here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 86492   | null     | null      | null    | unlabelled |         | 0     |
 | 86493   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 86494   | v1:6     | ethernet1 | 1234::2 | 318197     |         | 0     |
 | 86495   | v1:6     | ethernet1 | 1234::2 | 318198     |         | 0     |
 | 86496   | v1:6     | ethernet1 | 1234::2 | 318199     |         | 0     |
 | 86497   | null     | null      | null    | unlabelled |         | 0     |
 | 86498   | null     | null      | null    | unlabelled |         | 0     |
 | 86499   | null     | null      | null    | unlabelled |         | 0     |
 | 86500   | null     | null      | null    | unlabelled |         | 0     |
 | 86501   | null     | null      | null    | unlabelled |         | 0     |
 | 224602  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 236405  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 238133  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 247363  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 345903  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 862039  | null     | null      | null    | unlabelled |         | 0     |
 | 862040  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 862041  | v1:4     | ethernet1 | 1.1.1.2 | 333555     |         | 0     |
 | 862042  | v1:4     | ethernet1 | 1.1.1.2 | 333556     |         | 0     |
 | 862043  | v1:4     | ethernet1 | 1.1.1.2 | 333557     |         | 0     |
 | 862044  | null     | null      | null    | unlabelled |         | 0     |
 | 862045  | null     | null      | null    | unlabelled |         | 0     |
 | 862046  | null     | null      | null    | unlabelled |         | 0     |
 | 862047  | null     | null      | null    | unlabelled |         | 0     |
 | 862048  | null     | null      | null    | unlabelled |         | 0     |
 | 1005315 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 232538 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 267117 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 280816 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 318195 | null     | null      | null    | unlabelled |         | 0     |
 | 318196 | v1:6     | ethernet1 | 1234::1 | 86493      |         | 1280  |
 | 318197 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 318198 | v1:6     | ethernet2 | 1235::3 | 557250     |         | 640   |
 | 318199 | v1:6     | ethernet2 | 1235::3 | 557251     |         | 640   |
 | 318200 | null     | null      | null    | unlabelled |         | 0     |
 | 318201 | null     | null      | null    | unlabelled |         | 0     |
 | 318202 | null     | null      | null    | unlabelled |         | 0     |
 | 318203 | null     | null      | null    | unlabelled |         | 0     |
 | 318204 | null     | null      | null    | unlabelled |         | 0     |
 | 333553 | null     | null      | null    | unlabelled |         | 0     |
 | 333554 | v1:4     | ethernet1 | 1.1.1.1 | 862040     |         | 1280  |
 | 333555 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 333556 | v1:4     | ethernet2 | 1.1.2.3 | 875233     |         | 640   |
 | 333557 | v1:4     | ethernet2 | 1.1.2.3 | 875234     |         | 640   |
 | 333558 | null     | null      | null    | unlabelled |         | 0     |
 | 333559 | null     | null      | null    | unlabelled |         | 0     |
 | 333560 | null     | null      | null    | unlabelled |         | 0     |
 | 333561 | null     | null      | null    | unlabelled |         | 0     |
 | 333562 | null     | null      | null    | unlabelled |         | 0     |
 | 344934 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 410255 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 628330 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 667827 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 981308 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 13382   | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 24504   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 83395   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 288192  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 432131  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 557247  | null     | null      | null    | unlabelled |         | 0     |
 | 557248  | v1:6     | ethernet1 | 1235::2 | 318196     |         | 640   |
 | 557249  | v1:6     | ethernet1 | 1235::2 | 318197     |         | 640   |
 | 557250  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 557251  | v1:6     | ethernet2 | 1236::4 | 779506     |         | 1280  |
 | 557252  | null     | null      | null    | unlabelled |         | 0     |
 | 557253  | null     | null      | null    | unlabelled |         | 0     |
 | 557254  | null     | null      | null    | unlabelled |         | 0     |
 | 557255  | null     | null      | null    | unlabelled |         | 0     |
 | 557256  | null     | null      | null    | unlabelled |         | 0     |
 | 875230  | null     | null      | null    | unlabelled |         | 0     |
 | 875231  | v1:4     | ethernet1 | 1.1.2.2 | 333554     |         | 640   |
 | 875232  | v1:4     | ethernet1 | 1.1.2.2 | 333555     |         | 640   |
 | 875233  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 875234  | v1:4     | ethernet2 | 1.1.3.4 | 816430     |         | 1280  |
 | 875235  | null     | null      | null    | unlabelled |         | 0     |
 | 875236  | null     | null      | null    | unlabelled |         | 0     |
 | 875237  | null     | null      | null    | unlabelled |         | 0     |
 | 875238  | null     | null      | null    | unlabelled |         | 0     |
 | 875239  | null     | null      | null    | unlabelled |         | 0     |
 | 885202  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 936723  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 1004076 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 59674  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 163830 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 237283 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 354447 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 659998 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 779502 | null     | null      | null    | unlabelled |         | 0     |
 | 779503 | v1:6     | ethernet1 | 1236::3 | 557248     |         | 0     |
 | 779504 | v1:6     | ethernet1 | 1236::3 | 557249     |         | 0     |
 | 779505 | v1:6     | ethernet1 | 1236::3 | 557250     |         | 0     |
 | 779506 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 779507 | null     | null      | null    | unlabelled |         | 0     |
 | 779508 | null     | null      | null    | unlabelled |         | 0     |
 | 779509 | null     | null      | null    | unlabelled |         | 0     |
 | 779510 | null     | null      | null    | unlabelled |         | 0     |
 | 779511 | null     | null      | null    | unlabelled |         | 0     |
 | 816426 | null     | null      | null    | unlabelled |         | 0     |
 | 816427 | v1:4     | ethernet1 | 1.1.3.3 | 875231     |         | 0     |
 | 816428 | v1:4     | ethernet1 | 1.1.3.3 | 875232     |         | 0     |
 | 816429 | v1:4     | ethernet1 | 1.1.3.3 | 875233     |         | 0     |
 | 816430 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 816431 | null     | null      | null    | unlabelled |         | 0     |
 | 816432 | null     | null      | null    | unlabelled |         | 0     |
 | 816433 | null     | null      | null    | unlabelled |         | 0     |
 | 816434 | null     | null      | null    | unlabelled |         | 0     |
 | 816435 | null     | null      | null    | unlabelled |         | 0     |
 | 837150 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#