here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 164244  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 266316  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 266796  | null     | null      | null    | unlabelled |         | 0     |
 | 266797  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 266798  | v1:4     | ethernet1 | 1.1.1.2 | 928350     |         | 0     |
 | 266799  | v1:4     | ethernet1 | 1.1.1.2 | 928351     |         | 0     |
 | 266800  | v1:4     | ethernet1 | 1.1.1.2 | 928352     |         | 0     |
 | 266801  | null     | null      | null    | unlabelled |         | 0     |
 | 266802  | null     | null      | null    | unlabelled |         | 0     |
 | 266803  | null     | null      | null    | unlabelled |         | 0     |
 | 266804  | null     | null      | null    | unlabelled |         | 0     |
 | 266805  | null     | null      | null    | unlabelled |         | 0     |
 | 660401  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 768897  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 915565  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 982553  | null     | null      | null    | unlabelled |         | 0     |
 | 982554  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 982555  | v1:6     | ethernet1 | 1234::2 | 475797     |         | 0     |
 | 982556  | v1:6     | ethernet1 | 1234::2 | 475798     |         | 0     |
 | 982557  | v1:6     | ethernet1 | 1234::2 | 475799     |         | 0     |
 | 982558  | null     | null      | null    | unlabelled |         | 0     |
 | 982559  | null     | null      | null    | unlabelled |         | 0     |
 | 982560  | null     | null      | null    | unlabelled |         | 0     |
 | 982561  | null     | null      | null    | unlabelled |         | 0     |
 | 982562  | null     | null      | null    | unlabelled |         | 0     |
 | 1029213 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 216905 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 254867 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 301454 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 428467 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 475795 | null     | null      | null    | unlabelled |         | 0     |
 | 475796 | v1:6     | ethernet1 | 1234::1 | 982554     |         | 1280  |
 | 475797 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 475798 | v1:6     | ethernet2 | 1235::3 | 754690     |         | 640   |
 | 475799 | v1:6     | ethernet2 | 1235::3 | 754691     |         | 640   |
 | 475800 | null     | null      | null    | unlabelled |         | 0     |
 | 475801 | null     | null      | null    | unlabelled |         | 0     |
 | 475802 | null     | null      | null    | unlabelled |         | 0     |
 | 475803 | null     | null      | null    | unlabelled |         | 0     |
 | 475804 | null     | null      | null    | unlabelled |         | 0     |
 | 476201 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 854316 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 928348 | null     | null      | null    | unlabelled |         | 0     |
 | 928349 | v1:4     | ethernet1 | 1.1.1.1 | 266797     |         | 1280  |
 | 928350 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 928351 | v1:4     | ethernet2 | 1.1.2.3 | 138754     |         | 640   |
 | 928352 | v1:4     | ethernet2 | 1.1.2.3 | 138755     |         | 640   |
 | 928353 | null     | null      | null    | unlabelled |         | 0     |
 | 928354 | null     | null      | null    | unlabelled |         | 0     |
 | 928355 | null     | null      | null    | unlabelled |         | 0     |
 | 928356 | null     | null      | null    | unlabelled |         | 0     |
 | 928357 | null     | null      | null    | unlabelled |         | 0     |
 | 941948 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 951189 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 86071  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 138751 | null     | null      | null    | unlabelled |         | 0     |
 | 138752 | v1:4     | ethernet1 | 1.1.2.2 | 928349     |         | 640   |
 | 138753 | v1:4     | ethernet1 | 1.1.2.2 | 928350     |         | 640   |
 | 138754 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 138755 | v1:4     | ethernet2 | 1.1.3.4 | 355976     |         | 1280  |
 | 138756 | null     | null      | null    | unlabelled |         | 0     |
 | 138757 | null     | null      | null    | unlabelled |         | 0     |
 | 138758 | null     | null      | null    | unlabelled |         | 0     |
 | 138759 | null     | null      | null    | unlabelled |         | 0     |
 | 138760 | null     | null      | null    | unlabelled |         | 0     |
 | 139930 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 325663 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 481860 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 514900 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 625838 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 707390 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 741233 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 754687 | null     | null      | null    | unlabelled |         | 0     |
 | 754688 | v1:6     | ethernet1 | 1235::2 | 475796     |         | 640   |
 | 754689 | v1:6     | ethernet1 | 1235::2 | 475797     |         | 640   |
 | 754690 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 754691 | v1:6     | ethernet2 | 1236::4 | 1005927    |         | 1280  |
 | 754692 | null     | null      | null    | unlabelled |         | 0     |
 | 754693 | null     | null      | null    | unlabelled |         | 0     |
 | 754694 | null     | null      | null    | unlabelled |         | 0     |
 | 754695 | null     | null      | null    | unlabelled |         | 0     |
 | 754696 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 53905   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 165071  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 282107  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 303396  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 355972  | null     | null      | null    | unlabelled |         | 0     |
 | 355973  | v1:4     | ethernet1 | 1.1.3.3 | 138752     |         | 0     |
 | 355974  | v1:4     | ethernet1 | 1.1.3.3 | 138753     |         | 0     |
 | 355975  | v1:4     | ethernet1 | 1.1.3.3 | 138754     |         | 0     |
 | 355976  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 355977  | null     | null      | null    | unlabelled |         | 0     |
 | 355978  | null     | null      | null    | unlabelled |         | 0     |
 | 355979  | null     | null      | null    | unlabelled |         | 0     |
 | 355980  | null     | null      | null    | unlabelled |         | 0     |
 | 355981  | null     | null      | null    | unlabelled |         | 0     |
 | 864143  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 897701  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 1005923 | null     | null      | null    | unlabelled |         | 0     |
 | 1005924 | v1:6     | ethernet1 | 1236::3 | 754688     |         | 0     |
 | 1005925 | v1:6     | ethernet1 | 1236::3 | 754689     |         | 0     |
 | 1005926 | v1:6     | ethernet1 | 1236::3 | 754690     |         | 0     |
 | 1005927 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1005928 | null     | null      | null    | unlabelled |         | 0     |
 | 1005929 | null     | null      | null    | unlabelled |         | 0     |
 | 1005930 | null     | null      | null    | unlabelled |         | 0     |
 | 1005931 | null     | null      | null    | unlabelled |         | 0     |
 | 1005932 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#