here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
2026-04-30 16:29:29.885
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 161750  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 192450  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 245687  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 261493  | null     | null      | null    | unlabelled |         | 0     |
 | 261494  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 261495  | v1:6     | ethernet1 | 1234::2 | 977        |         | 0     |
 | 261496  | v1:6     | ethernet1 | 1234::2 | 978        |         | 0     |
 | 261497  | v1:6     | ethernet1 | 1234::2 | 979        |         | 0     |
 | 261498  | null     | null      | null    | unlabelled |         | 0     |
 | 261499  | null     | null      | null    | unlabelled |         | 0     |
 | 261500  | null     | null      | null    | unlabelled |         | 0     |
 | 261501  | null     | null      | null    | unlabelled |         | 0     |
 | 261502  | null     | null      | null    | unlabelled |         | 0     |
 | 580884  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 589966  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 667597  | null     | null      | null    | unlabelled |         | 0     |
 | 667598  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 667599  | v1:4     | ethernet1 | 1.1.1.2 | 576035     |         | 0     |
 | 667600  | v1:4     | ethernet1 | 1.1.1.2 | 576036     |         | 0     |
 | 667601  | v1:4     | ethernet1 | 1.1.1.2 | 576037     |         | 0     |
 | 667602  | null     | null      | null    | unlabelled |         | 0     |
 | 667603  | null     | null      | null    | unlabelled |         | 0     |
 | 667604  | null     | null      | null    | unlabelled |         | 0     |
 | 667605  | null     | null      | null    | unlabelled |         | 0     |
 | 667606  | null     | null      | null    | unlabelled |         | 0     |
 | 710875  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 816780  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 969976  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1014541 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1032668 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
2026-04-30 16:29:29.910
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 975     | null     | null      | null    | unlabelled |         | 0     |
 | 976     | v1:6     | ethernet1 | 1234::1 | 261494     |         | 1280  |
 | 977     | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 978     | v1:6     | ethernet2 | 1235::3 | 131191     |         | 640   |
 | 979     | v1:6     | ethernet2 | 1235::3 | 131192     |         | 640   |
 | 980     | null     | null      | null    | unlabelled |         | 0     |
 | 981     | null     | null      | null    | unlabelled |         | 0     |
 | 982     | null     | null      | null    | unlabelled |         | 0     |
 | 983     | null     | null      | null    | unlabelled |         | 0     |
 | 984     | null     | null      | null    | unlabelled |         | 0     |
 | 45936   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 270107  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 576033  | null     | null      | null    | unlabelled |         | 0     |
 | 576034  | v1:4     | ethernet1 | 1.1.1.1 | 667598     |         | 1280  |
 | 576035  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 576036  | v1:4     | ethernet2 | 1.1.2.3 | 120670     |         | 640   |
 | 576037  | v1:4     | ethernet2 | 1.1.2.3 | 120671     |         | 640   |
 | 576038  | null     | null      | null    | unlabelled |         | 0     |
 | 576039  | null     | null      | null    | unlabelled |         | 0     |
 | 576040  | null     | null      | null    | unlabelled |         | 0     |
 | 576041  | null     | null      | null    | unlabelled |         | 0     |
 | 576042  | null     | null      | null    | unlabelled |         | 0     |
 | 598635  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 666160  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 669587  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 696771  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 733855  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 789545  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 841804  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 921068  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 996786  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1015166 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
2026-04-30 16:29:29.939
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 2597    | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 33471   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 37825   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 120667  | null     | null      | null    | unlabelled |         | 0     |
 | 120668  | v1:4     | ethernet1 | 1.1.2.2 | 576034     |         | 640   |
 | 120669  | v1:4     | ethernet1 | 1.1.2.2 | 576035     |         | 640   |
 | 120670  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 120671  | v1:4     | ethernet2 | 1.1.3.4 | 206173     |         | 1280  |
 | 120672  | null     | null      | null    | unlabelled |         | 0     |
 | 120673  | null     | null      | null    | unlabelled |         | 0     |
 | 120674  | null     | null      | null    | unlabelled |         | 0     |
 | 120675  | null     | null      | null    | unlabelled |         | 0     |
 | 120676  | null     | null      | null    | unlabelled |         | 0     |
 | 131188  | null     | null      | null    | unlabelled |         | 0     |
 | 131189  | v1:6     | ethernet1 | 1235::2 | 976        |         | 640   |
 | 131190  | v1:6     | ethernet1 | 1235::2 | 977        |         | 640   |
 | 131191  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 131192  | v1:6     | ethernet2 | 1236::4 | 188585     |         | 1280  |
 | 131193  | null     | null      | null    | unlabelled |         | 0     |
 | 131194  | null     | null      | null    | unlabelled |         | 0     |
 | 131195  | null     | null      | null    | unlabelled |         | 0     |
 | 131196  | null     | null      | null    | unlabelled |         | 0     |
 | 131197  | null     | null      | null    | unlabelled |         | 0     |
 | 168702  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 199754  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 260439  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 301133  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 444734  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 702060  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 745751  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 996758  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1014486 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
2026-04-30 16:29:29.955
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 63275  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 161775 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 188581 | null     | null      | null    | unlabelled |         | 0     |
 | 188582 | v1:6     | ethernet1 | 1236::3 | 131189     |         | 0     |
 | 188583 | v1:6     | ethernet1 | 1236::3 | 131190     |         | 0     |
 | 188584 | v1:6     | ethernet1 | 1236::3 | 131191     |         | 0     |
 | 188585 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 188586 | null     | null      | null    | unlabelled |         | 0     |
 | 188587 | null     | null      | null    | unlabelled |         | 0     |
 | 188588 | null     | null      | null    | unlabelled |         | 0     |
 | 188589 | null     | null      | null    | unlabelled |         | 0     |
 | 188590 | null     | null      | null    | unlabelled |         | 0     |
 | 206169 | null     | null      | null    | unlabelled |         | 0     |
 | 206170 | v1:4     | ethernet1 | 1.1.3.3 | 120668     |         | 0     |
 | 206171 | v1:4     | ethernet1 | 1.1.3.3 | 120669     |         | 0     |
 | 206172 | v1:4     | ethernet1 | 1.1.3.3 | 120670     |         | 0     |
 | 206173 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 206174 | null     | null      | null    | unlabelled |         | 0     |
 | 206175 | null     | null      | null    | unlabelled |         | 0     |
 | 206176 | null     | null      | null    | unlabelled |         | 0     |
 | 206177 | null     | null      | null    | unlabelled |         | 0     |
 | 206178 | null     | null      | null    | unlabelled |         | 0     |
 | 349213 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 376093 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 447115 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 550045 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 794415 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 834822 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 854272 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 928049 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#