here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 7937   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 8873   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 89486  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 136214 | null     | null      | null    | unlabelled |         | 0     |
 | 136215 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 136216 | v1:6     | ethernet1 | 1234::2 | 200174     |         | 0     |
 | 136217 | v1:6     | ethernet1 | 1234::2 | 200175     |         | 0     |
 | 136218 | v1:6     | ethernet1 | 1234::2 | 200176     |         | 0     |
 | 136219 | null     | null      | null    | unlabelled |         | 0     |
 | 136220 | null     | null      | null    | unlabelled |         | 0     |
 | 136221 | null     | null      | null    | unlabelled |         | 0     |
 | 136222 | null     | null      | null    | unlabelled |         | 0     |
 | 136223 | null     | null      | null    | unlabelled |         | 0     |
 | 232616 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 419608 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 945017 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 975480 | null     | null      | null    | unlabelled |         | 0     |
 | 975481 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 975482 | v1:4     | ethernet1 | 1.1.1.2 | 435956     |         | 0     |
 | 975483 | v1:4     | ethernet1 | 1.1.1.2 | 435957     |         | 0     |
 | 975484 | v1:4     | ethernet1 | 1.1.1.2 | 435958     |         | 0     |
 | 975485 | null     | null      | null    | unlabelled |         | 0     |
 | 975486 | null     | null      | null    | unlabelled |         | 0     |
 | 975487 | null     | null      | null    | unlabelled |         | 0     |
 | 975488 | null     | null      | null    | unlabelled |         | 0     |
 | 975489 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 41690  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 160191 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 200172 | null     | null      | null    | unlabelled |         | 0     |
 | 200173 | v1:6     | ethernet1 | 1234::1 | 136215     |         | 1280  |
 | 200174 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 200175 | v1:6     | ethernet2 | 1235::3 | 163877     |         | 640   |
 | 200176 | v1:6     | ethernet2 | 1235::3 | 163878     |         | 640   |
 | 200177 | null     | null      | null    | unlabelled |         | 0     |
 | 200178 | null     | null      | null    | unlabelled |         | 0     |
 | 200179 | null     | null      | null    | unlabelled |         | 0     |
 | 200180 | null     | null      | null    | unlabelled |         | 0     |
 | 200181 | null     | null      | null    | unlabelled |         | 0     |
 | 216402 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 227872 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 292342 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 344152 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 435954 | null     | null      | null    | unlabelled |         | 0     |
 | 435955 | v1:4     | ethernet1 | 1.1.1.1 | 975481     |         | 1280  |
 | 435956 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 435957 | v1:4     | ethernet2 | 1.1.2.3 | 1025864    |         | 640   |
 | 435958 | v1:4     | ethernet2 | 1.1.2.3 | 1025865    |         | 640   |
 | 435959 | null     | null      | null    | unlabelled |         | 0     |
 | 435960 | null     | null      | null    | unlabelled |         | 0     |
 | 435961 | null     | null      | null    | unlabelled |         | 0     |
 | 435962 | null     | null      | null    | unlabelled |         | 0     |
 | 435963 | null     | null      | null    | unlabelled |         | 0     |
 | 470345 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 975866 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 163874  | null     | null      | null    | unlabelled |         | 0     |
 | 163875  | v1:6     | ethernet1 | 1235::2 | 200173     |         | 640   |
 | 163876  | v1:6     | ethernet1 | 1235::2 | 200174     |         | 640   |
 | 163877  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 163878  | v1:6     | ethernet2 | 1236::4 | 494490     |         | 1280  |
 | 163879  | null     | null      | null    | unlabelled |         | 0     |
 | 163880  | null     | null      | null    | unlabelled |         | 0     |
 | 163881  | null     | null      | null    | unlabelled |         | 0     |
 | 163882  | null     | null      | null    | unlabelled |         | 0     |
 | 163883  | null     | null      | null    | unlabelled |         | 0     |
 | 183724  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 229771  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 446644  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 465598  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 465672  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 467059  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 610013  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 989794  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 1025861 | null     | null      | null    | unlabelled |         | 0     |
 | 1025862 | v1:4     | ethernet1 | 1.1.2.2 | 435955     |         | 640   |
 | 1025863 | v1:4     | ethernet1 | 1.1.2.2 | 435956     |         | 640   |
 | 1025864 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1025865 | v1:4     | ethernet2 | 1.1.3.4 | 174573     |         | 1280  |
 | 1025866 | null     | null      | null    | unlabelled |         | 0     |
 | 1025867 | null     | null      | null    | unlabelled |         | 0     |
 | 1025868 | null     | null      | null    | unlabelled |         | 0     |
 | 1025869 | null     | null      | null    | unlabelled |         | 0     |
 | 1025870 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 48522  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 174569 | null     | null      | null    | unlabelled |         | 0     |
 | 174570 | v1:4     | ethernet1 | 1.1.3.3 | 1025862    |         | 0     |
 | 174571 | v1:4     | ethernet1 | 1.1.3.3 | 1025863    |         | 0     |
 | 174572 | v1:4     | ethernet1 | 1.1.3.3 | 1025864    |         | 0     |
 | 174573 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 174574 | null     | null      | null    | unlabelled |         | 0     |
 | 174575 | null     | null      | null    | unlabelled |         | 0     |
 | 174576 | null     | null      | null    | unlabelled |         | 0     |
 | 174577 | null     | null      | null    | unlabelled |         | 0     |
 | 174578 | null     | null      | null    | unlabelled |         | 0     |
 | 221228 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 360683 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 494486 | null     | null      | null    | unlabelled |         | 0     |
 | 494487 | v1:6     | ethernet1 | 1236::3 | 163875     |         | 0     |
 | 494488 | v1:6     | ethernet1 | 1236::3 | 163876     |         | 0     |
 | 494489 | v1:6     | ethernet1 | 1236::3 | 163877     |         | 0     |
 | 494490 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 494491 | null     | null      | null    | unlabelled |         | 0     |
 | 494492 | null     | null      | null    | unlabelled |         | 0     |
 | 494493 | null     | null      | null    | unlabelled |         | 0     |
 | 494494 | null     | null      | null    | unlabelled |         | 0     |
 | 494495 | null     | null      | null    | unlabelled |         | 0     |
 | 692669 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 888120 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 951739 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#