here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 36918   | null     | null      | null    | unlabelled |         | 0     |
 | 36919   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 36920   | v1:6     | ethernet1 | 1234::2 | 946713     |         | 0     |
 | 36921   | v1:6     | ethernet1 | 1234::2 | 946714     |         | 0     |
 | 36922   | v1:6     | ethernet1 | 1234::2 | 946715     |         | 0     |
 | 36923   | null     | null      | null    | unlabelled |         | 0     |
 | 36924   | null     | null      | null    | unlabelled |         | 0     |
 | 36925   | null     | null      | null    | unlabelled |         | 0     |
 | 36926   | null     | null      | null    | unlabelled |         | 0     |
 | 36927   | null     | null      | null    | unlabelled |         | 0     |
 | 94447   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 183315  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 191066  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 246440  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 360347  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 416268  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 489211  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 557602  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 754646  | null     | null      | null    | unlabelled |         | 0     |
 | 754647  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 754648  | v1:4     | ethernet1 | 1.1.1.2 | 895983     |         | 0     |
 | 754649  | v1:4     | ethernet1 | 1.1.1.2 | 895984     |         | 0     |
 | 754650  | v1:4     | ethernet1 | 1.1.1.2 | 895985     |         | 0     |
 | 754651  | null     | null      | null    | unlabelled |         | 0     |
 | 754652  | null     | null      | null    | unlabelled |         | 0     |
 | 754653  | null     | null      | null    | unlabelled |         | 0     |
 | 754654  | null     | null      | null    | unlabelled |         | 0     |
 | 754655  | null     | null      | null    | unlabelled |         | 0     |
 | 764472  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1044757 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 1022   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 13648  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 371866 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 436218 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 522631 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 540355 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 700126 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 735195 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 816368 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 819310 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 881070 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 895981 | null     | null      | null    | unlabelled |         | 0     |
 | 895982 | v1:4     | ethernet1 | 1.1.1.1 | 754647     |         | 1280  |
 | 895983 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 895984 | v1:4     | ethernet2 | 1.1.2.3 | 348701     |         | 640   |
 | 895985 | v1:4     | ethernet2 | 1.1.2.3 | 348702     |         | 640   |
 | 895986 | null     | null      | null    | unlabelled |         | 0     |
 | 895987 | null     | null      | null    | unlabelled |         | 0     |
 | 895988 | null     | null      | null    | unlabelled |         | 0     |
 | 895989 | null     | null      | null    | unlabelled |         | 0     |
 | 895990 | null     | null      | null    | unlabelled |         | 0     |
 | 946711 | null     | null      | null    | unlabelled |         | 0     |
 | 946712 | v1:6     | ethernet1 | 1234::1 | 36919      |         | 1280  |
 | 946713 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 946714 | v1:6     | ethernet2 | 1235::3 | 308391     |         | 640   |
 | 946715 | v1:6     | ethernet2 | 1235::3 | 308392     |         | 640   |
 | 946716 | null     | null      | null    | unlabelled |         | 0     |
 | 946717 | null     | null      | null    | unlabelled |         | 0     |
 | 946718 | null     | null      | null    | unlabelled |         | 0     |
 | 946719 | null     | null      | null    | unlabelled |         | 0     |
 | 946720 | null     | null      | null    | unlabelled |         | 0     |
 | 965496 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 130870  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 226836  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 308388  | null     | null      | null    | unlabelled |         | 0     |
 | 308389  | v1:6     | ethernet1 | 1235::2 | 946712     |         | 640   |
 | 308390  | v1:6     | ethernet1 | 1235::2 | 946713     |         | 640   |
 | 308391  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 308392  | v1:6     | ethernet2 | 1236::4 | 301891     |         | 1280  |
 | 308393  | null     | null      | null    | unlabelled |         | 0     |
 | 308394  | null     | null      | null    | unlabelled |         | 0     |
 | 308395  | null     | null      | null    | unlabelled |         | 0     |
 | 308396  | null     | null      | null    | unlabelled |         | 0     |
 | 308397  | null     | null      | null    | unlabelled |         | 0     |
 | 337030  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 348698  | null     | null      | null    | unlabelled |         | 0     |
 | 348699  | v1:4     | ethernet1 | 1.1.2.2 | 895982     |         | 640   |
 | 348700  | v1:4     | ethernet1 | 1.1.2.2 | 895983     |         | 640   |
 | 348701  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 348702  | v1:4     | ethernet2 | 1.1.3.4 | 276937     |         | 1280  |
 | 348703  | null     | null      | null    | unlabelled |         | 0     |
 | 348704  | null     | null      | null    | unlabelled |         | 0     |
 | 348705  | null     | null      | null    | unlabelled |         | 0     |
 | 348706  | null     | null      | null    | unlabelled |         | 0     |
 | 348707  | null     | null      | null    | unlabelled |         | 0     |
 | 452349  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 485301  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 655430  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 691875  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 716407  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 765693  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 963671  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 996304  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 1046261 | v1:6     | ethernet2 | 1236::4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 36887   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 162626  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 208346  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 237239  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 276933  | null     | null      | null    | unlabelled |         | 0     |
 | 276934  | v1:4     | ethernet1 | 1.1.3.3 | 348699     |         | 0     |
 | 276935  | v1:4     | ethernet1 | 1.1.3.3 | 348700     |         | 0     |
 | 276936  | v1:4     | ethernet1 | 1.1.3.3 | 348701     |         | 0     |
 | 276937  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 276938  | null     | null      | null    | unlabelled |         | 0     |
 | 276939  | null     | null      | null    | unlabelled |         | 0     |
 | 276940  | null     | null      | null    | unlabelled |         | 0     |
 | 276941  | null     | null      | null    | unlabelled |         | 0     |
 | 276942  | null     | null      | null    | unlabelled |         | 0     |
 | 278029  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 301887  | null     | null      | null    | unlabelled |         | 0     |
 | 301888  | v1:6     | ethernet1 | 1236::3 | 308389     |         | 0     |
 | 301889  | v1:6     | ethernet1 | 1236::3 | 308390     |         | 0     |
 | 301890  | v1:6     | ethernet1 | 1236::3 | 308391     |         | 0     |
 | 301891  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 301892  | null     | null      | null    | unlabelled |         | 0     |
 | 301893  | null     | null      | null    | unlabelled |         | 0     |
 | 301894  | null     | null      | null    | unlabelled |         | 0     |
 | 301895  | null     | null      | null    | unlabelled |         | 0     |
 | 301896  | null     | null      | null    | unlabelled |         | 0     |
 | 640600  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 712455  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 714211  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 766360  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 1013985 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#