here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 19077  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 507982 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 597381 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 651194 | null     | null      | null    | unlabelled |         | 0     |
 | 651195 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 651196 | v1:6     | ethernet1 | 1234::2 | 529216     |         | 0     |
 | 651197 | v1:6     | ethernet1 | 1234::2 | 529217     |         | 0     |
 | 651198 | v1:6     | ethernet1 | 1234::2 | 529218     |         | 0     |
 | 651199 | null     | null      | null    | unlabelled |         | 0     |
 | 651200 | null     | null      | null    | unlabelled |         | 0     |
 | 651201 | null     | null      | null    | unlabelled |         | 0     |
 | 651202 | null     | null      | null    | unlabelled |         | 0     |
 | 651203 | null     | null      | null    | unlabelled |         | 0     |
 | 655494 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 678921 | null     | null      | null    | unlabelled |         | 0     |
 | 678922 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 678923 | v1:4     | ethernet1 | 1.1.1.2 | 52110      |         | 0     |
 | 678924 | v1:4     | ethernet1 | 1.1.1.2 | 52111      |         | 0     |
 | 678925 | v1:4     | ethernet1 | 1.1.1.2 | 52112      |         | 0     |
 | 678926 | null     | null      | null    | unlabelled |         | 0     |
 | 678927 | null     | null      | null    | unlabelled |         | 0     |
 | 678928 | null     | null      | null    | unlabelled |         | 0     |
 | 678929 | null     | null      | null    | unlabelled |         | 0     |
 | 678930 | null     | null      | null    | unlabelled |         | 0     |
 | 720608 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 807846 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 52108  | null     | null      | null    | unlabelled |         | 0     |
 | 52109  | v1:4     | ethernet1 | 1.1.1.1 | 678922     |         | 1280  |
 | 52110  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 52111  | v1:4     | ethernet2 | 1.1.2.3 | 6993       |         | 640   |
 | 52112  | v1:4     | ethernet2 | 1.1.2.3 | 6994       |         | 640   |
 | 52113  | null     | null      | null    | unlabelled |         | 0     |
 | 52114  | null     | null      | null    | unlabelled |         | 0     |
 | 52115  | null     | null      | null    | unlabelled |         | 0     |
 | 52116  | null     | null      | null    | unlabelled |         | 0     |
 | 52117  | null     | null      | null    | unlabelled |         | 0     |
 | 232107 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 258875 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 261823 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 375374 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 529214 | null     | null      | null    | unlabelled |         | 0     |
 | 529215 | v1:6     | ethernet1 | 1234::1 | 651195     |         | 1280  |
 | 529216 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 529217 | v1:6     | ethernet2 | 1235::3 | 613586     |         | 640   |
 | 529218 | v1:6     | ethernet2 | 1235::3 | 613587     |         | 640   |
 | 529219 | null     | null      | null    | unlabelled |         | 0     |
 | 529220 | null     | null      | null    | unlabelled |         | 0     |
 | 529221 | null     | null      | null    | unlabelled |         | 0     |
 | 529222 | null     | null      | null    | unlabelled |         | 0     |
 | 529223 | null     | null      | null    | unlabelled |         | 0     |
 | 685949 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 739797 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 746378 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 967225 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 6990    | null     | null      | null    | unlabelled |         | 0     |
 | 6991    | v1:4     | ethernet1 | 1.1.2.2 | 52109      |         | 640   |
 | 6992    | v1:4     | ethernet1 | 1.1.2.2 | 52110      |         | 640   |
 | 6993    | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 6994    | v1:4     | ethernet2 | 1.1.3.4 | 175784     |         | 1280  |
 | 6995    | null     | null      | null    | unlabelled |         | 0     |
 | 6996    | null     | null      | null    | unlabelled |         | 0     |
 | 6997    | null     | null      | null    | unlabelled |         | 0     |
 | 6998    | null     | null      | null    | unlabelled |         | 0     |
 | 6999    | null     | null      | null    | unlabelled |         | 0     |
 | 23380   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 511779  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 573118  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 613583  | null     | null      | null    | unlabelled |         | 0     |
 | 613584  | v1:6     | ethernet1 | 1235::2 | 529215     |         | 640   |
 | 613585  | v1:6     | ethernet1 | 1235::2 | 529216     |         | 640   |
 | 613586  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 613587  | v1:6     | ethernet2 | 1236::4 | 810205     |         | 1280  |
 | 613588  | null     | null      | null    | unlabelled |         | 0     |
 | 613589  | null     | null      | null    | unlabelled |         | 0     |
 | 613590  | null     | null      | null    | unlabelled |         | 0     |
 | 613591  | null     | null      | null    | unlabelled |         | 0     |
 | 613592  | null     | null      | null    | unlabelled |         | 0     |
 | 827355  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 962198  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 993629  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 1011517 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 1025385 | v1:4     | ethernet1 | 1.1.2.2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 108274 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 175780 | null     | null      | null    | unlabelled |         | 0     |
 | 175781 | v1:4     | ethernet1 | 1.1.3.3 | 6991       |         | 0     |
 | 175782 | v1:4     | ethernet1 | 1.1.3.3 | 6992       |         | 0     |
 | 175783 | v1:4     | ethernet1 | 1.1.3.3 | 6993       |         | 0     |
 | 175784 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 175785 | null     | null      | null    | unlabelled |         | 0     |
 | 175786 | null     | null      | null    | unlabelled |         | 0     |
 | 175787 | null     | null      | null    | unlabelled |         | 0     |
 | 175788 | null     | null      | null    | unlabelled |         | 0     |
 | 175789 | null     | null      | null    | unlabelled |         | 0     |
 | 352172 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 440971 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 646037 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 702956 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 810201 | null     | null      | null    | unlabelled |         | 0     |
 | 810202 | v1:6     | ethernet1 | 1236::3 | 613584     |         | 0     |
 | 810203 | v1:6     | ethernet1 | 1236::3 | 613585     |         | 0     |
 | 810204 | v1:6     | ethernet1 | 1236::3 | 613586     |         | 0     |
 | 810205 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 810206 | null     | null      | null    | unlabelled |         | 0     |
 | 810207 | null     | null      | null    | unlabelled |         | 0     |
 | 810208 | null     | null      | null    | unlabelled |         | 0     |
 | 810209 | null     | null      | null    | unlabelled |         | 0     |
 | 810210 | null     | null      | null    | unlabelled |         | 0     |
 | 925779 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#