here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 245533  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 347945  | null     | null      | null    | unlabelled |         | 0     |
 | 347946  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 347947  | v1:6     | ethernet1 | 1234::2 | 323314     |         | 0     |
 | 347948  | v1:6     | ethernet1 | 1234::2 | 323315     |         | 0     |
 | 347949  | v1:6     | ethernet1 | 1234::2 | 323316     |         | 0     |
 | 347950  | null     | null      | null    | unlabelled |         | 0     |
 | 347951  | null     | null      | null    | unlabelled |         | 0     |
 | 347952  | null     | null      | null    | unlabelled |         | 0     |
 | 347953  | null     | null      | null    | unlabelled |         | 0     |
 | 347954  | null     | null      | null    | unlabelled |         | 0     |
 | 466247  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 672555  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 781717  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 830091  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 892972  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1032230 | null     | null      | null    | unlabelled |         | 0     |
 | 1032231 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1032232 | v1:4     | ethernet1 | 1.1.1.2 | 385398     |         | 0     |
 | 1032233 | v1:4     | ethernet1 | 1.1.1.2 | 385399     |         | 0     |
 | 1032234 | v1:4     | ethernet1 | 1.1.1.2 | 385400     |         | 0     |
 | 1032235 | null     | null      | null    | unlabelled |         | 0     |
 | 1032236 | null     | null      | null    | unlabelled |         | 0     |
 | 1032237 | null     | null      | null    | unlabelled |         | 0     |
 | 1032238 | null     | null      | null    | unlabelled |         | 0     |
 | 1032239 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 177186  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 268829  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 270154  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 286722  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 323312  | null     | null      | null    | unlabelled |         | 0     |
 | 323313  | v1:6     | ethernet1 | 1234::1 | 347946     |         | 1280  |
 | 323314  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 323315  | v1:6     | ethernet2 | 1235::3 | 432165     |         | 640   |
 | 323316  | v1:6     | ethernet2 | 1235::3 | 432166     |         | 640   |
 | 323317  | null     | null      | null    | unlabelled |         | 0     |
 | 323318  | null     | null      | null    | unlabelled |         | 0     |
 | 323319  | null     | null      | null    | unlabelled |         | 0     |
 | 323320  | null     | null      | null    | unlabelled |         | 0     |
 | 323321  | null     | null      | null    | unlabelled |         | 0     |
 | 361004  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 385396  | null     | null      | null    | unlabelled |         | 0     |
 | 385397  | v1:4     | ethernet1 | 1.1.1.1 | 1032231    |         | 1280  |
 | 385398  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 385399  | v1:4     | ethernet2 | 1.1.2.3 | 161537     |         | 640   |
 | 385400  | v1:4     | ethernet2 | 1.1.2.3 | 161538     |         | 640   |
 | 385401  | null     | null      | null    | unlabelled |         | 0     |
 | 385402  | null     | null      | null    | unlabelled |         | 0     |
 | 385403  | null     | null      | null    | unlabelled |         | 0     |
 | 385404  | null     | null      | null    | unlabelled |         | 0     |
 | 385405  | null     | null      | null    | unlabelled |         | 0     |
 | 706640  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 759930  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1040969 | v1:4     | ethernet1 | 1.1.1.1 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 161534 | null     | null      | null    | unlabelled |         | 0     |
 | 161535 | v1:4     | ethernet1 | 1.1.2.2 | 385397     |         | 640   |
 | 161536 | v1:4     | ethernet1 | 1.1.2.2 | 385398     |         | 640   |
 | 161537 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 161538 | v1:4     | ethernet2 | 1.1.3.4 | 698023     |         | 1280  |
 | 161539 | null     | null      | null    | unlabelled |         | 0     |
 | 161540 | null     | null      | null    | unlabelled |         | 0     |
 | 161541 | null     | null      | null    | unlabelled |         | 0     |
 | 161542 | null     | null      | null    | unlabelled |         | 0     |
 | 161543 | null     | null      | null    | unlabelled |         | 0     |
 | 169889 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 333896 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 432162 | null     | null      | null    | unlabelled |         | 0     |
 | 432163 | v1:6     | ethernet1 | 1235::2 | 323313     |         | 640   |
 | 432164 | v1:6     | ethernet1 | 1235::2 | 323314     |         | 640   |
 | 432165 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 432166 | v1:6     | ethernet2 | 1236::4 | 939368     |         | 1280  |
 | 432167 | null     | null      | null    | unlabelled |         | 0     |
 | 432168 | null     | null      | null    | unlabelled |         | 0     |
 | 432169 | null     | null      | null    | unlabelled |         | 0     |
 | 432170 | null     | null      | null    | unlabelled |         | 0     |
 | 432171 | null     | null      | null    | unlabelled |         | 0     |
 | 520900 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 548425 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 549471 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 728309 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 766001 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 895651 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 316144 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 582746 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 647049 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 650381 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 665908 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 698019 | null     | null      | null    | unlabelled |         | 0     |
 | 698020 | v1:4     | ethernet1 | 1.1.3.3 | 161535     |         | 0     |
 | 698021 | v1:4     | ethernet1 | 1.1.3.3 | 161536     |         | 0     |
 | 698022 | v1:4     | ethernet1 | 1.1.3.3 | 161537     |         | 0     |
 | 698023 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 698024 | null     | null      | null    | unlabelled |         | 0     |
 | 698025 | null     | null      | null    | unlabelled |         | 0     |
 | 698026 | null     | null      | null    | unlabelled |         | 0     |
 | 698027 | null     | null      | null    | unlabelled |         | 0     |
 | 698028 | null     | null      | null    | unlabelled |         | 0     |
 | 913996 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 939364 | null     | null      | null    | unlabelled |         | 0     |
 | 939365 | v1:6     | ethernet1 | 1236::3 | 432163     |         | 0     |
 | 939366 | v1:6     | ethernet1 | 1236::3 | 432164     |         | 0     |
 | 939367 | v1:6     | ethernet1 | 1236::3 | 432165     |         | 0     |
 | 939368 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 939369 | null     | null      | null    | unlabelled |         | 0     |
 | 939370 | null     | null      | null    | unlabelled |         | 0     |
 | 939371 | null     | null      | null    | unlabelled |         | 0     |
 | 939372 | null     | null      | null    | unlabelled |         | 0     |
 | 939373 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#