here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 89841   | null     | null      | null    | unlabelled |         | 0     |
 | 89842   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 89843   | v1:6     | ethernet1 | 1234::2 | 309099     |         | 0     |
 | 89844   | v1:6     | ethernet1 | 1234::2 | 309100     |         | 0     |
 | 89845   | v1:6     | ethernet1 | 1234::2 | 309101     |         | 0     |
 | 89846   | null     | null      | null    | unlabelled |         | 0     |
 | 89847   | null     | null      | null    | unlabelled |         | 0     |
 | 89848   | null     | null      | null    | unlabelled |         | 0     |
 | 89849   | null     | null      | null    | unlabelled |         | 0     |
 | 89850   | null     | null      | null    | unlabelled |         | 0     |
 | 96849   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 225922  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 240811  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 287558  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 412794  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 533808  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 561868  | null     | null      | null    | unlabelled |         | 0     |
 | 561869  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 561870  | v1:4     | ethernet1 | 1.1.1.2 | 510191     |         | 0     |
 | 561871  | v1:4     | ethernet1 | 1.1.1.2 | 510192     |         | 0     |
 | 561872  | v1:4     | ethernet1 | 1.1.1.2 | 510193     |         | 0     |
 | 561873  | null     | null      | null    | unlabelled |         | 0     |
 | 561874  | null     | null      | null    | unlabelled |         | 0     |
 | 561875  | null     | null      | null    | unlabelled |         | 0     |
 | 561876  | null     | null      | null    | unlabelled |         | 0     |
 | 561877  | null     | null      | null    | unlabelled |         | 0     |
 | 733923  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 817249  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 840018  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 1024654 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 2995    | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 134109  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 235727  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 268279  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 306244  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 309097  | null     | null      | null    | unlabelled |         | 0     |
 | 309098  | v1:6     | ethernet1 | 1234::1 | 89842      |         | 1280  |
 | 309099  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 309100  | v1:6     | ethernet2 | 1235::3 | 825303     |         | 640   |
 | 309101  | v1:6     | ethernet2 | 1235::3 | 825304     |         | 640   |
 | 309102  | null     | null      | null    | unlabelled |         | 0     |
 | 309103  | null     | null      | null    | unlabelled |         | 0     |
 | 309104  | null     | null      | null    | unlabelled |         | 0     |
 | 309105  | null     | null      | null    | unlabelled |         | 0     |
 | 309106  | null     | null      | null    | unlabelled |         | 0     |
 | 459488  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 510189  | null     | null      | null    | unlabelled |         | 0     |
 | 510190  | v1:4     | ethernet1 | 1.1.1.1 | 561869     |         | 1280  |
 | 510191  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 510192  | v1:4     | ethernet2 | 1.1.2.3 | 502474     |         | 640   |
 | 510193  | v1:4     | ethernet2 | 1.1.2.3 | 502475     |         | 640   |
 | 510194  | null     | null      | null    | unlabelled |         | 0     |
 | 510195  | null     | null      | null    | unlabelled |         | 0     |
 | 510196  | null     | null      | null    | unlabelled |         | 0     |
 | 510197  | null     | null      | null    | unlabelled |         | 0     |
 | 510198  | null     | null      | null    | unlabelled |         | 0     |
 | 592358  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 728623  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 747454  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 894077  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 912621  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1029331 | v1:6     | ethernet2 | 1235::3 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 155190  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 216879  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 235317  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 307973  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 328053  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 382103  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 439722  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 502471  | null     | null      | null    | unlabelled |         | 0     |
 | 502472  | v1:4     | ethernet1 | 1.1.2.2 | 510190     |         | 640   |
 | 502473  | v1:4     | ethernet1 | 1.1.2.2 | 510191     |         | 640   |
 | 502474  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 502475  | v1:4     | ethernet2 | 1.1.3.4 | 816242     |         | 1280  |
 | 502476  | null     | null      | null    | unlabelled |         | 0     |
 | 502477  | null     | null      | null    | unlabelled |         | 0     |
 | 502478  | null     | null      | null    | unlabelled |         | 0     |
 | 502479  | null     | null      | null    | unlabelled |         | 0     |
 | 502480  | null     | null      | null    | unlabelled |         | 0     |
 | 679160  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 680923  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 825300  | null     | null      | null    | unlabelled |         | 0     |
 | 825301  | v1:6     | ethernet1 | 1235::2 | 309098     |         | 640   |
 | 825302  | v1:6     | ethernet1 | 1235::2 | 309099     |         | 640   |
 | 825303  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 825304  | v1:6     | ethernet2 | 1236::4 | 358472     |         | 1280  |
 | 825305  | null     | null      | null    | unlabelled |         | 0     |
 | 825306  | null     | null      | null    | unlabelled |         | 0     |
 | 825307  | null     | null      | null    | unlabelled |         | 0     |
 | 825308  | null     | null      | null    | unlabelled |         | 0     |
 | 825309  | null     | null      | null    | unlabelled |         | 0     |
 | 876436  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 969352  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1041803 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 206347 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 358468 | null     | null      | null    | unlabelled |         | 0     |
 | 358469 | v1:6     | ethernet1 | 1236::3 | 825301     |         | 0     |
 | 358470 | v1:6     | ethernet1 | 1236::3 | 825302     |         | 0     |
 | 358471 | v1:6     | ethernet1 | 1236::3 | 825303     |         | 0     |
 | 358472 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 358473 | null     | null      | null    | unlabelled |         | 0     |
 | 358474 | null     | null      | null    | unlabelled |         | 0     |
 | 358475 | null     | null      | null    | unlabelled |         | 0     |
 | 358476 | null     | null      | null    | unlabelled |         | 0     |
 | 358477 | null     | null      | null    | unlabelled |         | 0     |
 | 388955 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 632690 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 647597 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 699845 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 725601 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 816238 | null     | null      | null    | unlabelled |         | 0     |
 | 816239 | v1:4     | ethernet1 | 1.1.3.3 | 502472     |         | 0     |
 | 816240 | v1:4     | ethernet1 | 1.1.3.3 | 502473     |         | 0     |
 | 816241 | v1:4     | ethernet1 | 1.1.3.3 | 502474     |         | 0     |
 | 816242 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 816243 | null     | null      | null    | unlabelled |         | 0     |
 | 816244 | null     | null      | null    | unlabelled |         | 0     |
 | 816245 | null     | null      | null    | unlabelled |         | 0     |
 | 816246 | null     | null      | null    | unlabelled |         | 0     |
 | 816247 | null     | null      | null    | unlabelled |         | 0     |
 | 878679 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 919241 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 948618 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 962849 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#