here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 47173  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 183745 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 202273 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 375910 | null     | null      | null    | unlabelled |         | 0     |
 | 375911 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 375912 | v1:6     | ethernet1 | 1234::2 | 638254     |         | 0     |
 | 375913 | v1:6     | ethernet1 | 1234::2 | 638255     |         | 0     |
 | 375914 | v1:6     | ethernet1 | 1234::2 | 638256     |         | 0     |
 | 375915 | null     | null      | null    | unlabelled |         | 0     |
 | 375916 | null     | null      | null    | unlabelled |         | 0     |
 | 375917 | null     | null      | null    | unlabelled |         | 0     |
 | 375918 | null     | null      | null    | unlabelled |         | 0     |
 | 375919 | null     | null      | null    | unlabelled |         | 0     |
 | 464289 | null     | null      | null    | unlabelled |         | 0     |
 | 464290 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 464291 | v1:4     | ethernet1 | 1.1.1.2 | 400264     |         | 0     |
 | 464292 | v1:4     | ethernet1 | 1.1.1.2 | 400265     |         | 0     |
 | 464293 | v1:4     | ethernet1 | 1.1.1.2 | 400266     |         | 0     |
 | 464294 | null     | null      | null    | unlabelled |         | 0     |
 | 464295 | null     | null      | null    | unlabelled |         | 0     |
 | 464296 | null     | null      | null    | unlabelled |         | 0     |
 | 464297 | null     | null      | null    | unlabelled |         | 0     |
 | 464298 | null     | null      | null    | unlabelled |         | 0     |
 | 647245 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 651206 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 801203 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 57207  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 154393 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 193398 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 200442 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 304367 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 400262 | null     | null      | null    | unlabelled |         | 0     |
 | 400263 | v1:4     | ethernet1 | 1.1.1.1 | 464290     |         | 1280  |
 | 400264 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 400265 | v1:4     | ethernet2 | 1.1.2.3 | 812665     |         | 640   |
 | 400266 | v1:4     | ethernet2 | 1.1.2.3 | 812666     |         | 640   |
 | 400267 | null     | null      | null    | unlabelled |         | 0     |
 | 400268 | null     | null      | null    | unlabelled |         | 0     |
 | 400269 | null     | null      | null    | unlabelled |         | 0     |
 | 400270 | null     | null      | null    | unlabelled |         | 0     |
 | 400271 | null     | null      | null    | unlabelled |         | 0     |
 | 455124 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 638252 | null     | null      | null    | unlabelled |         | 0     |
 | 638253 | v1:6     | ethernet1 | 1234::1 | 375911     |         | 1280  |
 | 638254 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 638255 | v1:6     | ethernet2 | 1235::3 | 256051     |         | 640   |
 | 638256 | v1:6     | ethernet2 | 1235::3 | 256052     |         | 640   |
 | 638257 | null     | null      | null    | unlabelled |         | 0     |
 | 638258 | null     | null      | null    | unlabelled |         | 0     |
 | 638259 | null     | null      | null    | unlabelled |         | 0     |
 | 638260 | null     | null      | null    | unlabelled |         | 0     |
 | 638261 | null     | null      | null    | unlabelled |         | 0     |
 | 802743 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 837660 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 261    | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 92859  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 97814  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 256048 | null     | null      | null    | unlabelled |         | 0     |
 | 256049 | v1:6     | ethernet1 | 1235::2 | 638253     |         | 640   |
 | 256050 | v1:6     | ethernet1 | 1235::2 | 638254     |         | 640   |
 | 256051 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 256052 | v1:6     | ethernet2 | 1236::4 | 687969     |         | 1280  |
 | 256053 | null     | null      | null    | unlabelled |         | 0     |
 | 256054 | null     | null      | null    | unlabelled |         | 0     |
 | 256055 | null     | null      | null    | unlabelled |         | 0     |
 | 256056 | null     | null      | null    | unlabelled |         | 0     |
 | 256057 | null     | null      | null    | unlabelled |         | 0     |
 | 424062 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 539396 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 782122 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 812662 | null     | null      | null    | unlabelled |         | 0     |
 | 812663 | v1:4     | ethernet1 | 1.1.2.2 | 400263     |         | 640   |
 | 812664 | v1:4     | ethernet1 | 1.1.2.2 | 400264     |         | 640   |
 | 812665 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 812666 | v1:4     | ethernet2 | 1.1.3.4 | 126943     |         | 1280  |
 | 812667 | null     | null      | null    | unlabelled |         | 0     |
 | 812668 | null     | null      | null    | unlabelled |         | 0     |
 | 812669 | null     | null      | null    | unlabelled |         | 0     |
 | 812670 | null     | null      | null    | unlabelled |         | 0     |
 | 812671 | null     | null      | null    | unlabelled |         | 0     |
 | 946056 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 979815 | v1:6     | ethernet1 | 1235::2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 101614 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 126939 | null     | null      | null    | unlabelled |         | 0     |
 | 126940 | v1:4     | ethernet1 | 1.1.3.3 | 812663     |         | 0     |
 | 126941 | v1:4     | ethernet1 | 1.1.3.3 | 812664     |         | 0     |
 | 126942 | v1:4     | ethernet1 | 1.1.3.3 | 812665     |         | 0     |
 | 126943 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 126944 | null     | null      | null    | unlabelled |         | 0     |
 | 126945 | null     | null      | null    | unlabelled |         | 0     |
 | 126946 | null     | null      | null    | unlabelled |         | 0     |
 | 126947 | null     | null      | null    | unlabelled |         | 0     |
 | 126948 | null     | null      | null    | unlabelled |         | 0     |
 | 164977 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 402694 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 594720 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 648824 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 687965 | null     | null      | null    | unlabelled |         | 0     |
 | 687966 | v1:6     | ethernet1 | 1236::3 | 256049     |         | 0     |
 | 687967 | v1:6     | ethernet1 | 1236::3 | 256050     |         | 0     |
 | 687968 | v1:6     | ethernet1 | 1236::3 | 256051     |         | 0     |
 | 687969 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 687970 | null     | null      | null    | unlabelled |         | 0     |
 | 687971 | null     | null      | null    | unlabelled |         | 0     |
 | 687972 | null     | null      | null    | unlabelled |         | 0     |
 | 687973 | null     | null      | null    | unlabelled |         | 0     |
 | 687974 | null     | null      | null    | unlabelled |         | 0     |
 | 889382 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#