here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 78124   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 132539  | null     | null      | null    | unlabelled |         | 0     |
 | 132540  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 132541  | v1:4     | ethernet1 | 1.1.1.2 | 957768     |         | 0     |
 | 132542  | v1:4     | ethernet1 | 1.1.1.2 | 957769     |         | 0     |
 | 132543  | v1:4     | ethernet1 | 1.1.1.2 | 957770     |         | 0     |
 | 132544  | null     | null      | null    | unlabelled |         | 0     |
 | 132545  | null     | null      | null    | unlabelled |         | 0     |
 | 132546  | null     | null      | null    | unlabelled |         | 0     |
 | 132547  | null     | null      | null    | unlabelled |         | 0     |
 | 132548  | null     | null      | null    | unlabelled |         | 0     |
 | 157547  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 181385  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 257065  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 301835  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 318227  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 500353  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 660369  | null     | null      | null    | unlabelled |         | 0     |
 | 660370  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 660371  | v1:6     | ethernet1 | 1234::2 | 415290     |         | 0     |
 | 660372  | v1:6     | ethernet1 | 1234::2 | 415291     |         | 0     |
 | 660373  | v1:6     | ethernet1 | 1234::2 | 415292     |         | 0     |
 | 660374  | null     | null      | null    | unlabelled |         | 0     |
 | 660375  | null     | null      | null    | unlabelled |         | 0     |
 | 660376  | null     | null      | null    | unlabelled |         | 0     |
 | 660377  | null     | null      | null    | unlabelled |         | 0     |
 | 660378  | null     | null      | null    | unlabelled |         | 0     |
 | 831120  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 870916  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 1001648 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 5813   | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 92595  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 126431 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 142559 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 252036 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 275508 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 334751 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 415288 | null     | null      | null    | unlabelled |         | 0     |
 | 415289 | v1:6     | ethernet1 | 1234::1 | 660370     |         | 1280  |
 | 415290 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 415291 | v1:6     | ethernet2 | 1235::3 | 752114     |         | 640   |
 | 415292 | v1:6     | ethernet2 | 1235::3 | 752115     |         | 640   |
 | 415293 | null     | null      | null    | unlabelled |         | 0     |
 | 415294 | null     | null      | null    | unlabelled |         | 0     |
 | 415295 | null     | null      | null    | unlabelled |         | 0     |
 | 415296 | null     | null      | null    | unlabelled |         | 0     |
 | 415297 | null     | null      | null    | unlabelled |         | 0     |
 | 505755 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 532499 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 562647 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 724029 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 853082 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 957766 | null     | null      | null    | unlabelled |         | 0     |
 | 957767 | v1:4     | ethernet1 | 1.1.1.1 | 132540     |         | 1280  |
 | 957768 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 957769 | v1:4     | ethernet2 | 1.1.2.3 | 540675     |         | 640   |
 | 957770 | v1:4     | ethernet2 | 1.1.2.3 | 540676     |         | 640   |
 | 957771 | null     | null      | null    | unlabelled |         | 0     |
 | 957772 | null     | null      | null    | unlabelled |         | 0     |
 | 957773 | null     | null      | null    | unlabelled |         | 0     |
 | 957774 | null     | null      | null    | unlabelled |         | 0     |
 | 957775 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 95081  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 171481 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 245120 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 271588 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 409019 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 435817 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 447073 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 540672 | null     | null      | null    | unlabelled |         | 0     |
 | 540673 | v1:4     | ethernet1 | 1.1.2.2 | 957767     |         | 640   |
 | 540674 | v1:4     | ethernet1 | 1.1.2.2 | 957768     |         | 640   |
 | 540675 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 540676 | v1:4     | ethernet2 | 1.1.3.4 | 897064     |         | 1280  |
 | 540677 | null     | null      | null    | unlabelled |         | 0     |
 | 540678 | null     | null      | null    | unlabelled |         | 0     |
 | 540679 | null     | null      | null    | unlabelled |         | 0     |
 | 540680 | null     | null      | null    | unlabelled |         | 0     |
 | 540681 | null     | null      | null    | unlabelled |         | 0     |
 | 578086 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 682827 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 752111 | null     | null      | null    | unlabelled |         | 0     |
 | 752112 | v1:6     | ethernet1 | 1235::2 | 415289     |         | 640   |
 | 752113 | v1:6     | ethernet1 | 1235::2 | 415290     |         | 640   |
 | 752114 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 752115 | v1:6     | ethernet2 | 1236::4 | 284081     |         | 1280  |
 | 752116 | null     | null      | null    | unlabelled |         | 0     |
 | 752117 | null     | null      | null    | unlabelled |         | 0     |
 | 752118 | null     | null      | null    | unlabelled |         | 0     |
 | 752119 | null     | null      | null    | unlabelled |         | 0     |
 | 752120 | null     | null      | null    | unlabelled |         | 0     |
 | 845608 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 979198 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 980308 | v1:4     | ethernet2 | 1.1.3.4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 99458  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 284077 | null     | null      | null    | unlabelled |         | 0     |
 | 284078 | v1:6     | ethernet1 | 1236::3 | 752112     |         | 0     |
 | 284079 | v1:6     | ethernet1 | 1236::3 | 752113     |         | 0     |
 | 284080 | v1:6     | ethernet1 | 1236::3 | 752114     |         | 0     |
 | 284081 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 284082 | null     | null      | null    | unlabelled |         | 0     |
 | 284083 | null     | null      | null    | unlabelled |         | 0     |
 | 284084 | null     | null      | null    | unlabelled |         | 0     |
 | 284085 | null     | null      | null    | unlabelled |         | 0     |
 | 284086 | null     | null      | null    | unlabelled |         | 0     |
 | 562382 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 602122 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 619857 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 666461 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 738518 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 816564 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 869784 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 897060 | null     | null      | null    | unlabelled |         | 0     |
 | 897061 | v1:4     | ethernet1 | 1.1.3.3 | 540673     |         | 0     |
 | 897062 | v1:4     | ethernet1 | 1.1.3.3 | 540674     |         | 0     |
 | 897063 | v1:4     | ethernet1 | 1.1.3.3 | 540675     |         | 0     |
 | 897064 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 897065 | null     | null      | null    | unlabelled |         | 0     |
 | 897066 | null     | null      | null    | unlabelled |         | 0     |
 | 897067 | null     | null      | null    | unlabelled |         | 0     |
 | 897068 | null     | null      | null    | unlabelled |         | 0     |
 | 897069 | null     | null      | null    | unlabelled |         | 0     |
 | 940693 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 977046 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#