here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 184354 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 412410 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 456305 | null     | null      | null    | unlabelled |         | 0     |
 | 456306 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 456307 | v1:6     | ethernet1 | 1234::2 | 157686     |         | 0     |
 | 456308 | v1:6     | ethernet1 | 1234::2 | 157687     |         | 0     |
 | 456309 | v1:6     | ethernet1 | 1234::2 | 157688     |         | 0     |
 | 456310 | null     | null      | null    | unlabelled |         | 0     |
 | 456311 | null     | null      | null    | unlabelled |         | 0     |
 | 456312 | null     | null      | null    | unlabelled |         | 0     |
 | 456313 | null     | null      | null    | unlabelled |         | 0     |
 | 456314 | null     | null      | null    | unlabelled |         | 0     |
 | 491711 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 683264 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 892489 | null     | null      | null    | unlabelled |         | 0     |
 | 892490 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 892491 | v1:4     | ethernet1 | 1.1.1.2 | 52126      |         | 0     |
 | 892492 | v1:4     | ethernet1 | 1.1.1.2 | 52127      |         | 0     |
 | 892493 | v1:4     | ethernet1 | 1.1.1.2 | 52128      |         | 0     |
 | 892494 | null     | null      | null    | unlabelled |         | 0     |
 | 892495 | null     | null      | null    | unlabelled |         | 0     |
 | 892496 | null     | null      | null    | unlabelled |         | 0     |
 | 892497 | null     | null      | null    | unlabelled |         | 0     |
 | 892498 | null     | null      | null    | unlabelled |         | 0     |
 | 919106 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 948549 | tester:4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 52124   | null     | null      | null    | unlabelled |         | 0     |
 | 52125   | v1:4     | ethernet1 | 1.1.1.1 | 892490     |         | 1280  |
 | 52126   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 52127   | v1:4     | ethernet2 | 1.1.2.3 | 933692     |         | 640   |
 | 52128   | v1:4     | ethernet2 | 1.1.2.3 | 933693     |         | 640   |
 | 52129   | null     | null      | null    | unlabelled |         | 0     |
 | 52130   | null     | null      | null    | unlabelled |         | 0     |
 | 52131   | null     | null      | null    | unlabelled |         | 0     |
 | 52132   | null     | null      | null    | unlabelled |         | 0     |
 | 52133   | null     | null      | null    | unlabelled |         | 0     |
 | 157684  | null     | null      | null    | unlabelled |         | 0     |
 | 157685  | v1:6     | ethernet1 | 1234::1 | 456306     |         | 1280  |
 | 157686  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 157687  | v1:6     | ethernet2 | 1235::3 | 17086      |         | 640   |
 | 157688  | v1:6     | ethernet2 | 1235::3 | 17087      |         | 640   |
 | 157689  | null     | null      | null    | unlabelled |         | 0     |
 | 157690  | null     | null      | null    | unlabelled |         | 0     |
 | 157691  | null     | null      | null    | unlabelled |         | 0     |
 | 157692  | null     | null      | null    | unlabelled |         | 0     |
 | 157693  | null     | null      | null    | unlabelled |         | 0     |
 | 364536  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 449118  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 738962  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 805918  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 862344  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 913399  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 920631  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1016148 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 17083   | null     | null      | null    | unlabelled |         | 0     |
 | 17084   | v1:6     | ethernet1 | 1235::2 | 157685     |         | 640   |
 | 17085   | v1:6     | ethernet1 | 1235::2 | 157686     |         | 640   |
 | 17086   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 17087   | v1:6     | ethernet2 | 1236::4 | 46732      |         | 1280  |
 | 17088   | null     | null      | null    | unlabelled |         | 0     |
 | 17089   | null     | null      | null    | unlabelled |         | 0     |
 | 17090   | null     | null      | null    | unlabelled |         | 0     |
 | 17091   | null     | null      | null    | unlabelled |         | 0     |
 | 17092   | null     | null      | null    | unlabelled |         | 0     |
 | 98668   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 202834  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 526745  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 590702  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 724926  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 933689  | null     | null      | null    | unlabelled |         | 0     |
 | 933690  | v1:4     | ethernet1 | 1.1.2.2 | 52125      |         | 640   |
 | 933691  | v1:4     | ethernet1 | 1.1.2.2 | 52126      |         | 640   |
 | 933692  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 933693  | v1:4     | ethernet2 | 1.1.3.4 | 650317     |         | 1280  |
 | 933694  | null     | null      | null    | unlabelled |         | 0     |
 | 933695  | null     | null      | null    | unlabelled |         | 0     |
 | 933696  | null     | null      | null    | unlabelled |         | 0     |
 | 933697  | null     | null      | null    | unlabelled |         | 0     |
 | 933698  | null     | null      | null    | unlabelled |         | 0     |
 | 975922  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 1015174 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1032582 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 46728  | null     | null      | null    | unlabelled |         | 0     |
 | 46729  | v1:6     | ethernet1 | 1236::3 | 17084      |         | 0     |
 | 46730  | v1:6     | ethernet1 | 1236::3 | 17085      |         | 0     |
 | 46731  | v1:6     | ethernet1 | 1236::3 | 17086      |         | 0     |
 | 46732  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 46733  | null     | null      | null    | unlabelled |         | 0     |
 | 46734  | null     | null      | null    | unlabelled |         | 0     |
 | 46735  | null     | null      | null    | unlabelled |         | 0     |
 | 46736  | null     | null      | null    | unlabelled |         | 0     |
 | 46737  | null     | null      | null    | unlabelled |         | 0     |
 | 144702 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 299442 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 539305 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 650313 | null     | null      | null    | unlabelled |         | 0     |
 | 650314 | v1:4     | ethernet1 | 1.1.3.3 | 933690     |         | 0     |
 | 650315 | v1:4     | ethernet1 | 1.1.3.3 | 933691     |         | 0     |
 | 650316 | v1:4     | ethernet1 | 1.1.3.3 | 933692     |         | 0     |
 | 650317 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 650318 | null     | null      | null    | unlabelled |         | 0     |
 | 650319 | null     | null      | null    | unlabelled |         | 0     |
 | 650320 | null     | null      | null    | unlabelled |         | 0     |
 | 650321 | null     | null      | null    | unlabelled |         | 0     |
 | 650322 | null     | null      | null    | unlabelled |         | 0     |
 | 655057 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 814408 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 829525 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#