here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 252545 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 407704 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 448533 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 563579 | null     | null      | null    | unlabelled |         | 0     |
 | 563580 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 563581 | v1:4     | ethernet1 | 1.1.1.2 | 614288     |         | 0     |
 | 563582 | v1:4     | ethernet1 | 1.1.1.2 | 614289     |         | 0     |
 | 563583 | v1:4     | ethernet1 | 1.1.1.2 | 614290     |         | 0     |
 | 563584 | null     | null      | null    | unlabelled |         | 0     |
 | 563585 | null     | null      | null    | unlabelled |         | 0     |
 | 563586 | null     | null      | null    | unlabelled |         | 0     |
 | 563587 | null     | null      | null    | unlabelled |         | 0     |
 | 563588 | null     | null      | null    | unlabelled |         | 0     |
 | 626357 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 738537 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 866270 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 875628 | null     | null      | null    | unlabelled |         | 0     |
 | 875629 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 875630 | v1:6     | ethernet1 | 1234::2 | 17097      |         | 0     |
 | 875631 | v1:6     | ethernet1 | 1234::2 | 17098      |         | 0     |
 | 875632 | v1:6     | ethernet1 | 1234::2 | 17099      |         | 0     |
 | 875633 | null     | null      | null    | unlabelled |         | 0     |
 | 875634 | null     | null      | null    | unlabelled |         | 0     |
 | 875635 | null     | null      | null    | unlabelled |         | 0     |
 | 875636 | null     | null      | null    | unlabelled |         | 0     |
 | 875637 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 17095  | null     | null      | null    | unlabelled |         | 0     |
 | 17096  | v1:6     | ethernet1 | 1234::1 | 875629     |         | 1280  |
 | 17097  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 17098  | v1:6     | ethernet2 | 1235::3 | 382179     |         | 640   |
 | 17099  | v1:6     | ethernet2 | 1235::3 | 382180     |         | 640   |
 | 17100  | null     | null      | null    | unlabelled |         | 0     |
 | 17101  | null     | null      | null    | unlabelled |         | 0     |
 | 17102  | null     | null      | null    | unlabelled |         | 0     |
 | 17103  | null     | null      | null    | unlabelled |         | 0     |
 | 17104  | null     | null      | null    | unlabelled |         | 0     |
 | 305880 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 392009 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 578575 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 614286 | null     | null      | null    | unlabelled |         | 0     |
 | 614287 | v1:4     | ethernet1 | 1.1.1.1 | 563580     |         | 1280  |
 | 614288 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 614289 | v1:4     | ethernet2 | 1.1.2.3 | 1013038    |         | 640   |
 | 614290 | v1:4     | ethernet2 | 1.1.2.3 | 1013039    |         | 640   |
 | 614291 | null     | null      | null    | unlabelled |         | 0     |
 | 614292 | null     | null      | null    | unlabelled |         | 0     |
 | 614293 | null     | null      | null    | unlabelled |         | 0     |
 | 614294 | null     | null      | null    | unlabelled |         | 0     |
 | 614295 | null     | null      | null    | unlabelled |         | 0     |
 | 699418 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 728589 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 742439 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 895301 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 965753 | v1:4     | ethernet2 | 1.1.2.3 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 34860   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 85368   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 370850  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 382176  | null     | null      | null    | unlabelled |         | 0     |
 | 382177  | v1:6     | ethernet1 | 1235::2 | 17096      |         | 640   |
 | 382178  | v1:6     | ethernet1 | 1235::2 | 17097      |         | 640   |
 | 382179  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 382180  | v1:6     | ethernet2 | 1236::4 | 812946     |         | 1280  |
 | 382181  | null     | null      | null    | unlabelled |         | 0     |
 | 382182  | null     | null      | null    | unlabelled |         | 0     |
 | 382183  | null     | null      | null    | unlabelled |         | 0     |
 | 382184  | null     | null      | null    | unlabelled |         | 0     |
 | 382185  | null     | null      | null    | unlabelled |         | 0     |
 | 705134  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 722108  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 745209  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 820260  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 944710  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 1013035 | null     | null      | null    | unlabelled |         | 0     |
 | 1013036 | v1:4     | ethernet1 | 1.1.2.2 | 614287     |         | 640   |
 | 1013037 | v1:4     | ethernet1 | 1.1.2.2 | 614288     |         | 640   |
 | 1013038 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1013039 | v1:4     | ethernet2 | 1.1.3.4 | 129297     |         | 1280  |
 | 1013040 | null     | null      | null    | unlabelled |         | 0     |
 | 1013041 | null     | null      | null    | unlabelled |         | 0     |
 | 1013042 | null     | null      | null    | unlabelled |         | 0     |
 | 1013043 | null     | null      | null    | unlabelled |         | 0     |
 | 1013044 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 60503   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 129293  | null     | null      | null    | unlabelled |         | 0     |
 | 129294  | v1:4     | ethernet1 | 1.1.3.3 | 1013036    |         | 0     |
 | 129295  | v1:4     | ethernet1 | 1.1.3.3 | 1013037    |         | 0     |
 | 129296  | v1:4     | ethernet1 | 1.1.3.3 | 1013038    |         | 0     |
 | 129297  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 129298  | null     | null      | null    | unlabelled |         | 0     |
 | 129299  | null     | null      | null    | unlabelled |         | 0     |
 | 129300  | null     | null      | null    | unlabelled |         | 0     |
 | 129301  | null     | null      | null    | unlabelled |         | 0     |
 | 129302  | null     | null      | null    | unlabelled |         | 0     |
 | 395757  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 420977  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 453639  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 521096  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 812942  | null     | null      | null    | unlabelled |         | 0     |
 | 812943  | v1:6     | ethernet1 | 1236::3 | 382177     |         | 0     |
 | 812944  | v1:6     | ethernet1 | 1236::3 | 382178     |         | 0     |
 | 812945  | v1:6     | ethernet1 | 1236::3 | 382179     |         | 0     |
 | 812946  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 812947  | null     | null      | null    | unlabelled |         | 0     |
 | 812948  | null     | null      | null    | unlabelled |         | 0     |
 | 812949  | null     | null      | null    | unlabelled |         | 0     |
 | 812950  | null     | null      | null    | unlabelled |         | 0     |
 | 812951  | null     | null      | null    | unlabelled |         | 0     |
 | 1018259 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#