here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 30461   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 142284  | null     | null      | null    | unlabelled |         | 0     |
 | 142285  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 142286  | v1:6     | ethernet1 | 1234::2 | 550790     |         | 0     |
 | 142287  | v1:6     | ethernet1 | 1234::2 | 550791     |         | 0     |
 | 142288  | v1:6     | ethernet1 | 1234::2 | 550792     |         | 0     |
 | 142289  | null     | null      | null    | unlabelled |         | 0     |
 | 142290  | null     | null      | null    | unlabelled |         | 0     |
 | 142291  | null     | null      | null    | unlabelled |         | 0     |
 | 142292  | null     | null      | null    | unlabelled |         | 0     |
 | 142293  | null     | null      | null    | unlabelled |         | 0     |
 | 194047  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 266163  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 322333  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 343807  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 419078  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 507820  | null     | null      | null    | unlabelled |         | 0     |
 | 507821  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 507822  | v1:4     | ethernet1 | 1.1.1.2 | 685795     |         | 0     |
 | 507823  | v1:4     | ethernet1 | 1.1.1.2 | 685796     |         | 0     |
 | 507824  | v1:4     | ethernet1 | 1.1.1.2 | 685797     |         | 0     |
 | 507825  | null     | null      | null    | unlabelled |         | 0     |
 | 507826  | null     | null      | null    | unlabelled |         | 0     |
 | 507827  | null     | null      | null    | unlabelled |         | 0     |
 | 507828  | null     | null      | null    | unlabelled |         | 0     |
 | 507829  | null     | null      | null    | unlabelled |         | 0     |
 | 681519  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 759048  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 1022810 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1029736 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 27734   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 147761  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 183114  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 328875  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 453274  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 525240  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 538118  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 550788  | null     | null      | null    | unlabelled |         | 0     |
 | 550789  | v1:6     | ethernet1 | 1234::1 | 142285     |         | 1280  |
 | 550790  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 550791  | v1:6     | ethernet2 | 1235::3 | 506212     |         | 640   |
 | 550792  | v1:6     | ethernet2 | 1235::3 | 506213     |         | 640   |
 | 550793  | null     | null      | null    | unlabelled |         | 0     |
 | 550794  | null     | null      | null    | unlabelled |         | 0     |
 | 550795  | null     | null      | null    | unlabelled |         | 0     |
 | 550796  | null     | null      | null    | unlabelled |         | 0     |
 | 550797  | null     | null      | null    | unlabelled |         | 0     |
 | 571352  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 579779  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 685793  | null     | null      | null    | unlabelled |         | 0     |
 | 685794  | v1:4     | ethernet1 | 1.1.1.1 | 507821     |         | 1280  |
 | 685795  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 685796  | v1:4     | ethernet2 | 1.1.2.3 | 759289     |         | 640   |
 | 685797  | v1:4     | ethernet2 | 1.1.2.3 | 759290     |         | 640   |
 | 685798  | null     | null      | null    | unlabelled |         | 0     |
 | 685799  | null     | null      | null    | unlabelled |         | 0     |
 | 685800  | null     | null      | null    | unlabelled |         | 0     |
 | 685801  | null     | null      | null    | unlabelled |         | 0     |
 | 685802  | null     | null      | null    | unlabelled |         | 0     |
 | 978447  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 991232  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1028656 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 41906  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 87945  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 102957 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 114151 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 142633 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 159412 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 167351 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 204429 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 327439 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 342435 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 506209 | null     | null      | null    | unlabelled |         | 0     |
 | 506210 | v1:6     | ethernet1 | 1235::2 | 550789     |         | 640   |
 | 506211 | v1:6     | ethernet1 | 1235::2 | 550790     |         | 640   |
 | 506212 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 506213 | v1:6     | ethernet2 | 1236::4 | 881521     |         | 1280  |
 | 506214 | null     | null      | null    | unlabelled |         | 0     |
 | 506215 | null     | null      | null    | unlabelled |         | 0     |
 | 506216 | null     | null      | null    | unlabelled |         | 0     |
 | 506217 | null     | null      | null    | unlabelled |         | 0     |
 | 506218 | null     | null      | null    | unlabelled |         | 0     |
 | 583896 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 759286 | null     | null      | null    | unlabelled |         | 0     |
 | 759287 | v1:4     | ethernet1 | 1.1.2.2 | 685794     |         | 640   |
 | 759288 | v1:4     | ethernet1 | 1.1.2.2 | 685795     |         | 640   |
 | 759289 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 759290 | v1:4     | ethernet2 | 1.1.3.4 | 473611     |         | 1280  |
 | 759291 | null     | null      | null    | unlabelled |         | 0     |
 | 759292 | null     | null      | null    | unlabelled |         | 0     |
 | 759293 | null     | null      | null    | unlabelled |         | 0     |
 | 759294 | null     | null      | null    | unlabelled |         | 0     |
 | 759295 | null     | null      | null    | unlabelled |         | 0     |
 | 997897 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 498    | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 362934 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 389684 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 393776 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 411822 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 473607 | null     | null      | null    | unlabelled |         | 0     |
 | 473608 | v1:4     | ethernet1 | 1.1.3.3 | 759287     |         | 0     |
 | 473609 | v1:4     | ethernet1 | 1.1.3.3 | 759288     |         | 0     |
 | 473610 | v1:4     | ethernet1 | 1.1.3.3 | 759289     |         | 0     |
 | 473611 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 473612 | null     | null      | null    | unlabelled |         | 0     |
 | 473613 | null     | null      | null    | unlabelled |         | 0     |
 | 473614 | null     | null      | null    | unlabelled |         | 0     |
 | 473615 | null     | null      | null    | unlabelled |         | 0     |
 | 473616 | null     | null      | null    | unlabelled |         | 0     |
 | 508250 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 622457 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 699173 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 739973 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 881517 | null     | null      | null    | unlabelled |         | 0     |
 | 881518 | v1:6     | ethernet1 | 1236::3 | 506210     |         | 0     |
 | 881519 | v1:6     | ethernet1 | 1236::3 | 506211     |         | 0     |
 | 881520 | v1:6     | ethernet1 | 1236::3 | 506212     |         | 0     |
 | 881521 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 881522 | null     | null      | null    | unlabelled |         | 0     |
 | 881523 | null     | null      | null    | unlabelled |         | 0     |
 | 881524 | null     | null      | null    | unlabelled |         | 0     |
 | 881525 | null     | null      | null    | unlabelled |         | 0     |
 | 881526 | null     | null      | null    | unlabelled |         | 0     |
 | 990180 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#