here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 126790 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 160976 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 222467 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 319715 | null     | null      | null    | unlabelled |         | 0     |
 | 319716 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 319717 | v1:6     | ethernet1 | 1234::2 | 657901     |         | 0     |
 | 319718 | v1:6     | ethernet1 | 1234::2 | 657902     |         | 0     |
 | 319719 | v1:6     | ethernet1 | 1234::2 | 657903     |         | 0     |
 | 319720 | null     | null      | null    | unlabelled |         | 0     |
 | 319721 | null     | null      | null    | unlabelled |         | 0     |
 | 319722 | null     | null      | null    | unlabelled |         | 0     |
 | 319723 | null     | null      | null    | unlabelled |         | 0     |
 | 319724 | null     | null      | null    | unlabelled |         | 0     |
 | 352002 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 556739 | null     | null      | null    | unlabelled |         | 0     |
 | 556740 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 556741 | v1:4     | ethernet1 | 1.1.1.2 | 522744     |         | 0     |
 | 556742 | v1:4     | ethernet1 | 1.1.1.2 | 522745     |         | 0     |
 | 556743 | v1:4     | ethernet1 | 1.1.1.2 | 522746     |         | 0     |
 | 556744 | null     | null      | null    | unlabelled |         | 0     |
 | 556745 | null     | null      | null    | unlabelled |         | 0     |
 | 556746 | null     | null      | null    | unlabelled |         | 0     |
 | 556747 | null     | null      | null    | unlabelled |         | 0     |
 | 556748 | null     | null      | null    | unlabelled |         | 0     |
 | 705664 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 744372 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 448346 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 461885 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 501175 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 506030 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 522742 | null     | null      | null    | unlabelled |         | 0     |
 | 522743 | v1:4     | ethernet1 | 1.1.1.1 | 556740     |         | 1280  |
 | 522744 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 522745 | v1:4     | ethernet2 | 1.1.2.3 | 411683     |         | 640   |
 | 522746 | v1:4     | ethernet2 | 1.1.2.3 | 411684     |         | 640   |
 | 522747 | null     | null      | null    | unlabelled |         | 0     |
 | 522748 | null     | null      | null    | unlabelled |         | 0     |
 | 522749 | null     | null      | null    | unlabelled |         | 0     |
 | 522750 | null     | null      | null    | unlabelled |         | 0     |
 | 522751 | null     | null      | null    | unlabelled |         | 0     |
 | 559743 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 567835 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 657899 | null     | null      | null    | unlabelled |         | 0     |
 | 657900 | v1:6     | ethernet1 | 1234::1 | 319716     |         | 1280  |
 | 657901 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 657902 | v1:6     | ethernet2 | 1235::3 | 31814      |         | 640   |
 | 657903 | v1:6     | ethernet2 | 1235::3 | 31815      |         | 640   |
 | 657904 | null     | null      | null    | unlabelled |         | 0     |
 | 657905 | null     | null      | null    | unlabelled |         | 0     |
 | 657906 | null     | null      | null    | unlabelled |         | 0     |
 | 657907 | null     | null      | null    | unlabelled |         | 0     |
 | 657908 | null     | null      | null    | unlabelled |         | 0     |
 | 821123 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 897747 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 31811  | null     | null      | null    | unlabelled |         | 0     |
 | 31812  | v1:6     | ethernet1 | 1235::2 | 657900     |         | 640   |
 | 31813  | v1:6     | ethernet1 | 1235::2 | 657901     |         | 640   |
 | 31814  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 31815  | v1:6     | ethernet2 | 1236::4 | 279921     |         | 1280  |
 | 31816  | null     | null      | null    | unlabelled |         | 0     |
 | 31817  | null     | null      | null    | unlabelled |         | 0     |
 | 31818  | null     | null      | null    | unlabelled |         | 0     |
 | 31819  | null     | null      | null    | unlabelled |         | 0     |
 | 31820  | null     | null      | null    | unlabelled |         | 0     |
 | 46982  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 174984 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 411680 | null     | null      | null    | unlabelled |         | 0     |
 | 411681 | v1:4     | ethernet1 | 1.1.2.2 | 522743     |         | 640   |
 | 411682 | v1:4     | ethernet1 | 1.1.2.2 | 522744     |         | 640   |
 | 411683 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 411684 | v1:4     | ethernet2 | 1.1.3.4 | 95685      |         | 1280  |
 | 411685 | null     | null      | null    | unlabelled |         | 0     |
 | 411686 | null     | null      | null    | unlabelled |         | 0     |
 | 411687 | null     | null      | null    | unlabelled |         | 0     |
 | 411688 | null     | null      | null    | unlabelled |         | 0     |
 | 411689 | null     | null      | null    | unlabelled |         | 0     |
 | 486563 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 534164 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 546072 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 581940 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 603209 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 916861 | v1:4     | ethernet1 | 1.1.2.2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 75939  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 83058  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 95681  | null     | null      | null    | unlabelled |         | 0     |
 | 95682  | v1:4     | ethernet1 | 1.1.3.3 | 411681     |         | 0     |
 | 95683  | v1:4     | ethernet1 | 1.1.3.3 | 411682     |         | 0     |
 | 95684  | v1:4     | ethernet1 | 1.1.3.3 | 411683     |         | 0     |
 | 95685  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 95686  | null     | null      | null    | unlabelled |         | 0     |
 | 95687  | null     | null      | null    | unlabelled |         | 0     |
 | 95688  | null     | null      | null    | unlabelled |         | 0     |
 | 95689  | null     | null      | null    | unlabelled |         | 0     |
 | 95690  | null     | null      | null    | unlabelled |         | 0     |
 | 279917 | null     | null      | null    | unlabelled |         | 0     |
 | 279918 | v1:6     | ethernet1 | 1236::3 | 31812      |         | 0     |
 | 279919 | v1:6     | ethernet1 | 1236::3 | 31813      |         | 0     |
 | 279920 | v1:6     | ethernet1 | 1236::3 | 31814      |         | 0     |
 | 279921 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 279922 | null     | null      | null    | unlabelled |         | 0     |
 | 279923 | null     | null      | null    | unlabelled |         | 0     |
 | 279924 | null     | null      | null    | unlabelled |         | 0     |
 | 279925 | null     | null      | null    | unlabelled |         | 0     |
 | 279926 | null     | null      | null    | unlabelled |         | 0     |
 | 389760 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 494492 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 650040 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 975374 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#