here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 72626  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 268570 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 311150 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 342664 | null     | null      | null    | unlabelled |         | 0     |
 | 342665 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 342666 | v1:6     | ethernet1 | 1234::2 | 558312     |         | 0     |
 | 342667 | v1:6     | ethernet1 | 1234::2 | 558313     |         | 0     |
 | 342668 | v1:6     | ethernet1 | 1234::2 | 558314     |         | 0     |
 | 342669 | null     | null      | null    | unlabelled |         | 0     |
 | 342670 | null     | null      | null    | unlabelled |         | 0     |
 | 342671 | null     | null      | null    | unlabelled |         | 0     |
 | 342672 | null     | null      | null    | unlabelled |         | 0     |
 | 342673 | null     | null      | null    | unlabelled |         | 0     |
 | 376083 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 382619 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 617633 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 639778 | null     | null      | null    | unlabelled |         | 0     |
 | 639779 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 639780 | v1:4     | ethernet1 | 1.1.1.2 | 160226     |         | 0     |
 | 639781 | v1:4     | ethernet1 | 1.1.1.2 | 160227     |         | 0     |
 | 639782 | v1:4     | ethernet1 | 1.1.1.2 | 160228     |         | 0     |
 | 639783 | null     | null      | null    | unlabelled |         | 0     |
 | 639784 | null     | null      | null    | unlabelled |         | 0     |
 | 639785 | null     | null      | null    | unlabelled |         | 0     |
 | 639786 | null     | null      | null    | unlabelled |         | 0     |
 | 639787 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 115986  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 160224  | null     | null      | null    | unlabelled |         | 0     |
 | 160225  | v1:4     | ethernet1 | 1.1.1.1 | 639779     |         | 1280  |
 | 160226  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 160227  | v1:4     | ethernet2 | 1.1.2.3 | 99099      |         | 640   |
 | 160228  | v1:4     | ethernet2 | 1.1.2.3 | 99100      |         | 640   |
 | 160229  | null     | null      | null    | unlabelled |         | 0     |
 | 160230  | null     | null      | null    | unlabelled |         | 0     |
 | 160231  | null     | null      | null    | unlabelled |         | 0     |
 | 160232  | null     | null      | null    | unlabelled |         | 0     |
 | 160233  | null     | null      | null    | unlabelled |         | 0     |
 | 429500  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 544837  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 558310  | null     | null      | null    | unlabelled |         | 0     |
 | 558311  | v1:6     | ethernet1 | 1234::1 | 342665     |         | 1280  |
 | 558312  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 558313  | v1:6     | ethernet2 | 1235::3 | 459141     |         | 640   |
 | 558314  | v1:6     | ethernet2 | 1235::3 | 459142     |         | 640   |
 | 558315  | null     | null      | null    | unlabelled |         | 0     |
 | 558316  | null     | null      | null    | unlabelled |         | 0     |
 | 558317  | null     | null      | null    | unlabelled |         | 0     |
 | 558318  | null     | null      | null    | unlabelled |         | 0     |
 | 558319  | null     | null      | null    | unlabelled |         | 0     |
 | 647515  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 710170  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 773411  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 886673  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 1035822 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 31369  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 39356  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 99096  | null     | null      | null    | unlabelled |         | 0     |
 | 99097  | v1:4     | ethernet1 | 1.1.2.2 | 160225     |         | 640   |
 | 99098  | v1:4     | ethernet1 | 1.1.2.2 | 160226     |         | 640   |
 | 99099  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 99100  | v1:4     | ethernet2 | 1.1.3.4 | 748268     |         | 1280  |
 | 99101  | null     | null      | null    | unlabelled |         | 0     |
 | 99102  | null     | null      | null    | unlabelled |         | 0     |
 | 99103  | null     | null      | null    | unlabelled |         | 0     |
 | 99104  | null     | null      | null    | unlabelled |         | 0     |
 | 99105  | null     | null      | null    | unlabelled |         | 0     |
 | 105826 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 257305 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 437304 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 450159 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 459138 | null     | null      | null    | unlabelled |         | 0     |
 | 459139 | v1:6     | ethernet1 | 1235::2 | 558311     |         | 640   |
 | 459140 | v1:6     | ethernet1 | 1235::2 | 558312     |         | 640   |
 | 459141 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 459142 | v1:6     | ethernet2 | 1236::4 | 136878     |         | 1280  |
 | 459143 | null     | null      | null    | unlabelled |         | 0     |
 | 459144 | null     | null      | null    | unlabelled |         | 0     |
 | 459145 | null     | null      | null    | unlabelled |         | 0     |
 | 459146 | null     | null      | null    | unlabelled |         | 0     |
 | 459147 | null     | null      | null    | unlabelled |         | 0     |
 | 811661 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 904501 | tester:4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 33217  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 136874 | null     | null      | null    | unlabelled |         | 0     |
 | 136875 | v1:6     | ethernet1 | 1236::3 | 459139     |         | 0     |
 | 136876 | v1:6     | ethernet1 | 1236::3 | 459140     |         | 0     |
 | 136877 | v1:6     | ethernet1 | 1236::3 | 459141     |         | 0     |
 | 136878 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 136879 | null     | null      | null    | unlabelled |         | 0     |
 | 136880 | null     | null      | null    | unlabelled |         | 0     |
 | 136881 | null     | null      | null    | unlabelled |         | 0     |
 | 136882 | null     | null      | null    | unlabelled |         | 0     |
 | 136883 | null     | null      | null    | unlabelled |         | 0     |
 | 172754 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 432885 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 585101 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 607998 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 748264 | null     | null      | null    | unlabelled |         | 0     |
 | 748265 | v1:4     | ethernet1 | 1.1.3.3 | 99097      |         | 0     |
 | 748266 | v1:4     | ethernet1 | 1.1.3.3 | 99098      |         | 0     |
 | 748267 | v1:4     | ethernet1 | 1.1.3.3 | 99099      |         | 0     |
 | 748268 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 748269 | null     | null      | null    | unlabelled |         | 0     |
 | 748270 | null     | null      | null    | unlabelled |         | 0     |
 | 748271 | null     | null      | null    | unlabelled |         | 0     |
 | 748272 | null     | null      | null    | unlabelled |         | 0     |
 | 748273 | null     | null      | null    | unlabelled |         | 0     |
 | 898779 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#