here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 187651  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 276540  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 285943  | null     | null      | null    | unlabelled |         | 0     |
 | 285944  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 285945  | v1:6     | ethernet1 | 1234::2 | 917807     |         | 0     |
 | 285946  | v1:6     | ethernet1 | 1234::2 | 917808     |         | 0     |
 | 285947  | v1:6     | ethernet1 | 1234::2 | 917809     |         | 0     |
 | 285948  | null     | null      | null    | unlabelled |         | 0     |
 | 285949  | null     | null      | null    | unlabelled |         | 0     |
 | 285950  | null     | null      | null    | unlabelled |         | 0     |
 | 285951  | null     | null      | null    | unlabelled |         | 0     |
 | 285952  | null     | null      | null    | unlabelled |         | 0     |
 | 425030  | null     | null      | null    | unlabelled |         | 0     |
 | 425031  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 425032  | v1:4     | ethernet1 | 1.1.1.2 | 708594     |         | 0     |
 | 425033  | v1:4     | ethernet1 | 1.1.1.2 | 708595     |         | 0     |
 | 425034  | v1:4     | ethernet1 | 1.1.1.2 | 708596     |         | 0     |
 | 425035  | null     | null      | null    | unlabelled |         | 0     |
 | 425036  | null     | null      | null    | unlabelled |         | 0     |
 | 425037  | null     | null      | null    | unlabelled |         | 0     |
 | 425038  | null     | null      | null    | unlabelled |         | 0     |
 | 425039  | null     | null      | null    | unlabelled |         | 0     |
 | 477273  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 549043  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 992315  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 1025766 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 34806  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 251160 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 254809 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 414984 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 525059 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 603967 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 708592 | null     | null      | null    | unlabelled |         | 0     |
 | 708593 | v1:4     | ethernet1 | 1.1.1.1 | 425031     |         | 1280  |
 | 708594 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 708595 | v1:4     | ethernet2 | 1.1.2.3 | 559676     |         | 640   |
 | 708596 | v1:4     | ethernet2 | 1.1.2.3 | 559677     |         | 640   |
 | 708597 | null     | null      | null    | unlabelled |         | 0     |
 | 708598 | null     | null      | null    | unlabelled |         | 0     |
 | 708599 | null     | null      | null    | unlabelled |         | 0     |
 | 708600 | null     | null      | null    | unlabelled |         | 0     |
 | 708601 | null     | null      | null    | unlabelled |         | 0     |
 | 723970 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 917805 | null     | null      | null    | unlabelled |         | 0     |
 | 917806 | v1:6     | ethernet1 | 1234::1 | 285944     |         | 1280  |
 | 917807 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 917808 | v1:6     | ethernet2 | 1235::3 | 935110     |         | 640   |
 | 917809 | v1:6     | ethernet2 | 1235::3 | 935111     |         | 640   |
 | 917810 | null     | null      | null    | unlabelled |         | 0     |
 | 917811 | null     | null      | null    | unlabelled |         | 0     |
 | 917812 | null     | null      | null    | unlabelled |         | 0     |
 | 917813 | null     | null      | null    | unlabelled |         | 0     |
 | 917814 | null     | null      | null    | unlabelled |         | 0     |
 | 991193 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 52706   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 144557  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 214186  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 223513  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 293165  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 499006  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 559673  | null     | null      | null    | unlabelled |         | 0     |
 | 559674  | v1:4     | ethernet1 | 1.1.2.2 | 708593     |         | 640   |
 | 559675  | v1:4     | ethernet1 | 1.1.2.2 | 708594     |         | 640   |
 | 559676  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 559677  | v1:4     | ethernet2 | 1.1.3.4 | 271234     |         | 1280  |
 | 559678  | null     | null      | null    | unlabelled |         | 0     |
 | 559679  | null     | null      | null    | unlabelled |         | 0     |
 | 559680  | null     | null      | null    | unlabelled |         | 0     |
 | 559681  | null     | null      | null    | unlabelled |         | 0     |
 | 559682  | null     | null      | null    | unlabelled |         | 0     |
 | 935107  | null     | null      | null    | unlabelled |         | 0     |
 | 935108  | v1:6     | ethernet1 | 1235::2 | 917806     |         | 640   |
 | 935109  | v1:6     | ethernet1 | 1235::2 | 917807     |         | 640   |
 | 935110  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 935111  | v1:6     | ethernet2 | 1236::4 | 296455     |         | 1280  |
 | 935112  | null     | null      | null    | unlabelled |         | 0     |
 | 935113  | null     | null      | null    | unlabelled |         | 0     |
 | 935114  | null     | null      | null    | unlabelled |         | 0     |
 | 935115  | null     | null      | null    | unlabelled |         | 0     |
 | 935116  | null     | null      | null    | unlabelled |         | 0     |
 | 986924  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1043812 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 3086    | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 20211   | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 70216   | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 75170   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 117381  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 271230  | null     | null      | null    | unlabelled |         | 0     |
 | 271231  | v1:4     | ethernet1 | 1.1.3.3 | 559674     |         | 0     |
 | 271232  | v1:4     | ethernet1 | 1.1.3.3 | 559675     |         | 0     |
 | 271233  | v1:4     | ethernet1 | 1.1.3.3 | 559676     |         | 0     |
 | 271234  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 271235  | null     | null      | null    | unlabelled |         | 0     |
 | 271236  | null     | null      | null    | unlabelled |         | 0     |
 | 271237  | null     | null      | null    | unlabelled |         | 0     |
 | 271238  | null     | null      | null    | unlabelled |         | 0     |
 | 271239  | null     | null      | null    | unlabelled |         | 0     |
 | 296451  | null     | null      | null    | unlabelled |         | 0     |
 | 296452  | v1:6     | ethernet1 | 1236::3 | 935108     |         | 0     |
 | 296453  | v1:6     | ethernet1 | 1236::3 | 935109     |         | 0     |
 | 296454  | v1:6     | ethernet1 | 1236::3 | 935110     |         | 0     |
 | 296455  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 296456  | null     | null      | null    | unlabelled |         | 0     |
 | 296457  | null     | null      | null    | unlabelled |         | 0     |
 | 296458  | null     | null      | null    | unlabelled |         | 0     |
 | 296459  | null     | null      | null    | unlabelled |         | 0     |
 | 296460  | null     | null      | null    | unlabelled |         | 0     |
 | 1035119 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#