here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 457563  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 497011  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 559156  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 603670  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 666346  | null     | null      | null    | unlabelled |         | 0     |
 | 666347  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 666348  | v1:4     | ethernet1 | 1.1.1.2 | 193106     |         | 0     |
 | 666349  | v1:4     | ethernet1 | 1.1.1.2 | 193107     |         | 0     |
 | 666350  | v1:4     | ethernet1 | 1.1.1.2 | 193108     |         | 0     |
 | 666351  | null     | null      | null    | unlabelled |         | 0     |
 | 666352  | null     | null      | null    | unlabelled |         | 0     |
 | 666353  | null     | null      | null    | unlabelled |         | 0     |
 | 666354  | null     | null      | null    | unlabelled |         | 0     |
 | 666355  | null     | null      | null    | unlabelled |         | 0     |
 | 750281  | null     | null      | null    | unlabelled |         | 0     |
 | 750282  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 750283  | v1:6     | ethernet1 | 1234::2 | 704991     |         | 0     |
 | 750284  | v1:6     | ethernet1 | 1234::2 | 704992     |         | 0     |
 | 750285  | v1:6     | ethernet1 | 1234::2 | 704993     |         | 0     |
 | 750286  | null     | null      | null    | unlabelled |         | 0     |
 | 750287  | null     | null      | null    | unlabelled |         | 0     |
 | 750288  | null     | null      | null    | unlabelled |         | 0     |
 | 750289  | null     | null      | null    | unlabelled |         | 0     |
 | 750290  | null     | null      | null    | unlabelled |         | 0     |
 | 873512  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1047240 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 193104 | null     | null      | null    | unlabelled |         | 0     |
 | 193105 | v1:4     | ethernet1 | 1.1.1.1 | 666347     |         | 1280  |
 | 193106 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 193107 | v1:4     | ethernet2 | 1.1.2.3 | 725919     |         | 640   |
 | 193108 | v1:4     | ethernet2 | 1.1.2.3 | 725920     |         | 640   |
 | 193109 | null     | null      | null    | unlabelled |         | 0     |
 | 193110 | null     | null      | null    | unlabelled |         | 0     |
 | 193111 | null     | null      | null    | unlabelled |         | 0     |
 | 193112 | null     | null      | null    | unlabelled |         | 0     |
 | 193113 | null     | null      | null    | unlabelled |         | 0     |
 | 325949 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 327132 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 547401 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 652774 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 704989 | null     | null      | null    | unlabelled |         | 0     |
 | 704990 | v1:6     | ethernet1 | 1234::1 | 750282     |         | 1280  |
 | 704991 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 704992 | v1:6     | ethernet2 | 1235::3 | 925597     |         | 640   |
 | 704993 | v1:6     | ethernet2 | 1235::3 | 925598     |         | 640   |
 | 704994 | null     | null      | null    | unlabelled |         | 0     |
 | 704995 | null     | null      | null    | unlabelled |         | 0     |
 | 704996 | null     | null      | null    | unlabelled |         | 0     |
 | 704997 | null     | null      | null    | unlabelled |         | 0     |
 | 704998 | null     | null      | null    | unlabelled |         | 0     |
 | 736314 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 914071 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 931068 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 994488 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 260837 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 343089 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 413974 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 557742 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 578837 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 613672 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 725916 | null     | null      | null    | unlabelled |         | 0     |
 | 725917 | v1:4     | ethernet1 | 1.1.2.2 | 193105     |         | 640   |
 | 725918 | v1:4     | ethernet1 | 1.1.2.2 | 193106     |         | 640   |
 | 725919 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 725920 | v1:4     | ethernet2 | 1.1.3.4 | 553022     |         | 1280  |
 | 725921 | null     | null      | null    | unlabelled |         | 0     |
 | 725922 | null     | null      | null    | unlabelled |         | 0     |
 | 725923 | null     | null      | null    | unlabelled |         | 0     |
 | 725924 | null     | null      | null    | unlabelled |         | 0     |
 | 725925 | null     | null      | null    | unlabelled |         | 0     |
 | 865829 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 925594 | null     | null      | null    | unlabelled |         | 0     |
 | 925595 | v1:6     | ethernet1 | 1235::2 | 704990     |         | 640   |
 | 925596 | v1:6     | ethernet1 | 1235::2 | 704991     |         | 640   |
 | 925597 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 925598 | v1:6     | ethernet2 | 1236::4 | 641293     |         | 1280  |
 | 925599 | null     | null      | null    | unlabelled |         | 0     |
 | 925600 | null     | null      | null    | unlabelled |         | 0     |
 | 925601 | null     | null      | null    | unlabelled |         | 0     |
 | 925602 | null     | null      | null    | unlabelled |         | 0     |
 | 925603 | null     | null      | null    | unlabelled |         | 0     |
 | 960146 | tester:4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 104400  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 138877  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 387199  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 553018  | null     | null      | null    | unlabelled |         | 0     |
 | 553019  | v1:4     | ethernet1 | 1.1.3.3 | 725917     |         | 0     |
 | 553020  | v1:4     | ethernet1 | 1.1.3.3 | 725918     |         | 0     |
 | 553021  | v1:4     | ethernet1 | 1.1.3.3 | 725919     |         | 0     |
 | 553022  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 553023  | null     | null      | null    | unlabelled |         | 0     |
 | 553024  | null     | null      | null    | unlabelled |         | 0     |
 | 553025  | null     | null      | null    | unlabelled |         | 0     |
 | 553026  | null     | null      | null    | unlabelled |         | 0     |
 | 553027  | null     | null      | null    | unlabelled |         | 0     |
 | 564800  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 641289  | null     | null      | null    | unlabelled |         | 0     |
 | 641290  | v1:6     | ethernet1 | 1236::3 | 925595     |         | 0     |
 | 641291  | v1:6     | ethernet1 | 1236::3 | 925596     |         | 0     |
 | 641292  | v1:6     | ethernet1 | 1236::3 | 925597     |         | 0     |
 | 641293  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 641294  | null     | null      | null    | unlabelled |         | 0     |
 | 641295  | null     | null      | null    | unlabelled |         | 0     |
 | 641296  | null     | null      | null    | unlabelled |         | 0     |
 | 641297  | null     | null      | null    | unlabelled |         | 0     |
 | 641298  | null     | null      | null    | unlabelled |         | 0     |
 | 981689  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1006836 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#