here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 250171  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 260147  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 429810  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 431082  | null     | null      | null    | unlabelled |         | 0     |
 | 431083  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 431084  | v1:4     | ethernet1 | 1.1.1.2 | 1008022    |         | 0     |
 | 431085  | v1:4     | ethernet1 | 1.1.1.2 | 1008023    |         | 0     |
 | 431086  | v1:4     | ethernet1 | 1.1.1.2 | 1008024    |         | 0     |
 | 431087  | null     | null      | null    | unlabelled |         | 0     |
 | 431088  | null     | null      | null    | unlabelled |         | 0     |
 | 431089  | null     | null      | null    | unlabelled |         | 0     |
 | 431090  | null     | null      | null    | unlabelled |         | 0     |
 | 431091  | null     | null      | null    | unlabelled |         | 0     |
 | 568655  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 895383  | null     | null      | null    | unlabelled |         | 0     |
 | 895384  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 895385  | v1:6     | ethernet1 | 1234::2 | 1038953    |         | 0     |
 | 895386  | v1:6     | ethernet1 | 1234::2 | 1038954    |         | 0     |
 | 895387  | v1:6     | ethernet1 | 1234::2 | 1038955    |         | 0     |
 | 895388  | null     | null      | null    | unlabelled |         | 0     |
 | 895389  | null     | null      | null    | unlabelled |         | 0     |
 | 895390  | null     | null      | null    | unlabelled |         | 0     |
 | 895391  | null     | null      | null    | unlabelled |         | 0     |
 | 895392  | null     | null      | null    | unlabelled |         | 0     |
 | 1034549 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1035569 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 271221  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 564465  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 571948  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 585116  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 704974  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 919966  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 961037  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 990444  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 1008020 | null     | null      | null    | unlabelled |         | 0     |
 | 1008021 | v1:4     | ethernet1 | 1.1.1.1 | 431083     |         | 1280  |
 | 1008022 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1008023 | v1:4     | ethernet2 | 1.1.2.3 | 221035     |         | 640   |
 | 1008024 | v1:4     | ethernet2 | 1.1.2.3 | 221036     |         | 640   |
 | 1008025 | null     | null      | null    | unlabelled |         | 0     |
 | 1008026 | null     | null      | null    | unlabelled |         | 0     |
 | 1008027 | null     | null      | null    | unlabelled |         | 0     |
 | 1008028 | null     | null      | null    | unlabelled |         | 0     |
 | 1008029 | null     | null      | null    | unlabelled |         | 0     |
 | 1038951 | null     | null      | null    | unlabelled |         | 0     |
 | 1038952 | v1:6     | ethernet1 | 1234::1 | 895384     |         | 1280  |
 | 1038953 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1038954 | v1:6     | ethernet2 | 1235::3 | 1036126    |         | 640   |
 | 1038955 | v1:6     | ethernet2 | 1235::3 | 1036127    |         | 640   |
 | 1038956 | null     | null      | null    | unlabelled |         | 0     |
 | 1038957 | null     | null      | null    | unlabelled |         | 0     |
 | 1038958 | null     | null      | null    | unlabelled |         | 0     |
 | 1038959 | null     | null      | null    | unlabelled |         | 0     |
 | 1038960 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 43245   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 144126  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 221032  | null     | null      | null    | unlabelled |         | 0     |
 | 221033  | v1:4     | ethernet1 | 1.1.2.2 | 1008021    |         | 640   |
 | 221034  | v1:4     | ethernet1 | 1.1.2.2 | 1008022    |         | 640   |
 | 221035  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 221036  | v1:4     | ethernet2 | 1.1.3.4 | 831309     |         | 1280  |
 | 221037  | null     | null      | null    | unlabelled |         | 0     |
 | 221038  | null     | null      | null    | unlabelled |         | 0     |
 | 221039  | null     | null      | null    | unlabelled |         | 0     |
 | 221040  | null     | null      | null    | unlabelled |         | 0     |
 | 221041  | null     | null      | null    | unlabelled |         | 0     |
 | 326377  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 619793  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 648430  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 675153  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 776852  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 965281  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 1036123 | null     | null      | null    | unlabelled |         | 0     |
 | 1036124 | v1:6     | ethernet1 | 1235::2 | 1038952    |         | 640   |
 | 1036125 | v1:6     | ethernet1 | 1235::2 | 1038953    |         | 640   |
 | 1036126 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1036127 | v1:6     | ethernet2 | 1236::4 | 613970     |         | 1280  |
 | 1036128 | null     | null      | null    | unlabelled |         | 0     |
 | 1036129 | null     | null      | null    | unlabelled |         | 0     |
 | 1036130 | null     | null      | null    | unlabelled |         | 0     |
 | 1036131 | null     | null      | null    | unlabelled |         | 0     |
 | 1036132 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 143574 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 152420 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 347568 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 609358 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 613966 | null     | null      | null    | unlabelled |         | 0     |
 | 613967 | v1:6     | ethernet1 | 1236::3 | 1036124    |         | 0     |
 | 613968 | v1:6     | ethernet1 | 1236::3 | 1036125    |         | 0     |
 | 613969 | v1:6     | ethernet1 | 1236::3 | 1036126    |         | 0     |
 | 613970 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 613971 | null     | null      | null    | unlabelled |         | 0     |
 | 613972 | null     | null      | null    | unlabelled |         | 0     |
 | 613973 | null     | null      | null    | unlabelled |         | 0     |
 | 613974 | null     | null      | null    | unlabelled |         | 0     |
 | 613975 | null     | null      | null    | unlabelled |         | 0     |
 | 698218 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 705220 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 831305 | null     | null      | null    | unlabelled |         | 0     |
 | 831306 | v1:4     | ethernet1 | 1.1.3.3 | 221033     |         | 0     |
 | 831307 | v1:4     | ethernet1 | 1.1.3.3 | 221034     |         | 0     |
 | 831308 | v1:4     | ethernet1 | 1.1.3.3 | 221035     |         | 0     |
 | 831309 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 831310 | null     | null      | null    | unlabelled |         | 0     |
 | 831311 | null     | null      | null    | unlabelled |         | 0     |
 | 831312 | null     | null      | null    | unlabelled |         | 0     |
 | 831313 | null     | null      | null    | unlabelled |         | 0     |
 | 831314 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#