here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 71021   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 94780   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 102985  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 108655  | null     | null      | null    | unlabelled |         | 0     |
 | 108656  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 108657  | v1:6     | ethernet1 | 1234::2 | 6444       |         | 0     |
 | 108658  | v1:6     | ethernet1 | 1234::2 | 6445       |         | 0     |
 | 108659  | v1:6     | ethernet1 | 1234::2 | 6446       |         | 0     |
 | 108660  | null     | null      | null    | unlabelled |         | 0     |
 | 108661  | null     | null      | null    | unlabelled |         | 0     |
 | 108662  | null     | null      | null    | unlabelled |         | 0     |
 | 108663  | null     | null      | null    | unlabelled |         | 0     |
 | 108664  | null     | null      | null    | unlabelled |         | 0     |
 | 233912  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 494467  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 587035  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 830063  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 894522  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1019287 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1019320 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 1048053 | null     | null      | null    | unlabelled |         | 0     |
 | 1048054 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1048055 | v1:4     | ethernet1 | 1.1.1.2 | 703101     |         | 0     |
 | 1048056 | v1:4     | ethernet1 | 1.1.1.2 | 703102     |         | 0     |
 | 1048057 | v1:4     | ethernet1 | 1.1.1.2 | 703103     |         | 0     |
 | 1048058 | null     | null      | null    | unlabelled |         | 0     |
 | 1048059 | null     | null      | null    | unlabelled |         | 0     |
 | 1048060 | null     | null      | null    | unlabelled |         | 0     |
 | 1048061 | null     | null      | null    | unlabelled |         | 0     |
 | 1048062 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 6442   | null     | null      | null    | unlabelled |         | 0     |
 | 6443   | v1:6     | ethernet1 | 1234::1 | 108656     |         | 1280  |
 | 6444   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 6445   | v1:6     | ethernet2 | 1235::3 | 589288     |         | 640   |
 | 6446   | v1:6     | ethernet2 | 1235::3 | 589289     |         | 640   |
 | 6447   | null     | null      | null    | unlabelled |         | 0     |
 | 6448   | null     | null      | null    | unlabelled |         | 0     |
 | 6449   | null     | null      | null    | unlabelled |         | 0     |
 | 6450   | null     | null      | null    | unlabelled |         | 0     |
 | 6451   | null     | null      | null    | unlabelled |         | 0     |
 | 146117 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 180471 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 223927 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 265229 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 371819 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 388837 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 391514 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 416554 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 545457 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 630024 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 703099 | null     | null      | null    | unlabelled |         | 0     |
 | 703100 | v1:4     | ethernet1 | 1.1.1.1 | 1048054    |         | 1280  |
 | 703101 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 703102 | v1:4     | ethernet2 | 1.1.2.3 | 97582      |         | 640   |
 | 703103 | v1:4     | ethernet2 | 1.1.2.3 | 97583      |         | 640   |
 | 703104 | null     | null      | null    | unlabelled |         | 0     |
 | 703105 | null     | null      | null    | unlabelled |         | 0     |
 | 703106 | null     | null      | null    | unlabelled |         | 0     |
 | 703107 | null     | null      | null    | unlabelled |         | 0     |
 | 703108 | null     | null      | null    | unlabelled |         | 0     |
 | 726102 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 760367 | v1:6     | ethernet2 | 1235::3 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 36370  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 94315  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 97579  | null     | null      | null    | unlabelled |         | 0     |
 | 97580  | v1:4     | ethernet1 | 1.1.2.2 | 703100     |         | 640   |
 | 97581  | v1:4     | ethernet1 | 1.1.2.2 | 703101     |         | 640   |
 | 97582  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 97583  | v1:4     | ethernet2 | 1.1.3.4 | 954457     |         | 1280  |
 | 97584  | null     | null      | null    | unlabelled |         | 0     |
 | 97585  | null     | null      | null    | unlabelled |         | 0     |
 | 97586  | null     | null      | null    | unlabelled |         | 0     |
 | 97587  | null     | null      | null    | unlabelled |         | 0     |
 | 97588  | null     | null      | null    | unlabelled |         | 0     |
 | 248526 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 337975 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 438280 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 446622 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 465916 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 589285 | null     | null      | null    | unlabelled |         | 0     |
 | 589286 | v1:6     | ethernet1 | 1235::2 | 6443       |         | 640   |
 | 589287 | v1:6     | ethernet1 | 1235::2 | 6444       |         | 640   |
 | 589288 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 589289 | v1:6     | ethernet2 | 1236::4 | 323049     |         | 1280  |
 | 589290 | null     | null      | null    | unlabelled |         | 0     |
 | 589291 | null     | null      | null    | unlabelled |         | 0     |
 | 589292 | null     | null      | null    | unlabelled |         | 0     |
 | 589293 | null     | null      | null    | unlabelled |         | 0     |
 | 589294 | null     | null      | null    | unlabelled |         | 0     |
 | 697161 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 710306 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 730445 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 862768 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 944250 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 93097   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 273311  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 323045  | null     | null      | null    | unlabelled |         | 0     |
 | 323046  | v1:6     | ethernet1 | 1236::3 | 589286     |         | 0     |
 | 323047  | v1:6     | ethernet1 | 1236::3 | 589287     |         | 0     |
 | 323048  | v1:6     | ethernet1 | 1236::3 | 589288     |         | 0     |
 | 323049  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 323050  | null     | null      | null    | unlabelled |         | 0     |
 | 323051  | null     | null      | null    | unlabelled |         | 0     |
 | 323052  | null     | null      | null    | unlabelled |         | 0     |
 | 323053  | null     | null      | null    | unlabelled |         | 0     |
 | 323054  | null     | null      | null    | unlabelled |         | 0     |
 | 396492  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 464661  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 758228  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 813403  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 882220  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 954453  | null     | null      | null    | unlabelled |         | 0     |
 | 954454  | v1:4     | ethernet1 | 1.1.3.3 | 97580      |         | 0     |
 | 954455  | v1:4     | ethernet1 | 1.1.3.3 | 97581      |         | 0     |
 | 954456  | v1:4     | ethernet1 | 1.1.3.3 | 97582      |         | 0     |
 | 954457  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 954458  | null     | null      | null    | unlabelled |         | 0     |
 | 954459  | null     | null      | null    | unlabelled |         | 0     |
 | 954460  | null     | null      | null    | unlabelled |         | 0     |
 | 954461  | null     | null      | null    | unlabelled |         | 0     |
 | 954462  | null     | null      | null    | unlabelled |         | 0     |
 | 957421  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 971336  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 1024097 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#