here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 31272  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 81262  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 125330 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 194520 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 219864 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 394636 | null     | null      | null    | unlabelled |         | 0     |
 | 394637 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 394638 | v1:6     | ethernet1 | 1234::2 | 225116     |         | 0     |
 | 394639 | v1:6     | ethernet1 | 1234::2 | 225117     |         | 0     |
 | 394640 | v1:6     | ethernet1 | 1234::2 | 225118     |         | 0     |
 | 394641 | null     | null      | null    | unlabelled |         | 0     |
 | 394642 | null     | null      | null    | unlabelled |         | 0     |
 | 394643 | null     | null      | null    | unlabelled |         | 0     |
 | 394644 | null     | null      | null    | unlabelled |         | 0     |
 | 394645 | null     | null      | null    | unlabelled |         | 0     |
 | 398498 | null     | null      | null    | unlabelled |         | 0     |
 | 398499 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 398500 | v1:4     | ethernet1 | 1.1.1.2 | 249062     |         | 0     |
 | 398501 | v1:4     | ethernet1 | 1.1.1.2 | 249063     |         | 0     |
 | 398502 | v1:4     | ethernet1 | 1.1.1.2 | 249064     |         | 0     |
 | 398503 | null     | null      | null    | unlabelled |         | 0     |
 | 398504 | null     | null      | null    | unlabelled |         | 0     |
 | 398505 | null     | null      | null    | unlabelled |         | 0     |
 | 398506 | null     | null      | null    | unlabelled |         | 0     |
 | 398507 | null     | null      | null    | unlabelled |         | 0     |
 | 474357 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 221963 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 225114 | null     | null      | null    | unlabelled |         | 0     |
 | 225115 | v1:6     | ethernet1 | 1234::1 | 394637     |         | 1280  |
 | 225116 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 225117 | v1:6     | ethernet2 | 1235::3 | 471320     |         | 640   |
 | 225118 | v1:6     | ethernet2 | 1235::3 | 471321     |         | 640   |
 | 225119 | null     | null      | null    | unlabelled |         | 0     |
 | 225120 | null     | null      | null    | unlabelled |         | 0     |
 | 225121 | null     | null      | null    | unlabelled |         | 0     |
 | 225122 | null     | null      | null    | unlabelled |         | 0     |
 | 225123 | null     | null      | null    | unlabelled |         | 0     |
 | 249060 | null     | null      | null    | unlabelled |         | 0     |
 | 249061 | v1:4     | ethernet1 | 1.1.1.1 | 398499     |         | 1280  |
 | 249062 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 249063 | v1:4     | ethernet2 | 1.1.2.3 | 138135     |         | 640   |
 | 249064 | v1:4     | ethernet2 | 1.1.2.3 | 138136     |         | 640   |
 | 249065 | null     | null      | null    | unlabelled |         | 0     |
 | 249066 | null     | null      | null    | unlabelled |         | 0     |
 | 249067 | null     | null      | null    | unlabelled |         | 0     |
 | 249068 | null     | null      | null    | unlabelled |         | 0     |
 | 249069 | null     | null      | null    | unlabelled |         | 0     |
 | 255332 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 440034 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 623475 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 736380 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 760239 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 817901 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 977190 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 5020   | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 112812 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 138132 | null     | null      | null    | unlabelled |         | 0     |
 | 138133 | v1:4     | ethernet1 | 1.1.2.2 | 249061     |         | 640   |
 | 138134 | v1:4     | ethernet1 | 1.1.2.2 | 249062     |         | 640   |
 | 138135 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 138136 | v1:4     | ethernet2 | 1.1.3.4 | 632775     |         | 1280  |
 | 138137 | null     | null      | null    | unlabelled |         | 0     |
 | 138138 | null     | null      | null    | unlabelled |         | 0     |
 | 138139 | null     | null      | null    | unlabelled |         | 0     |
 | 138140 | null     | null      | null    | unlabelled |         | 0     |
 | 138141 | null     | null      | null    | unlabelled |         | 0     |
 | 159032 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 264132 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 367344 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 471317 | null     | null      | null    | unlabelled |         | 0     |
 | 471318 | v1:6     | ethernet1 | 1235::2 | 225115     |         | 640   |
 | 471319 | v1:6     | ethernet1 | 1235::2 | 225116     |         | 640   |
 | 471320 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 471321 | v1:6     | ethernet2 | 1236::4 | 231204     |         | 1280  |
 | 471322 | null     | null      | null    | unlabelled |         | 0     |
 | 471323 | null     | null      | null    | unlabelled |         | 0     |
 | 471324 | null     | null      | null    | unlabelled |         | 0     |
 | 471325 | null     | null      | null    | unlabelled |         | 0     |
 | 471326 | null     | null      | null    | unlabelled |         | 0     |
 | 551961 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 890967 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 958963 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 41821  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 231200 | null     | null      | null    | unlabelled |         | 0     |
 | 231201 | v1:6     | ethernet1 | 1236::3 | 471318     |         | 0     |
 | 231202 | v1:6     | ethernet1 | 1236::3 | 471319     |         | 0     |
 | 231203 | v1:6     | ethernet1 | 1236::3 | 471320     |         | 0     |
 | 231204 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 231205 | null     | null      | null    | unlabelled |         | 0     |
 | 231206 | null     | null      | null    | unlabelled |         | 0     |
 | 231207 | null     | null      | null    | unlabelled |         | 0     |
 | 231208 | null     | null      | null    | unlabelled |         | 0     |
 | 231209 | null     | null      | null    | unlabelled |         | 0     |
 | 328396 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 377037 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 577651 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 632771 | null     | null      | null    | unlabelled |         | 0     |
 | 632772 | v1:4     | ethernet1 | 1.1.3.3 | 138133     |         | 0     |
 | 632773 | v1:4     | ethernet1 | 1.1.3.3 | 138134     |         | 0     |
 | 632774 | v1:4     | ethernet1 | 1.1.3.3 | 138135     |         | 0     |
 | 632775 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 632776 | null     | null      | null    | unlabelled |         | 0     |
 | 632777 | null     | null      | null    | unlabelled |         | 0     |
 | 632778 | null     | null      | null    | unlabelled |         | 0     |
 | 632779 | null     | null      | null    | unlabelled |         | 0     |
 | 632780 | null     | null      | null    | unlabelled |         | 0     |
 | 767998 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 969541 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#