here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 29889  | null     | null      | null    | unlabelled |         | 0     |
 | 29890  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 29891  | v1:6     | ethernet1 | 1234::2 | 829751     |         | 0     |
 | 29892  | v1:6     | ethernet1 | 1234::2 | 829752     |         | 0     |
 | 29893  | v1:6     | ethernet1 | 1234::2 | 829753     |         | 0     |
 | 29894  | null     | null      | null    | unlabelled |         | 0     |
 | 29895  | null     | null      | null    | unlabelled |         | 0     |
 | 29896  | null     | null      | null    | unlabelled |         | 0     |
 | 29897  | null     | null      | null    | unlabelled |         | 0     |
 | 29898  | null     | null      | null    | unlabelled |         | 0     |
 | 294011 | null     | null      | null    | unlabelled |         | 0     |
 | 294012 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 294013 | v1:4     | ethernet1 | 1.1.1.2 | 169997     |         | 0     |
 | 294014 | v1:4     | ethernet1 | 1.1.1.2 | 169998     |         | 0     |
 | 294015 | v1:4     | ethernet1 | 1.1.1.2 | 169999     |         | 0     |
 | 294016 | null     | null      | null    | unlabelled |         | 0     |
 | 294017 | null     | null      | null    | unlabelled |         | 0     |
 | 294018 | null     | null      | null    | unlabelled |         | 0     |
 | 294019 | null     | null      | null    | unlabelled |         | 0     |
 | 294020 | null     | null      | null    | unlabelled |         | 0     |
 | 425342 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 521063 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 632490 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 754322 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 781920 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 974455 | v1:4     | ethernet1 | 1.1.1.2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 169995 | null     | null      | null    | unlabelled |         | 0     |
 | 169996 | v1:4     | ethernet1 | 1.1.1.1 | 294012     |         | 1280  |
 | 169997 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 169998 | v1:4     | ethernet2 | 1.1.2.3 | 104743     |         | 640   |
 | 169999 | v1:4     | ethernet2 | 1.1.2.3 | 104744     |         | 640   |
 | 170000 | null     | null      | null    | unlabelled |         | 0     |
 | 170001 | null     | null      | null    | unlabelled |         | 0     |
 | 170002 | null     | null      | null    | unlabelled |         | 0     |
 | 170003 | null     | null      | null    | unlabelled |         | 0     |
 | 170004 | null     | null      | null    | unlabelled |         | 0     |
 | 220003 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 302459 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 323441 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 343478 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 367397 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 428501 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 491634 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 733712 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 829749 | null     | null      | null    | unlabelled |         | 0     |
 | 829750 | v1:6     | ethernet1 | 1234::1 | 29890      |         | 1280  |
 | 829751 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 829752 | v1:6     | ethernet2 | 1235::3 | 44307      |         | 640   |
 | 829753 | v1:6     | ethernet2 | 1235::3 | 44308      |         | 640   |
 | 829754 | null     | null      | null    | unlabelled |         | 0     |
 | 829755 | null     | null      | null    | unlabelled |         | 0     |
 | 829756 | null     | null      | null    | unlabelled |         | 0     |
 | 829757 | null     | null      | null    | unlabelled |         | 0     |
 | 829758 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 33471   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 44304   | null     | null      | null    | unlabelled |         | 0     |
 | 44305   | v1:6     | ethernet1 | 1235::2 | 829750     |         | 640   |
 | 44306   | v1:6     | ethernet1 | 1235::2 | 829751     |         | 640   |
 | 44307   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 44308   | v1:6     | ethernet2 | 1236::4 | 318570     |         | 1280  |
 | 44309   | null     | null      | null    | unlabelled |         | 0     |
 | 44310   | null     | null      | null    | unlabelled |         | 0     |
 | 44311   | null     | null      | null    | unlabelled |         | 0     |
 | 44312   | null     | null      | null    | unlabelled |         | 0     |
 | 44313   | null     | null      | null    | unlabelled |         | 0     |
 | 104740  | null     | null      | null    | unlabelled |         | 0     |
 | 104741  | v1:4     | ethernet1 | 1.1.2.2 | 169996     |         | 640   |
 | 104742  | v1:4     | ethernet1 | 1.1.2.2 | 169997     |         | 640   |
 | 104743  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 104744  | v1:4     | ethernet2 | 1.1.3.4 | 804752     |         | 1280  |
 | 104745  | null     | null      | null    | unlabelled |         | 0     |
 | 104746  | null     | null      | null    | unlabelled |         | 0     |
 | 104747  | null     | null      | null    | unlabelled |         | 0     |
 | 104748  | null     | null      | null    | unlabelled |         | 0     |
 | 104749  | null     | null      | null    | unlabelled |         | 0     |
 | 256725  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 377357  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 526977  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 565481  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 840908  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 976899  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1039225 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 95957  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 163372 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 315688 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 318566 | null     | null      | null    | unlabelled |         | 0     |
 | 318567 | v1:6     | ethernet1 | 1236::3 | 44305      |         | 0     |
 | 318568 | v1:6     | ethernet1 | 1236::3 | 44306      |         | 0     |
 | 318569 | v1:6     | ethernet1 | 1236::3 | 44307      |         | 0     |
 | 318570 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 318571 | null     | null      | null    | unlabelled |         | 0     |
 | 318572 | null     | null      | null    | unlabelled |         | 0     |
 | 318573 | null     | null      | null    | unlabelled |         | 0     |
 | 318574 | null     | null      | null    | unlabelled |         | 0     |
 | 318575 | null     | null      | null    | unlabelled |         | 0     |
 | 414510 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 804748 | null     | null      | null    | unlabelled |         | 0     |
 | 804749 | v1:4     | ethernet1 | 1.1.3.3 | 104741     |         | 0     |
 | 804750 | v1:4     | ethernet1 | 1.1.3.3 | 104742     |         | 0     |
 | 804751 | v1:4     | ethernet1 | 1.1.3.3 | 104743     |         | 0     |
 | 804752 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 804753 | null     | null      | null    | unlabelled |         | 0     |
 | 804754 | null     | null      | null    | unlabelled |         | 0     |
 | 804755 | null     | null      | null    | unlabelled |         | 0     |
 | 804756 | null     | null      | null    | unlabelled |         | 0     |
 | 804757 | null     | null      | null    | unlabelled |         | 0     |
 | 827522 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 882768 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#