here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 69262   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 384226  | null     | null      | null    | unlabelled |         | 0     |
 | 384227  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 384228  | v1:4     | ethernet1 | 1.1.1.2 | 137939     |         | 0     |
 | 384229  | v1:4     | ethernet1 | 1.1.1.2 | 137940     |         | 0     |
 | 384230  | v1:4     | ethernet1 | 1.1.1.2 | 137941     |         | 0     |
 | 384231  | null     | null      | null    | unlabelled |         | 0     |
 | 384232  | null     | null      | null    | unlabelled |         | 0     |
 | 384233  | null     | null      | null    | unlabelled |         | 0     |
 | 384234  | null     | null      | null    | unlabelled |         | 0     |
 | 384235  | null     | null      | null    | unlabelled |         | 0     |
 | 416756  | null     | null      | null    | unlabelled |         | 0     |
 | 416757  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 416758  | v1:6     | ethernet1 | 1234::2 | 288204     |         | 0     |
 | 416759  | v1:6     | ethernet1 | 1234::2 | 288205     |         | 0     |
 | 416760  | v1:6     | ethernet1 | 1234::2 | 288206     |         | 0     |
 | 416761  | null     | null      | null    | unlabelled |         | 0     |
 | 416762  | null     | null      | null    | unlabelled |         | 0     |
 | 416763  | null     | null      | null    | unlabelled |         | 0     |
 | 416764  | null     | null      | null    | unlabelled |         | 0     |
 | 416765  | null     | null      | null    | unlabelled |         | 0     |
 | 502520  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 535826  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 620626  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 646170  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 665640  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 681093  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 826142  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 883313  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1029379 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 10661  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 30099  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 89125  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 89129  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 137937 | null     | null      | null    | unlabelled |         | 0     |
 | 137938 | v1:4     | ethernet1 | 1.1.1.1 | 384227     |         | 1280  |
 | 137939 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 137940 | v1:4     | ethernet2 | 1.1.2.3 | 102144     |         | 640   |
 | 137941 | v1:4     | ethernet2 | 1.1.2.3 | 102145     |         | 640   |
 | 137942 | null     | null      | null    | unlabelled |         | 0     |
 | 137943 | null     | null      | null    | unlabelled |         | 0     |
 | 137944 | null     | null      | null    | unlabelled |         | 0     |
 | 137945 | null     | null      | null    | unlabelled |         | 0     |
 | 137946 | null     | null      | null    | unlabelled |         | 0     |
 | 202641 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 288202 | null     | null      | null    | unlabelled |         | 0     |
 | 288203 | v1:6     | ethernet1 | 1234::1 | 416757     |         | 1280  |
 | 288204 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 288205 | v1:6     | ethernet2 | 1235::3 | 168714     |         | 640   |
 | 288206 | v1:6     | ethernet2 | 1235::3 | 168715     |         | 640   |
 | 288207 | null     | null      | null    | unlabelled |         | 0     |
 | 288208 | null     | null      | null    | unlabelled |         | 0     |
 | 288209 | null     | null      | null    | unlabelled |         | 0     |
 | 288210 | null     | null      | null    | unlabelled |         | 0     |
 | 288211 | null     | null      | null    | unlabelled |         | 0     |
 | 303283 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 436682 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 497459 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 512104 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 723896 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 852319 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 902398 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 30102  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 40296  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 102141 | null     | null      | null    | unlabelled |         | 0     |
 | 102142 | v1:4     | ethernet1 | 1.1.2.2 | 137938     |         | 640   |
 | 102143 | v1:4     | ethernet1 | 1.1.2.2 | 137939     |         | 640   |
 | 102144 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 102145 | v1:4     | ethernet2 | 1.1.3.4 | 735446     |         | 1280  |
 | 102146 | null     | null      | null    | unlabelled |         | 0     |
 | 102147 | null     | null      | null    | unlabelled |         | 0     |
 | 102148 | null     | null      | null    | unlabelled |         | 0     |
 | 102149 | null     | null      | null    | unlabelled |         | 0     |
 | 102150 | null     | null      | null    | unlabelled |         | 0     |
 | 168711 | null     | null      | null    | unlabelled |         | 0     |
 | 168712 | v1:6     | ethernet1 | 1235::2 | 288203     |         | 640   |
 | 168713 | v1:6     | ethernet1 | 1235::2 | 288204     |         | 640   |
 | 168714 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 168715 | v1:6     | ethernet2 | 1236::4 | 93769      |         | 1280  |
 | 168716 | null     | null      | null    | unlabelled |         | 0     |
 | 168717 | null     | null      | null    | unlabelled |         | 0     |
 | 168718 | null     | null      | null    | unlabelled |         | 0     |
 | 168719 | null     | null      | null    | unlabelled |         | 0     |
 | 168720 | null     | null      | null    | unlabelled |         | 0     |
 | 172626 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 239526 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 375201 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 464857 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 491145 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 541744 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 649073 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 662610 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 802467 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 834874 | v1:6     | ethernet2 | 1236::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 33909  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 93765  | null     | null      | null    | unlabelled |         | 0     |
 | 93766  | v1:6     | ethernet1 | 1236::3 | 168712     |         | 0     |
 | 93767  | v1:6     | ethernet1 | 1236::3 | 168713     |         | 0     |
 | 93768  | v1:6     | ethernet1 | 1236::3 | 168714     |         | 0     |
 | 93769  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 93770  | null     | null      | null    | unlabelled |         | 0     |
 | 93771  | null     | null      | null    | unlabelled |         | 0     |
 | 93772  | null     | null      | null    | unlabelled |         | 0     |
 | 93773  | null     | null      | null    | unlabelled |         | 0     |
 | 93774  | null     | null      | null    | unlabelled |         | 0     |
 | 163534 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 262577 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 289124 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 397054 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 503958 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 676727 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 694919 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 726346 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 735442 | null     | null      | null    | unlabelled |         | 0     |
 | 735443 | v1:4     | ethernet1 | 1.1.3.3 | 102142     |         | 0     |
 | 735444 | v1:4     | ethernet1 | 1.1.3.3 | 102143     |         | 0     |
 | 735445 | v1:4     | ethernet1 | 1.1.3.3 | 102144     |         | 0     |
 | 735446 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 735447 | null     | null      | null    | unlabelled |         | 0     |
 | 735448 | null     | null      | null    | unlabelled |         | 0     |
 | 735449 | null     | null      | null    | unlabelled |         | 0     |
 | 735450 | null     | null      | null    | unlabelled |         | 0     |
 | 735451 | null     | null      | null    | unlabelled |         | 0     |
 | 830104 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#