here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 57002  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 152975 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 237098 | null     | null      | null    | unlabelled |         | 0     |
 | 237099 | v1:4     | null      | null    | unlabelled | local   | 2112  |
 | 237100 | v1:4     | ethernet1 | 1.1.1.2 | 949292     |         | 0     |
 | 237101 | v1:4     | ethernet1 | 1.1.1.2 | 949293     |         | 0     |
 | 237102 | v1:4     | ethernet1 | 1.1.1.2 | 949294     |         | 0     |
 | 237103 | null     | null      | null    | unlabelled |         | 0     |
 | 237104 | null     | null      | null    | unlabelled |         | 0     |
 | 237105 | null     | null      | null    | unlabelled |         | 0     |
 | 237106 | null     | null      | null    | unlabelled |         | 0     |
 | 237107 | null     | null      | null    | unlabelled |         | 0     |
 | 275218 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 618021 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 729108 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 892771 | null     | null      | null    | unlabelled |         | 0     |
 | 892772 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 892773 | v1:6     | ethernet1 | 1234::2 | 784094     |         | 0     |
 | 892774 | v1:6     | ethernet1 | 1234::2 | 784095     |         | 0     |
 | 892775 | v1:6     | ethernet1 | 1234::2 | 784096     |         | 0     |
 | 892776 | null     | null      | null    | unlabelled |         | 0     |
 | 892777 | null     | null      | null    | unlabelled |         | 0     |
 | 892778 | null     | null      | null    | unlabelled |         | 0     |
 | 892779 | null     | null      | null    | unlabelled |         | 0     |
 | 892780 | null     | null      | null    | unlabelled |         | 0     |
 | 950591 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 213965 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 236574 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 270773 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 480953 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 578675 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 640355 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 770822 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 784092 | null     | null      | null    | unlabelled |         | 0     |
 | 784093 | v1:6     | ethernet1 | 1234::1 | 892772     |         | 1280  |
 | 784094 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 784095 | v1:6     | ethernet2 | 1235::3 | 684579     |         | 640   |
 | 784096 | v1:6     | ethernet2 | 1235::3 | 684580     |         | 640   |
 | 784097 | null     | null      | null    | unlabelled |         | 0     |
 | 784098 | null     | null      | null    | unlabelled |         | 0     |
 | 784099 | null     | null      | null    | unlabelled |         | 0     |
 | 784100 | null     | null      | null    | unlabelled |         | 0     |
 | 784101 | null     | null      | null    | unlabelled |         | 0     |
 | 784972 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 949290 | null     | null      | null    | unlabelled |         | 0     |
 | 949291 | v1:4     | ethernet1 | 1.1.1.1 | 237099     |         | 1280  |
 | 949292 | v1:4     | null      | null    | unlabelled | local   | 2112  |
 | 949293 | v1:4     | ethernet2 | 1.1.2.3 | 697033     |         | 640   |
 | 949294 | v1:4     | ethernet2 | 1.1.2.3 | 697034     |         | 640   |
 | 949295 | null     | null      | null    | unlabelled |         | 0     |
 | 949296 | null     | null      | null    | unlabelled |         | 0     |
 | 949297 | null     | null      | null    | unlabelled |         | 0     |
 | 949298 | null     | null      | null    | unlabelled |         | 0     |
 | 949299 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 378651 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 393552 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 420325 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 603127 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 620394 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 668322 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 684576 | null     | null      | null    | unlabelled |         | 0     |
 | 684577 | v1:6     | ethernet1 | 1235::2 | 784093     |         | 640   |
 | 684578 | v1:6     | ethernet1 | 1235::2 | 784094     |         | 640   |
 | 684579 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 684580 | v1:6     | ethernet2 | 1236::4 | 159953     |         | 1280  |
 | 684581 | null     | null      | null    | unlabelled |         | 0     |
 | 684582 | null     | null      | null    | unlabelled |         | 0     |
 | 684583 | null     | null      | null    | unlabelled |         | 0     |
 | 684584 | null     | null      | null    | unlabelled |         | 0     |
 | 684585 | null     | null      | null    | unlabelled |         | 0     |
 | 697030 | null     | null      | null    | unlabelled |         | 0     |
 | 697031 | v1:4     | ethernet1 | 1.1.2.2 | 949291     |         | 640   |
 | 697032 | v1:4     | ethernet1 | 1.1.2.2 | 949292     |         | 640   |
 | 697033 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 697034 | v1:4     | ethernet2 | 1.1.3.4 | 702410     |         | 1280  |
 | 697035 | null     | null      | null    | unlabelled |         | 0     |
 | 697036 | null     | null      | null    | unlabelled |         | 0     |
 | 697037 | null     | null      | null    | unlabelled |         | 0     |
 | 697038 | null     | null      | null    | unlabelled |         | 0     |
 | 697039 | null     | null      | null    | unlabelled |         | 0     |
 | 991655 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 996282 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 159949 | null     | null      | null    | unlabelled |         | 0     |
 | 159950 | v1:6     | ethernet1 | 1236::3 | 684577     |         | 0     |
 | 159951 | v1:6     | ethernet1 | 1236::3 | 684578     |         | 0     |
 | 159952 | v1:6     | ethernet1 | 1236::3 | 684579     |         | 0     |
 | 159953 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 159954 | null     | null      | null    | unlabelled |         | 0     |
 | 159955 | null     | null      | null    | unlabelled |         | 0     |
 | 159956 | null     | null      | null    | unlabelled |         | 0     |
 | 159957 | null     | null      | null    | unlabelled |         | 0     |
 | 159958 | null     | null      | null    | unlabelled |         | 0     |
 | 242853 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 457755 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 561660 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 694603 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 702406 | null     | null      | null    | unlabelled |         | 0     |
 | 702407 | v1:4     | ethernet1 | 1.1.3.3 | 697031     |         | 0     |
 | 702408 | v1:4     | ethernet1 | 1.1.3.3 | 697032     |         | 0     |
 | 702409 | v1:4     | ethernet1 | 1.1.3.3 | 697033     |         | 0     |
 | 702410 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 702411 | null     | null      | null    | unlabelled |         | 0     |
 | 702412 | null     | null      | null    | unlabelled |         | 0     |
 | 702413 | null     | null      | null    | unlabelled |         | 0     |
 | 702414 | null     | null      | null    | unlabelled |         | 0     |
 | 702415 | null     | null      | null    | unlabelled |         | 0     |
 | 899628 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 940360 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#