here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 4005   | null     | null      | null    | unlabelled |         | 0     |
 | 4006   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 4007   | v1:6     | ethernet1 | 1234::2 | 565494     |         | 0     |
 | 4008   | v1:6     | ethernet1 | 1234::2 | 565495     |         | 0     |
 | 4009   | v1:6     | ethernet1 | 1234::2 | 565496     |         | 0     |
 | 4010   | null     | null      | null    | unlabelled |         | 0     |
 | 4011   | null     | null      | null    | unlabelled |         | 0     |
 | 4012   | null     | null      | null    | unlabelled |         | 0     |
 | 4013   | null     | null      | null    | unlabelled |         | 0     |
 | 4014   | null     | null      | null    | unlabelled |         | 0     |
 | 29206  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 70535  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 92180  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 96958  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 246618 | null     | null      | null    | unlabelled |         | 0     |
 | 246619 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 246620 | v1:4     | ethernet1 | 1.1.1.2 | 511973     |         | 0     |
 | 246621 | v1:4     | ethernet1 | 1.1.1.2 | 511974     |         | 0     |
 | 246622 | v1:4     | ethernet1 | 1.1.1.2 | 511975     |         | 0     |
 | 246623 | null     | null      | null    | unlabelled |         | 0     |
 | 246624 | null     | null      | null    | unlabelled |         | 0     |
 | 246625 | null     | null      | null    | unlabelled |         | 0     |
 | 246626 | null     | null      | null    | unlabelled |         | 0     |
 | 246627 | null     | null      | null    | unlabelled |         | 0     |
 | 408294 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 810763 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 500410  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 511971  | null     | null      | null    | unlabelled |         | 0     |
 | 511972  | v1:4     | ethernet1 | 1.1.1.1 | 246619     |         | 1280  |
 | 511973  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 511974  | v1:4     | ethernet2 | 1.1.2.3 | 106088     |         | 640   |
 | 511975  | v1:4     | ethernet2 | 1.1.2.3 | 106089     |         | 640   |
 | 511976  | null     | null      | null    | unlabelled |         | 0     |
 | 511977  | null     | null      | null    | unlabelled |         | 0     |
 | 511978  | null     | null      | null    | unlabelled |         | 0     |
 | 511979  | null     | null      | null    | unlabelled |         | 0     |
 | 511980  | null     | null      | null    | unlabelled |         | 0     |
 | 525744  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 565492  | null     | null      | null    | unlabelled |         | 0     |
 | 565493  | v1:6     | ethernet1 | 1234::1 | 4006       |         | 1280  |
 | 565494  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 565495  | v1:6     | ethernet2 | 1235::3 | 633254     |         | 640   |
 | 565496  | v1:6     | ethernet2 | 1235::3 | 633255     |         | 640   |
 | 565497  | null     | null      | null    | unlabelled |         | 0     |
 | 565498  | null     | null      | null    | unlabelled |         | 0     |
 | 565499  | null     | null      | null    | unlabelled |         | 0     |
 | 565500  | null     | null      | null    | unlabelled |         | 0     |
 | 565501  | null     | null      | null    | unlabelled |         | 0     |
 | 579338  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 704472  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 803666  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 889162  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 940487  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1028690 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 90845  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 106085 | null     | null      | null    | unlabelled |         | 0     |
 | 106086 | v1:4     | ethernet1 | 1.1.2.2 | 511972     |         | 640   |
 | 106087 | v1:4     | ethernet1 | 1.1.2.2 | 511973     |         | 640   |
 | 106088 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 106089 | v1:4     | ethernet2 | 1.1.3.4 | 798889     |         | 1280  |
 | 106090 | null     | null      | null    | unlabelled |         | 0     |
 | 106091 | null     | null      | null    | unlabelled |         | 0     |
 | 106092 | null     | null      | null    | unlabelled |         | 0     |
 | 106093 | null     | null      | null    | unlabelled |         | 0     |
 | 106094 | null     | null      | null    | unlabelled |         | 0     |
 | 125545 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 166990 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 547953 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 607464 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 633251 | null     | null      | null    | unlabelled |         | 0     |
 | 633252 | v1:6     | ethernet1 | 1235::2 | 565493     |         | 640   |
 | 633253 | v1:6     | ethernet1 | 1235::2 | 565494     |         | 640   |
 | 633254 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 633255 | v1:6     | ethernet2 | 1236::4 | 465959     |         | 1280  |
 | 633256 | null     | null      | null    | unlabelled |         | 0     |
 | 633257 | null     | null      | null    | unlabelled |         | 0     |
 | 633258 | null     | null      | null    | unlabelled |         | 0     |
 | 633259 | null     | null      | null    | unlabelled |         | 0     |
 | 633260 | null     | null      | null    | unlabelled |         | 0     |
 | 675867 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 699692 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 742477 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 297354  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 459804  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 465955  | null     | null      | null    | unlabelled |         | 0     |
 | 465956  | v1:6     | ethernet1 | 1236::3 | 633252     |         | 0     |
 | 465957  | v1:6     | ethernet1 | 1236::3 | 633253     |         | 0     |
 | 465958  | v1:6     | ethernet1 | 1236::3 | 633254     |         | 0     |
 | 465959  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 465960  | null     | null      | null    | unlabelled |         | 0     |
 | 465961  | null     | null      | null    | unlabelled |         | 0     |
 | 465962  | null     | null      | null    | unlabelled |         | 0     |
 | 465963  | null     | null      | null    | unlabelled |         | 0     |
 | 465964  | null     | null      | null    | unlabelled |         | 0     |
 | 477887  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 617817  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 798885  | null     | null      | null    | unlabelled |         | 0     |
 | 798886  | v1:4     | ethernet1 | 1.1.3.3 | 106086     |         | 0     |
 | 798887  | v1:4     | ethernet1 | 1.1.3.3 | 106087     |         | 0     |
 | 798888  | v1:4     | ethernet1 | 1.1.3.3 | 106088     |         | 0     |
 | 798889  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 798890  | null     | null      | null    | unlabelled |         | 0     |
 | 798891  | null     | null      | null    | unlabelled |         | 0     |
 | 798892  | null     | null      | null    | unlabelled |         | 0     |
 | 798893  | null     | null      | null    | unlabelled |         | 0     |
 | 798894  | null     | null      | null    | unlabelled |         | 0     |
 | 930146  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1038719 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#