here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 221852  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 448925  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 547672  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 592310  | null     | null      | null    | unlabelled |         | 0     |
 | 592311  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 592312  | v1:4     | ethernet1 | 1.1.1.2 | 252401     |         | 0     |
 | 592313  | v1:4     | ethernet1 | 1.1.1.2 | 252402     |         | 0     |
 | 592314  | v1:4     | ethernet1 | 1.1.1.2 | 252403     |         | 0     |
 | 592315  | null     | null      | null    | unlabelled |         | 0     |
 | 592316  | null     | null      | null    | unlabelled |         | 0     |
 | 592317  | null     | null      | null    | unlabelled |         | 0     |
 | 592318  | null     | null      | null    | unlabelled |         | 0     |
 | 592319  | null     | null      | null    | unlabelled |         | 0     |
 | 595169  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 757074  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 780661  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 865601  | null     | null      | null    | unlabelled |         | 0     |
 | 865602  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 865603  | v1:6     | ethernet1 | 1234::2 | 258422     |         | 0     |
 | 865604  | v1:6     | ethernet1 | 1234::2 | 258423     |         | 0     |
 | 865605  | v1:6     | ethernet1 | 1234::2 | 258424     |         | 0     |
 | 865606  | null     | null      | null    | unlabelled |         | 0     |
 | 865607  | null     | null      | null    | unlabelled |         | 0     |
 | 865608  | null     | null      | null    | unlabelled |         | 0     |
 | 865609  | null     | null      | null    | unlabelled |         | 0     |
 | 865610  | null     | null      | null    | unlabelled |         | 0     |
 | 930551  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 960899  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1001965 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 1022936 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 39725  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 180033 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 252399 | null     | null      | null    | unlabelled |         | 0     |
 | 252400 | v1:4     | ethernet1 | 1.1.1.1 | 592311     |         | 1280  |
 | 252401 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 252402 | v1:4     | ethernet2 | 1.1.2.3 | 594827     |         | 640   |
 | 252403 | v1:4     | ethernet2 | 1.1.2.3 | 594828     |         | 640   |
 | 252404 | null     | null      | null    | unlabelled |         | 0     |
 | 252405 | null     | null      | null    | unlabelled |         | 0     |
 | 252406 | null     | null      | null    | unlabelled |         | 0     |
 | 252407 | null     | null      | null    | unlabelled |         | 0     |
 | 252408 | null     | null      | null    | unlabelled |         | 0     |
 | 258420 | null     | null      | null    | unlabelled |         | 0     |
 | 258421 | v1:6     | ethernet1 | 1234::1 | 865602     |         | 1280  |
 | 258422 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 258423 | v1:6     | ethernet2 | 1235::3 | 260807     |         | 640   |
 | 258424 | v1:6     | ethernet2 | 1235::3 | 260808     |         | 640   |
 | 258425 | null     | null      | null    | unlabelled |         | 0     |
 | 258426 | null     | null      | null    | unlabelled |         | 0     |
 | 258427 | null     | null      | null    | unlabelled |         | 0     |
 | 258428 | null     | null      | null    | unlabelled |         | 0     |
 | 258429 | null     | null      | null    | unlabelled |         | 0     |
 | 269556 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 327000 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 455832 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 461324 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 491924 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 517845 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 771207 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 779968 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 915574 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 985737 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 86400  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 185803 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 260804 | null     | null      | null    | unlabelled |         | 0     |
 | 260805 | v1:6     | ethernet1 | 1235::2 | 258421     |         | 640   |
 | 260806 | v1:6     | ethernet1 | 1235::2 | 258422     |         | 640   |
 | 260807 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 260808 | v1:6     | ethernet2 | 1236::4 | 103363     |         | 1280  |
 | 260809 | null     | null      | null    | unlabelled |         | 0     |
 | 260810 | null     | null      | null    | unlabelled |         | 0     |
 | 260811 | null     | null      | null    | unlabelled |         | 0     |
 | 260812 | null     | null      | null    | unlabelled |         | 0     |
 | 260813 | null     | null      | null    | unlabelled |         | 0     |
 | 363493 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 433056 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 448990 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 554019 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 594824 | null     | null      | null    | unlabelled |         | 0     |
 | 594825 | v1:4     | ethernet1 | 1.1.2.2 | 252400     |         | 640   |
 | 594826 | v1:4     | ethernet1 | 1.1.2.2 | 252401     |         | 640   |
 | 594827 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 594828 | v1:4     | ethernet2 | 1.1.3.4 | 150567     |         | 1280  |
 | 594829 | null     | null      | null    | unlabelled |         | 0     |
 | 594830 | null     | null      | null    | unlabelled |         | 0     |
 | 594831 | null     | null      | null    | unlabelled |         | 0     |
 | 594832 | null     | null      | null    | unlabelled |         | 0     |
 | 594833 | null     | null      | null    | unlabelled |         | 0     |
 | 660173 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 679645 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 857251 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 893170 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 914346 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 976558 | v1:6     | ethernet1 | 1235::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 65480  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 103359 | null     | null      | null    | unlabelled |         | 0     |
 | 103360 | v1:6     | ethernet1 | 1236::3 | 260805     |         | 0     |
 | 103361 | v1:6     | ethernet1 | 1236::3 | 260806     |         | 0     |
 | 103362 | v1:6     | ethernet1 | 1236::3 | 260807     |         | 0     |
 | 103363 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 103364 | null     | null      | null    | unlabelled |         | 0     |
 | 103365 | null     | null      | null    | unlabelled |         | 0     |
 | 103366 | null     | null      | null    | unlabelled |         | 0     |
 | 103367 | null     | null      | null    | unlabelled |         | 0     |
 | 103368 | null     | null      | null    | unlabelled |         | 0     |
 | 134818 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 150563 | null     | null      | null    | unlabelled |         | 0     |
 | 150564 | v1:4     | ethernet1 | 1.1.3.3 | 594825     |         | 0     |
 | 150565 | v1:4     | ethernet1 | 1.1.3.3 | 594826     |         | 0     |
 | 150566 | v1:4     | ethernet1 | 1.1.3.3 | 594827     |         | 0     |
 | 150567 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 150568 | null     | null      | null    | unlabelled |         | 0     |
 | 150569 | null     | null      | null    | unlabelled |         | 0     |
 | 150570 | null     | null      | null    | unlabelled |         | 0     |
 | 150571 | null     | null      | null    | unlabelled |         | 0     |
 | 150572 | null     | null      | null    | unlabelled |         | 0     |
 | 152231 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 160798 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 243648 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 299973 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 374332 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 574173 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 624890 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 921486 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#