here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 62656  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 116492 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 274149 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 425020 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 476753 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 495429 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 521149 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 740395 | null     | null      | null    | unlabelled |         | 0     |
 | 740396 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 740397 | v1:6     | ethernet1 | 1234::2 | 133545     |         | 0     |
 | 740398 | v1:6     | ethernet1 | 1234::2 | 133546     |         | 0     |
 | 740399 | v1:6     | ethernet1 | 1234::2 | 133547     |         | 0     |
 | 740400 | null     | null      | null    | unlabelled |         | 0     |
 | 740401 | null     | null      | null    | unlabelled |         | 0     |
 | 740402 | null     | null      | null    | unlabelled |         | 0     |
 | 740403 | null     | null      | null    | unlabelled |         | 0     |
 | 740404 | null     | null      | null    | unlabelled |         | 0     |
 | 740896 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 802935 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 848944 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 921100 | null     | null      | null    | unlabelled |         | 0     |
 | 921101 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 921102 | v1:4     | ethernet1 | 1.1.1.2 | 332005     |         | 0     |
 | 921103 | v1:4     | ethernet1 | 1.1.1.2 | 332006     |         | 0     |
 | 921104 | v1:4     | ethernet1 | 1.1.1.2 | 332007     |         | 0     |
 | 921105 | null     | null      | null    | unlabelled |         | 0     |
 | 921106 | null     | null      | null    | unlabelled |         | 0     |
 | 921107 | null     | null      | null    | unlabelled |         | 0     |
 | 921108 | null     | null      | null    | unlabelled |         | 0     |
 | 921109 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 10527  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 133543 | null     | null      | null    | unlabelled |         | 0     |
 | 133544 | v1:6     | ethernet1 | 1234::1 | 740396     |         | 1280  |
 | 133545 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 133546 | v1:6     | ethernet2 | 1235::3 | 258236     |         | 640   |
 | 133547 | v1:6     | ethernet2 | 1235::3 | 258237     |         | 640   |
 | 133548 | null     | null      | null    | unlabelled |         | 0     |
 | 133549 | null     | null      | null    | unlabelled |         | 0     |
 | 133550 | null     | null      | null    | unlabelled |         | 0     |
 | 133551 | null     | null      | null    | unlabelled |         | 0     |
 | 133552 | null     | null      | null    | unlabelled |         | 0     |
 | 205262 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 252818 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 332003 | null     | null      | null    | unlabelled |         | 0     |
 | 332004 | v1:4     | ethernet1 | 1.1.1.1 | 921101     |         | 1280  |
 | 332005 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 332006 | v1:4     | ethernet2 | 1.1.2.3 | 58942      |         | 640   |
 | 332007 | v1:4     | ethernet2 | 1.1.2.3 | 58943      |         | 640   |
 | 332008 | null     | null      | null    | unlabelled |         | 0     |
 | 332009 | null     | null      | null    | unlabelled |         | 0     |
 | 332010 | null     | null      | null    | unlabelled |         | 0     |
 | 332011 | null     | null      | null    | unlabelled |         | 0     |
 | 332012 | null     | null      | null    | unlabelled |         | 0     |
 | 375916 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 430945 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 487035 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 498404 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 504944 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 746355 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 984560 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 986528 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 987672 | v1:4     | ethernet1 | 1.1.1.1 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 58939   | null     | null      | null    | unlabelled |         | 0     |
 | 58940   | v1:4     | ethernet1 | 1.1.2.2 | 332004     |         | 640   |
 | 58941   | v1:4     | ethernet1 | 1.1.2.2 | 332005     |         | 640   |
 | 58942   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 58943   | v1:4     | ethernet2 | 1.1.3.4 | 1024981    |         | 1280  |
 | 58944   | null     | null      | null    | unlabelled |         | 0     |
 | 58945   | null     | null      | null    | unlabelled |         | 0     |
 | 58946   | null     | null      | null    | unlabelled |         | 0     |
 | 58947   | null     | null      | null    | unlabelled |         | 0     |
 | 58948   | null     | null      | null    | unlabelled |         | 0     |
 | 124253  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 206851  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 253149  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 258233  | null     | null      | null    | unlabelled |         | 0     |
 | 258234  | v1:6     | ethernet1 | 1235::2 | 133544     |         | 640   |
 | 258235  | v1:6     | ethernet1 | 1235::2 | 133545     |         | 640   |
 | 258236  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 258237  | v1:6     | ethernet2 | 1236::4 | 52053      |         | 1280  |
 | 258238  | null     | null      | null    | unlabelled |         | 0     |
 | 258239  | null     | null      | null    | unlabelled |         | 0     |
 | 258240  | null     | null      | null    | unlabelled |         | 0     |
 | 258241  | null     | null      | null    | unlabelled |         | 0     |
 | 258242  | null     | null      | null    | unlabelled |         | 0     |
 | 424972  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 438018  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 457816  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 510147  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 723345  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 856287  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 894725  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 965340  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 1033136 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 52049   | null     | null      | null    | unlabelled |         | 0     |
 | 52050   | v1:6     | ethernet1 | 1236::3 | 258234     |         | 0     |
 | 52051   | v1:6     | ethernet1 | 1236::3 | 258235     |         | 0     |
 | 52052   | v1:6     | ethernet1 | 1236::3 | 258236     |         | 0     |
 | 52053   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 52054   | null     | null      | null    | unlabelled |         | 0     |
 | 52055   | null     | null      | null    | unlabelled |         | 0     |
 | 52056   | null     | null      | null    | unlabelled |         | 0     |
 | 52057   | null     | null      | null    | unlabelled |         | 0     |
 | 52058   | null     | null      | null    | unlabelled |         | 0     |
 | 207449  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 329736  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 549210  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 551049  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 555973  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 612643  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 685061  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 732366  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 838506  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 987227  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1024977 | null     | null      | null    | unlabelled |         | 0     |
 | 1024978 | v1:4     | ethernet1 | 1.1.3.3 | 58940      |         | 0     |
 | 1024979 | v1:4     | ethernet1 | 1.1.3.3 | 58941      |         | 0     |
 | 1024980 | v1:4     | ethernet1 | 1.1.3.3 | 58942      |         | 0     |
 | 1024981 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1024982 | null     | null      | null    | unlabelled |         | 0     |
 | 1024983 | null     | null      | null    | unlabelled |         | 0     |
 | 1024984 | null     | null      | null    | unlabelled |         | 0     |
 | 1024985 | null     | null      | null    | unlabelled |         | 0     |
 | 1024986 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#