | null    | unlabelled |         | 0     |
 | 571285 | null     | null      | null    | unlabelled |         | 0     |
 | 571286 | null     | null      | null    | unlabelled |         | 0     |
 | 571287 | null     | null      | null    | unlabelled |         | 0     |
 | 571288 | null     | null      | null    | unlabelled |         | 0     |
 | 748825 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 864823 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 929357 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 18624  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 237955 | null     | null      | null    | unlabelled |         | 0     |
 | 237956 | v1:4     | ethernet1 | 1.1.3.3 | 288725     |         | 0     |
 | 237957 | v1:4     | ethernet1 | 1.1.3.3 | 288726     |         | 0     |
 | 237958 | v1:4     | ethernet1 | 1.1.3.3 | 288727     |         | 0     |
 | 237959 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 237960 | null     | null      | null    | unlabelled |         | 0     |
 | 237961 | null     | null      | null    | unlabelled |         | 0     |
 | 237962 | null     | null      | null    | unlabelled |         | 0     |
 | 237963 | null     | null      | null    | unlabelled |         | 0     |
 | 237964 | null     | null      | null    | unlabelled |         | 0     |
 | 258834 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 344210 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 367333 | null     | null      | null    | unlabelled |         | 0     |
 | 367334 | v1:6     | ethernet1 | 1236::3 | 571280     |         | 0     |
 | 367335 | v1:6     | ethernet1 | 1236::3 | 571281     |         | 0     |
 | 367336 | v1:6     | ethernet1 | 1236::3 | 571282     |         | 0     |
 | 367337 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 367338 | null     | null      | null    | unlabelled |         | 0     |
 | 367339 | null     | null      | null    | unlabelled |         | 0     |
 | 367340 | null     | null      | null    | unlabelled |         | 0     |
 | 367341 | null     | null      | null    | unlabelled |         | 0     |
 | 367342 | null     | null      | null    | unlabelled |         | 0     |
 | 450440 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 498738 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 616994 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 673756 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 812106 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 907114 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 985822 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#