here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 8935   | null     | null      | null    | unlabelled |         | 0     |
 | 8936   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 8937   | v1:6     | ethernet1 | 1234::2 | 443126     |         | 0     |
 | 8938   | v1:6     | ethernet1 | 1234::2 | 443127     |         | 0     |
 | 8939   | v1:6     | ethernet1 | 1234::2 | 443128     |         | 0     |
 | 8940   | null     | null      | null    | unlabelled |         | 0     |
 | 8941   | null     | null      | null    | unlabelled |         | 0     |
 | 8942   | null     | null      | null    | unlabelled |         | 0     |
 | 8943   | null     | null      | null    | unlabelled |         | 0     |
 | 8944   | null     | null      | null    | unlabelled |         | 0     |
 | 22841  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 326823 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 391501 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 485298 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 526611 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 622093 | null     | null      | null    | unlabelled |         | 0     |
 | 622094 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 622095 | v1:4     | ethernet1 | 1.1.1.2 | 259653     |         | 0     |
 | 622096 | v1:4     | ethernet1 | 1.1.1.2 | 259654     |         | 0     |
 | 622097 | v1:4     | ethernet1 | 1.1.1.2 | 259655     |         | 0     |
 | 622098 | null     | null      | null    | unlabelled |         | 0     |
 | 622099 | null     | null      | null    | unlabelled |         | 0     |
 | 622100 | null     | null      | null    | unlabelled |         | 0     |
 | 622101 | null     | null      | null    | unlabelled |         | 0     |
 | 622102 | null     | null      | null    | unlabelled |         | 0     |
 | 704189 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 721429 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 788532 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 937217 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 974056 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 179688 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 206709 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 217403 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 259651 | null     | null      | null    | unlabelled |         | 0     |
 | 259652 | v1:4     | ethernet1 | 1.1.1.1 | 622094     |         | 1280  |
 | 259653 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 259654 | v1:4     | ethernet2 | 1.1.2.3 | 145356     |         | 640   |
 | 259655 | v1:4     | ethernet2 | 1.1.2.3 | 145357     |         | 640   |
 | 259656 | null     | null      | null    | unlabelled |         | 0     |
 | 259657 | null     | null      | null    | unlabelled |         | 0     |
 | 259658 | null     | null      | null    | unlabelled |         | 0     |
 | 259659 | null     | null      | null    | unlabelled |         | 0     |
 | 259660 | null     | null      | null    | unlabelled |         | 0     |
 | 260304 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 334455 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 443124 | null     | null      | null    | unlabelled |         | 0     |
 | 443125 | v1:6     | ethernet1 | 1234::1 | 8936       |         | 1280  |
 | 443126 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 443127 | v1:6     | ethernet2 | 1235::3 | 754677     |         | 640   |
 | 443128 | v1:6     | ethernet2 | 1235::3 | 754678     |         | 640   |
 | 443129 | null     | null      | null    | unlabelled |         | 0     |
 | 443130 | null     | null      | null    | unlabelled |         | 0     |
 | 443131 | null     | null      | null    | unlabelled |         | 0     |
 | 443132 | null     | null      | null    | unlabelled |         | 0     |
 | 443133 | null     | null      | null    | unlabelled |         | 0     |
 | 451284 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 615389 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 644918 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 653516 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 724406 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 780228 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 820641 | v1:6     | ethernet1 | 1234::1 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 127400  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 145353  | null     | null      | null    | unlabelled |         | 0     |
 | 145354  | v1:4     | ethernet1 | 1.1.2.2 | 259652     |         | 640   |
 | 145355  | v1:4     | ethernet1 | 1.1.2.2 | 259653     |         | 640   |
 | 145356  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 145357  | v1:4     | ethernet2 | 1.1.3.4 | 197421     |         | 1280  |
 | 145358  | null     | null      | null    | unlabelled |         | 0     |
 | 145359  | null     | null      | null    | unlabelled |         | 0     |
 | 145360  | null     | null      | null    | unlabelled |         | 0     |
 | 145361  | null     | null      | null    | unlabelled |         | 0     |
 | 145362  | null     | null      | null    | unlabelled |         | 0     |
 | 209932  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 354766  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 367858  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 414332  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 569608  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 673256  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 676029  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 731489  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 754674  | null     | null      | null    | unlabelled |         | 0     |
 | 754675  | v1:6     | ethernet1 | 1235::2 | 443125     |         | 640   |
 | 754676  | v1:6     | ethernet1 | 1235::2 | 443126     |         | 640   |
 | 754677  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 754678  | v1:6     | ethernet2 | 1236::4 | 602981     |         | 1280  |
 | 754679  | null     | null      | null    | unlabelled |         | 0     |
 | 754680  | null     | null      | null    | unlabelled |         | 0     |
 | 754681  | null     | null      | null    | unlabelled |         | 0     |
 | 754682  | null     | null      | null    | unlabelled |         | 0     |
 | 754683  | null     | null      | null    | unlabelled |         | 0     |
 | 861058  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 870414  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1025367 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 81569  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 197417 | null     | null      | null    | unlabelled |         | 0     |
 | 197418 | v1:4     | ethernet1 | 1.1.3.3 | 145354     |         | 0     |
 | 197419 | v1:4     | ethernet1 | 1.1.3.3 | 145355     |         | 0     |
 | 197420 | v1:4     | ethernet1 | 1.1.3.3 | 145356     |         | 0     |
 | 197421 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 197422 | null     | null      | null    | unlabelled |         | 0     |
 | 197423 | null     | null      | null    | unlabelled |         | 0     |
 | 197424 | null     | null      | null    | unlabelled |         | 0     |
 | 197425 | null     | null      | null    | unlabelled |         | 0     |
 | 197426 | null     | null      | null    | unlabelled |         | 0     |
 | 248235 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 252878 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 338148 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 395808 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 602977 | null     | null      | null    | unlabelled |         | 0     |
 | 602978 | v1:6     | ethernet1 | 1236::3 | 754675     |         | 0     |
 | 602979 | v1:6     | ethernet1 | 1236::3 | 754676     |         | 0     |
 | 602980 | v1:6     | ethernet1 | 1236::3 | 754677     |         | 0     |
 | 602981 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 602982 | null     | null      | null    | unlabelled |         | 0     |
 | 602983 | null     | null      | null    | unlabelled |         | 0     |
 | 602984 | null     | null      | null    | unlabelled |         | 0     |
 | 602985 | null     | null      | null    | unlabelled |         | 0     |
 | 602986 | null     | null      | null    | unlabelled |         | 0     |
 | 635126 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 714268 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 828349 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 978751 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 985340 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#