here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 2893   | null     | null      | null    | unlabelled |         | 0     |
 | 2894   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 2895   | v1:4     | ethernet1 | 1.1.1.2 | 777878     |         | 0     |
 | 2896   | v1:4     | ethernet1 | 1.1.1.2 | 777879     |         | 0     |
 | 2897   | v1:4     | ethernet1 | 1.1.1.2 | 777880     |         | 0     |
 | 2898   | null     | null      | null    | unlabelled |         | 0     |
 | 2899   | null     | null      | null    | unlabelled |         | 0     |
 | 2900   | null     | null      | null    | unlabelled |         | 0     |
 | 2901   | null     | null      | null    | unlabelled |         | 0     |
 | 2902   | null     | null      | null    | unlabelled |         | 0     |
 | 39863  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 48617  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 133349 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 244595 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 385860 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 389915 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 569832 | null     | null      | null    | unlabelled |         | 0     |
 | 569833 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 569834 | v1:6     | ethernet1 | 1234::2 | 651459     |         | 0     |
 | 569835 | v1:6     | ethernet1 | 1234::2 | 651460     |         | 0     |
 | 569836 | v1:6     | ethernet1 | 1234::2 | 651461     |         | 0     |
 | 569837 | null     | null      | null    | unlabelled |         | 0     |
 | 569838 | null     | null      | null    | unlabelled |         | 0     |
 | 569839 | null     | null      | null    | unlabelled |         | 0     |
 | 569840 | null     | null      | null    | unlabelled |         | 0     |
 | 569841 | null     | null      | null    | unlabelled |         | 0     |
 | 605482 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 682633 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 713693 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 998878 | tester:6 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 85200   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 111071  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 134656  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 165702  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 188611  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 327742  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 336534  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 550105  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 639530  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 651457  | null     | null      | null    | unlabelled |         | 0     |
 | 651458  | v1:6     | ethernet1 | 1234::1 | 569833     |         | 1280  |
 | 651459  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 651460  | v1:6     | ethernet2 | 1235::3 | 517458     |         | 640   |
 | 651461  | v1:6     | ethernet2 | 1235::3 | 517459     |         | 640   |
 | 651462  | null     | null      | null    | unlabelled |         | 0     |
 | 651463  | null     | null      | null    | unlabelled |         | 0     |
 | 651464  | null     | null      | null    | unlabelled |         | 0     |
 | 651465  | null     | null      | null    | unlabelled |         | 0     |
 | 651466  | null     | null      | null    | unlabelled |         | 0     |
 | 777876  | null     | null      | null    | unlabelled |         | 0     |
 | 777877  | v1:4     | ethernet1 | 1.1.1.1 | 2894       |         | 1280  |
 | 777878  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 777879  | v1:4     | ethernet2 | 1.1.2.3 | 395070     |         | 640   |
 | 777880  | v1:4     | ethernet2 | 1.1.2.3 | 395071     |         | 640   |
 | 777881  | null     | null      | null    | unlabelled |         | 0     |
 | 777882  | null     | null      | null    | unlabelled |         | 0     |
 | 777883  | null     | null      | null    | unlabelled |         | 0     |
 | 777884  | null     | null      | null    | unlabelled |         | 0     |
 | 777885  | null     | null      | null    | unlabelled |         | 0     |
 | 834979  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 919298  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1044045 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 2527    | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 76479   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 81546   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 242818  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 242956  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 395067  | null     | null      | null    | unlabelled |         | 0     |
 | 395068  | v1:4     | ethernet1 | 1.1.2.2 | 777877     |         | 640   |
 | 395069  | v1:4     | ethernet1 | 1.1.2.2 | 777878     |         | 640   |
 | 395070  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 395071  | v1:4     | ethernet2 | 1.1.3.4 | 240197     |         | 1280  |
 | 395072  | null     | null      | null    | unlabelled |         | 0     |
 | 395073  | null     | null      | null    | unlabelled |         | 0     |
 | 395074  | null     | null      | null    | unlabelled |         | 0     |
 | 395075  | null     | null      | null    | unlabelled |         | 0     |
 | 395076  | null     | null      | null    | unlabelled |         | 0     |
 | 486600  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 498231  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 511064  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 517455  | null     | null      | null    | unlabelled |         | 0     |
 | 517456  | v1:6     | ethernet1 | 1235::2 | 651458     |         | 640   |
 | 517457  | v1:6     | ethernet1 | 1235::2 | 651459     |         | 640   |
 | 517458  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 517459  | v1:6     | ethernet2 | 1236::4 | 428567     |         | 1280  |
 | 517460  | null     | null      | null    | unlabelled |         | 0     |
 | 517461  | null     | null      | null    | unlabelled |         | 0     |
 | 517462  | null     | null      | null    | unlabelled |         | 0     |
 | 517463  | null     | null      | null    | unlabelled |         | 0     |
 | 517464  | null     | null      | null    | unlabelled |         | 0     |
 | 580370  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 804292  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 840494  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1011220 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 18504  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 198237 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 240193 | null     | null      | null    | unlabelled |         | 0     |
 | 240194 | v1:4     | ethernet1 | 1.1.3.3 | 395068     |         | 0     |
 | 240195 | v1:4     | ethernet1 | 1.1.3.3 | 395069     |         | 0     |
 | 240196 | v1:4     | ethernet1 | 1.1.3.3 | 395070     |         | 0     |
 | 240197 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 240198 | null     | null      | null    | unlabelled |         | 0     |
 | 240199 | null     | null      | null    | unlabelled |         | 0     |
 | 240200 | null     | null      | null    | unlabelled |         | 0     |
 | 240201 | null     | null      | null    | unlabelled |         | 0     |
 | 240202 | null     | null      | null    | unlabelled |         | 0     |
 | 267379 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 354830 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 388707 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 418759 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 428563 | null     | null      | null    | unlabelled |         | 0     |
 | 428564 | v1:6     | ethernet1 | 1236::3 | 517456     |         | 0     |
 | 428565 | v1:6     | ethernet1 | 1236::3 | 517457     |         | 0     |
 | 428566 | v1:6     | ethernet1 | 1236::3 | 517458     |         | 0     |
 | 428567 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 428568 | null     | null      | null    | unlabelled |         | 0     |
 | 428569 | null     | null      | null    | unlabelled |         | 0     |
 | 428570 | null     | null      | null    | unlabelled |         | 0     |
 | 428571 | null     | null      | null    | unlabelled |         | 0     |
 | 428572 | null     | null      | null    | unlabelled |         | 0     |
 | 470339 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 658642 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 673372 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 798653 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#