here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43628  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 145747 | null     | null      | null    | unlabelled |         | 0     |
 | 145748 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 145749 | v1:6     | ethernet1 | 1234::2 | 462760     |         | 0     |
 | 145750 | v1:6     | ethernet1 | 1234::2 | 462761     |         | 0     |
 | 145751 | v1:6     | ethernet1 | 1234::2 | 462762     |         | 0     |
 | 145752 | null     | null      | null    | unlabelled |         | 0     |
 | 145753 | null     | null      | null    | unlabelled |         | 0     |
 | 145754 | null     | null      | null    | unlabelled |         | 0     |
 | 145755 | null     | null      | null    | unlabelled |         | 0     |
 | 145756 | null     | null      | null    | unlabelled |         | 0     |
 | 434137 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 449432 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 450118 | null     | null      | null    | unlabelled |         | 0     |
 | 450119 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 450120 | v1:4     | ethernet1 | 1.1.1.2 | 650007     |         | 0     |
 | 450121 | v1:4     | ethernet1 | 1.1.1.2 | 650008     |         | 0     |
 | 450122 | v1:4     | ethernet1 | 1.1.1.2 | 650009     |         | 0     |
 | 450123 | null     | null      | null    | unlabelled |         | 0     |
 | 450124 | null     | null      | null    | unlabelled |         | 0     |
 | 450125 | null     | null      | null    | unlabelled |         | 0     |
 | 450126 | null     | null      | null    | unlabelled |         | 0     |
 | 450127 | null     | null      | null    | unlabelled |         | 0     |
 | 496390 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 611836 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 715897 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 796033 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 797236 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 838652 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 940390 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 31134   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 74652   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 284901  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 405103  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 417102  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 462758  | null     | null      | null    | unlabelled |         | 0     |
 | 462759  | v1:6     | ethernet1 | 1234::1 | 145748     |         | 1280  |
 | 462760  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 462761  | v1:6     | ethernet2 | 1235::3 | 798217     |         | 640   |
 | 462762  | v1:6     | ethernet2 | 1235::3 | 798218     |         | 640   |
 | 462763  | null     | null      | null    | unlabelled |         | 0     |
 | 462764  | null     | null      | null    | unlabelled |         | 0     |
 | 462765  | null     | null      | null    | unlabelled |         | 0     |
 | 462766  | null     | null      | null    | unlabelled |         | 0     |
 | 462767  | null     | null      | null    | unlabelled |         | 0     |
 | 570084  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 596968  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 650005  | null     | null      | null    | unlabelled |         | 0     |
 | 650006  | v1:4     | ethernet1 | 1.1.1.1 | 450119     |         | 1280  |
 | 650007  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 650008  | v1:4     | ethernet2 | 1.1.2.3 | 1034148    |         | 640   |
 | 650009  | v1:4     | ethernet2 | 1.1.2.3 | 1034149    |         | 640   |
 | 650010  | null     | null      | null    | unlabelled |         | 0     |
 | 650011  | null     | null      | null    | unlabelled |         | 0     |
 | 650012  | null     | null      | null    | unlabelled |         | 0     |
 | 650013  | null     | null      | null    | unlabelled |         | 0     |
 | 650014  | null     | null      | null    | unlabelled |         | 0     |
 | 721209  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 814685  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 833758  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 935371  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1037733 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 66354   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 74232   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 332047  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 364920  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 543359  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 668153  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 718383  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 759784  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 798214  | null     | null      | null    | unlabelled |         | 0     |
 | 798215  | v1:6     | ethernet1 | 1235::2 | 462759     |         | 640   |
 | 798216  | v1:6     | ethernet1 | 1235::2 | 462760     |         | 640   |
 | 798217  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 798218  | v1:6     | ethernet2 | 1236::4 | 20165      |         | 1280  |
 | 798219  | null     | null      | null    | unlabelled |         | 0     |
 | 798220  | null     | null      | null    | unlabelled |         | 0     |
 | 798221  | null     | null      | null    | unlabelled |         | 0     |
 | 798222  | null     | null      | null    | unlabelled |         | 0     |
 | 798223  | null     | null      | null    | unlabelled |         | 0     |
 | 834665  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 938325  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 944056  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 966396  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1034145 | null     | null      | null    | unlabelled |         | 0     |
 | 1034146 | v1:4     | ethernet1 | 1.1.2.2 | 650006     |         | 640   |
 | 1034147 | v1:4     | ethernet1 | 1.1.2.2 | 650007     |         | 640   |
 | 1034148 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1034149 | v1:4     | ethernet2 | 1.1.3.4 | 813437     |         | 1280  |
 | 1034150 | null     | null      | null    | unlabelled |         | 0     |
 | 1034151 | null     | null      | null    | unlabelled |         | 0     |
 | 1034152 | null     | null      | null    | unlabelled |         | 0     |
 | 1034153 | null     | null      | null    | unlabelled |         | 0     |
 | 1034154 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 20161   | null     | null      | null    | unlabelled |         | 0     |
 | 20162   | v1:6     | ethernet1 | 1236::3 | 798215     |         | 0     |
 | 20163   | v1:6     | ethernet1 | 1236::3 | 798216     |         | 0     |
 | 20164   | v1:6     | ethernet1 | 1236::3 | 798217     |         | 0     |
 | 20165   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 20166   | null     | null      | null    | unlabelled |         | 0     |
 | 20167   | null     | null      | null    | unlabelled |         | 0     |
 | 20168   | null     | null      | null    | unlabelled |         | 0     |
 | 20169   | null     | null      | null    | unlabelled |         | 0     |
 | 20170   | null     | null      | null    | unlabelled |         | 0     |
 | 22096   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 120786  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 132913  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 194759  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 206955  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 216755  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 225929  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 534807  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 813433  | null     | null      | null    | unlabelled |         | 0     |
 | 813434  | v1:4     | ethernet1 | 1.1.3.3 | 1034146    |         | 0     |
 | 813435  | v1:4     | ethernet1 | 1.1.3.3 | 1034147    |         | 0     |
 | 813436  | v1:4     | ethernet1 | 1.1.3.3 | 1034148    |         | 0     |
 | 813437  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 813438  | null     | null      | null    | unlabelled |         | 0     |
 | 813439  | null     | null      | null    | unlabelled |         | 0     |
 | 813440  | null     | null      | null    | unlabelled |         | 0     |
 | 813441  | null     | null      | null    | unlabelled |         | 0     |
 | 813442  | null     | null      | null    | unlabelled |         | 0     |
 | 1012266 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1013236 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#