here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 32821   | null     | null      | null    | unlabelled |         | 0     |
 | 32822   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 32823   | v1:4     | ethernet1 | 1.1.1.2 | 193952     |         | 0     |
 | 32824   | v1:4     | ethernet1 | 1.1.1.2 | 193953     |         | 0     |
 | 32825   | v1:4     | ethernet1 | 1.1.1.2 | 193954     |         | 0     |
 | 32826   | null     | null      | null    | unlabelled |         | 0     |
 | 32827   | null     | null      | null    | unlabelled |         | 0     |
 | 32828   | null     | null      | null    | unlabelled |         | 0     |
 | 32829   | null     | null      | null    | unlabelled |         | 0     |
 | 32830   | null     | null      | null    | unlabelled |         | 0     |
 | 342696  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 353904  | null     | null      | null    | unlabelled |         | 0     |
 | 353905  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 353906  | v1:6     | ethernet1 | 1234::2 | 729571     |         | 0     |
 | 353907  | v1:6     | ethernet1 | 1234::2 | 729572     |         | 0     |
 | 353908  | v1:6     | ethernet1 | 1234::2 | 729573     |         | 0     |
 | 353909  | null     | null      | null    | unlabelled |         | 0     |
 | 353910  | null     | null      | null    | unlabelled |         | 0     |
 | 353911  | null     | null      | null    | unlabelled |         | 0     |
 | 353912  | null     | null      | null    | unlabelled |         | 0     |
 | 353913  | null     | null      | null    | unlabelled |         | 0     |
 | 513842  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 552364  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 555574  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 703764  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 723869  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 870792  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 944742  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 973679  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1032952 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 38528   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 80767   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 154517  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 193950  | null     | null      | null    | unlabelled |         | 0     |
 | 193951  | v1:4     | ethernet1 | 1.1.1.1 | 32822      |         | 1280  |
 | 193952  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 193953  | v1:4     | ethernet2 | 1.1.2.3 | 73765      |         | 640   |
 | 193954  | v1:4     | ethernet2 | 1.1.2.3 | 73766      |         | 640   |
 | 193955  | null     | null      | null    | unlabelled |         | 0     |
 | 193956  | null     | null      | null    | unlabelled |         | 0     |
 | 193957  | null     | null      | null    | unlabelled |         | 0     |
 | 193958  | null     | null      | null    | unlabelled |         | 0     |
 | 193959  | null     | null      | null    | unlabelled |         | 0     |
 | 215679  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 252256  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 340992  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 484924  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 729569  | null     | null      | null    | unlabelled |         | 0     |
 | 729570  | v1:6     | ethernet1 | 1234::1 | 353905     |         | 1280  |
 | 729571  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 729572  | v1:6     | ethernet2 | 1235::3 | 48226      |         | 640   |
 | 729573  | v1:6     | ethernet2 | 1235::3 | 48227      |         | 640   |
 | 729574  | null     | null      | null    | unlabelled |         | 0     |
 | 729575  | null     | null      | null    | unlabelled |         | 0     |
 | 729576  | null     | null      | null    | unlabelled |         | 0     |
 | 729577  | null     | null      | null    | unlabelled |         | 0     |
 | 729578  | null     | null      | null    | unlabelled |         | 0     |
 | 814164  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 823161  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 972013  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1022812 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1025018 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 14021  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 48223  | null     | null      | null    | unlabelled |         | 0     |
 | 48224  | v1:6     | ethernet1 | 1235::2 | 729570     |         | 640   |
 | 48225  | v1:6     | ethernet1 | 1235::2 | 729571     |         | 640   |
 | 48226  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 48227  | v1:6     | ethernet2 | 1236::4 | 253005     |         | 1280  |
 | 48228  | null     | null      | null    | unlabelled |         | 0     |
 | 48229  | null     | null      | null    | unlabelled |         | 0     |
 | 48230  | null     | null      | null    | unlabelled |         | 0     |
 | 48231  | null     | null      | null    | unlabelled |         | 0     |
 | 48232  | null     | null      | null    | unlabelled |         | 0     |
 | 73762  | null     | null      | null    | unlabelled |         | 0     |
 | 73763  | v1:4     | ethernet1 | 1.1.2.2 | 193951     |         | 640   |
 | 73764  | v1:4     | ethernet1 | 1.1.2.2 | 193952     |         | 640   |
 | 73765  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 73766  | v1:4     | ethernet2 | 1.1.3.4 | 866491     |         | 1280  |
 | 73767  | null     | null      | null    | unlabelled |         | 0     |
 | 73768  | null     | null      | null    | unlabelled |         | 0     |
 | 73769  | null     | null      | null    | unlabelled |         | 0     |
 | 73770  | null     | null      | null    | unlabelled |         | 0     |
 | 73771  | null     | null      | null    | unlabelled |         | 0     |
 | 97589  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 110064 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 136905 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 151758 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 213181 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 247866 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 394464 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 490012 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 849547 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 925623 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 929739 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 136523 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 170792 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 239885 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 253001 | null     | null      | null    | unlabelled |         | 0     |
 | 253002 | v1:6     | ethernet1 | 1236::3 | 48224      |         | 0     |
 | 253003 | v1:6     | ethernet1 | 1236::3 | 48225      |         | 0     |
 | 253004 | v1:6     | ethernet1 | 1236::3 | 48226      |         | 0     |
 | 253005 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 253006 | null     | null      | null    | unlabelled |         | 0     |
 | 253007 | null     | null      | null    | unlabelled |         | 0     |
 | 253008 | null     | null      | null    | unlabelled |         | 0     |
 | 253009 | null     | null      | null    | unlabelled |         | 0     |
 | 253010 | null     | null      | null    | unlabelled |         | 0     |
 | 279687 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 284980 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 310855 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 487578 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 683304 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 804131 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 866487 | null     | null      | null    | unlabelled |         | 0     |
 | 866488 | v1:4     | ethernet1 | 1.1.3.3 | 73763      |         | 0     |
 | 866489 | v1:4     | ethernet1 | 1.1.3.3 | 73764      |         | 0     |
 | 866490 | v1:4     | ethernet1 | 1.1.3.3 | 73765      |         | 0     |
 | 866491 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 866492 | null     | null      | null    | unlabelled |         | 0     |
 | 866493 | null     | null      | null    | unlabelled |         | 0     |
 | 866494 | null     | null      | null    | unlabelled |         | 0     |
 | 866495 | null     | null      | null    | unlabelled |         | 0     |
 | 866496 | null     | null      | null    | unlabelled |         | 0     |
 | 934147 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#