here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 86321  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 316737 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 375540 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 464218 | null     | null      | null    | unlabelled |         | 0     |
 | 464219 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 464220 | v1:6     | ethernet1 | 1234::2 | 538252     |         | 0     |
 | 464221 | v1:6     | ethernet1 | 1234::2 | 538253     |         | 0     |
 | 464222 | v1:6     | ethernet1 | 1234::2 | 538254     |         | 0     |
 | 464223 | null     | null      | null    | unlabelled |         | 0     |
 | 464224 | null     | null      | null    | unlabelled |         | 0     |
 | 464225 | null     | null      | null    | unlabelled |         | 0     |
 | 464226 | null     | null      | null    | unlabelled |         | 0     |
 | 464227 | null     | null      | null    | unlabelled |         | 0     |
 | 497416 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 509317 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 523937 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 574725 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 581535 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 666880 | null     | null      | null    | unlabelled |         | 0     |
 | 666881 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 666882 | v1:4     | ethernet1 | 1.1.1.2 | 130175     |         | 0     |
 | 666883 | v1:4     | ethernet1 | 1.1.1.2 | 130176     |         | 0     |
 | 666884 | v1:4     | ethernet1 | 1.1.1.2 | 130177     |         | 0     |
 | 666885 | null     | null      | null    | unlabelled |         | 0     |
 | 666886 | null     | null      | null    | unlabelled |         | 0     |
 | 666887 | null     | null      | null    | unlabelled |         | 0     |
 | 666888 | null     | null      | null    | unlabelled |         | 0     |
 | 666889 | null     | null      | null    | unlabelled |         | 0     |
 | 888609 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 933105 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 41755   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 52640   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 85064   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 130173  | null     | null      | null    | unlabelled |         | 0     |
 | 130174  | v1:4     | ethernet1 | 1.1.1.1 | 666881     |         | 1280  |
 | 130175  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 130176  | v1:4     | ethernet2 | 1.1.2.3 | 357909     |         | 640   |
 | 130177  | v1:4     | ethernet2 | 1.1.2.3 | 357910     |         | 640   |
 | 130178  | null     | null      | null    | unlabelled |         | 0     |
 | 130179  | null     | null      | null    | unlabelled |         | 0     |
 | 130180  | null     | null      | null    | unlabelled |         | 0     |
 | 130181  | null     | null      | null    | unlabelled |         | 0     |
 | 130182  | null     | null      | null    | unlabelled |         | 0     |
 | 244022  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 323034  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 538250  | null     | null      | null    | unlabelled |         | 0     |
 | 538251  | v1:6     | ethernet1 | 1234::1 | 464219     |         | 1280  |
 | 538252  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 538253  | v1:6     | ethernet2 | 1235::3 | 778953     |         | 640   |
 | 538254  | v1:6     | ethernet2 | 1235::3 | 778954     |         | 640   |
 | 538255  | null     | null      | null    | unlabelled |         | 0     |
 | 538256  | null     | null      | null    | unlabelled |         | 0     |
 | 538257  | null     | null      | null    | unlabelled |         | 0     |
 | 538258  | null     | null      | null    | unlabelled |         | 0     |
 | 538259  | null     | null      | null    | unlabelled |         | 0     |
 | 660252  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 700436  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 768174  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 813924  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 957683  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 977857  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1046797 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 117123  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 157409  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 268519  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 323563  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 325853  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 328304  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 357906  | null     | null      | null    | unlabelled |         | 0     |
 | 357907  | v1:4     | ethernet1 | 1.1.2.2 | 130174     |         | 640   |
 | 357908  | v1:4     | ethernet1 | 1.1.2.2 | 130175     |         | 640   |
 | 357909  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 357910  | v1:4     | ethernet2 | 1.1.3.4 | 919462     |         | 1280  |
 | 357911  | null     | null      | null    | unlabelled |         | 0     |
 | 357912  | null     | null      | null    | unlabelled |         | 0     |
 | 357913  | null     | null      | null    | unlabelled |         | 0     |
 | 357914  | null     | null      | null    | unlabelled |         | 0     |
 | 357915  | null     | null      | null    | unlabelled |         | 0     |
 | 375147  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 433161  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 763974  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 778950  | null     | null      | null    | unlabelled |         | 0     |
 | 778951  | v1:6     | ethernet1 | 1235::2 | 538251     |         | 640   |
 | 778952  | v1:6     | ethernet1 | 1235::2 | 538252     |         | 640   |
 | 778953  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 778954  | v1:6     | ethernet2 | 1236::4 | 1008873    |         | 1280  |
 | 778955  | null     | null      | null    | unlabelled |         | 0     |
 | 778956  | null     | null      | null    | unlabelled |         | 0     |
 | 778957  | null     | null      | null    | unlabelled |         | 0     |
 | 778958  | null     | null      | null    | unlabelled |         | 0     |
 | 778959  | null     | null      | null    | unlabelled |         | 0     |
 | 858781  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 962411  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1005351 | v1:4     | ethernet2 | 1.1.3.4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 2889    | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 80438   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 178326  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 430294  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 448525  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 640227  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 653482  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 758888  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 889777  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 919458  | null     | null      | null    | unlabelled |         | 0     |
 | 919459  | v1:4     | ethernet1 | 1.1.3.3 | 357907     |         | 0     |
 | 919460  | v1:4     | ethernet1 | 1.1.3.3 | 357908     |         | 0     |
 | 919461  | v1:4     | ethernet1 | 1.1.3.3 | 357909     |         | 0     |
 | 919462  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 919463  | null     | null      | null    | unlabelled |         | 0     |
 | 919464  | null     | null      | null    | unlabelled |         | 0     |
 | 919465  | null     | null      | null    | unlabelled |         | 0     |
 | 919466  | null     | null      | null    | unlabelled |         | 0     |
 | 919467  | null     | null      | null    | unlabelled |         | 0     |
 | 951182  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1008869 | null     | null      | null    | unlabelled |         | 0     |
 | 1008870 | v1:6     | ethernet1 | 1236::3 | 778951     |         | 0     |
 | 1008871 | v1:6     | ethernet1 | 1236::3 | 778952     |         | 0     |
 | 1008872 | v1:6     | ethernet1 | 1236::3 | 778953     |         | 0     |
 | 1008873 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1008874 | null     | null      | null    | unlabelled |         | 0     |
 | 1008875 | null     | null      | null    | unlabelled |         | 0     |
 | 1008876 | null     | null      | null    | unlabelled |         | 0     |
 | 1008877 | null     | null      | null    | unlabelled |         | 0     |
 | 1008878 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#