here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 498844 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 504902 | null     | null      | null    | unlabelled |         | 0     |
 | 504903 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 504904 | v1:6     | ethernet1 | 1234::2 | 120176     |         | 0     |
 | 504905 | v1:6     | ethernet1 | 1234::2 | 120177     |         | 0     |
 | 504906 | v1:6     | ethernet1 | 1234::2 | 120178     |         | 0     |
 | 504907 | null     | null      | null    | unlabelled |         | 0     |
 | 504908 | null     | null      | null    | unlabelled |         | 0     |
 | 504909 | null     | null      | null    | unlabelled |         | 0     |
 | 504910 | null     | null      | null    | unlabelled |         | 0     |
 | 504911 | null     | null      | null    | unlabelled |         | 0     |
 | 543199 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 654683 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 707842 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 745685 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 932522 | null     | null      | null    | unlabelled |         | 0     |
 | 932523 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 932524 | v1:4     | ethernet1 | 1.1.1.2 | 14130      |         | 0     |
 | 932525 | v1:4     | ethernet1 | 1.1.1.2 | 14131      |         | 0     |
 | 932526 | v1:4     | ethernet1 | 1.1.1.2 | 14132      |         | 0     |
 | 932527 | null     | null      | null    | unlabelled |         | 0     |
 | 932528 | null     | null      | null    | unlabelled |         | 0     |
 | 932529 | null     | null      | null    | unlabelled |         | 0     |
 | 932530 | null     | null      | null    | unlabelled |         | 0     |
 | 932531 | null     | null      | null    | unlabelled |         | 0     |
 | 964229 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 14128  | null     | null      | null    | unlabelled |         | 0     |
 | 14129  | v1:4     | ethernet1 | 1.1.1.1 | 932523     |         | 1280  |
 | 14130  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 14131  | v1:4     | ethernet2 | 1.1.2.3 | 651624     |         | 640   |
 | 14132  | v1:4     | ethernet2 | 1.1.2.3 | 651625     |         | 640   |
 | 14133  | null     | null      | null    | unlabelled |         | 0     |
 | 14134  | null     | null      | null    | unlabelled |         | 0     |
 | 14135  | null     | null      | null    | unlabelled |         | 0     |
 | 14136  | null     | null      | null    | unlabelled |         | 0     |
 | 14137  | null     | null      | null    | unlabelled |         | 0     |
 | 31089  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 37491  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 74742  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 120174 | null     | null      | null    | unlabelled |         | 0     |
 | 120175 | v1:6     | ethernet1 | 1234::1 | 504903     |         | 1280  |
 | 120176 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 120177 | v1:6     | ethernet2 | 1235::3 | 992188     |         | 640   |
 | 120178 | v1:6     | ethernet2 | 1235::3 | 992189     |         | 640   |
 | 120179 | null     | null      | null    | unlabelled |         | 0     |
 | 120180 | null     | null      | null    | unlabelled |         | 0     |
 | 120181 | null     | null      | null    | unlabelled |         | 0     |
 | 120182 | null     | null      | null    | unlabelled |         | 0     |
 | 120183 | null     | null      | null    | unlabelled |         | 0     |
 | 162907 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 441998 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 496712 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 620865 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 662691 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 279864 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 321617 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 348072 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 398619 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 559224 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 582987 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 587016 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 651621 | null     | null      | null    | unlabelled |         | 0     |
 | 651622 | v1:4     | ethernet1 | 1.1.2.2 | 14129      |         | 640   |
 | 651623 | v1:4     | ethernet1 | 1.1.2.2 | 14130      |         | 640   |
 | 651624 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 651625 | v1:4     | ethernet2 | 1.1.3.4 | 956947     |         | 1280  |
 | 651626 | null     | null      | null    | unlabelled |         | 0     |
 | 651627 | null     | null      | null    | unlabelled |         | 0     |
 | 651628 | null     | null      | null    | unlabelled |         | 0     |
 | 651629 | null     | null      | null    | unlabelled |         | 0     |
 | 651630 | null     | null      | null    | unlabelled |         | 0     |
 | 869558 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 992185 | null     | null      | null    | unlabelled |         | 0     |
 | 992186 | v1:6     | ethernet1 | 1235::2 | 120175     |         | 640   |
 | 992187 | v1:6     | ethernet1 | 1235::2 | 120176     |         | 640   |
 | 992188 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 992189 | v1:6     | ethernet2 | 1236::4 | 826625     |         | 1280  |
 | 992190 | null     | null      | null    | unlabelled |         | 0     |
 | 992191 | null     | null      | null    | unlabelled |         | 0     |
 | 992192 | null     | null      | null    | unlabelled |         | 0     |
 | 992193 | null     | null      | null    | unlabelled |         | 0     |
 | 992194 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 71993  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 359038 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 394097 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 654859 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 787914 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 812597 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 826621 | null     | null      | null    | unlabelled |         | 0     |
 | 826622 | v1:6     | ethernet1 | 1236::3 | 992186     |         | 0     |
 | 826623 | v1:6     | ethernet1 | 1236::3 | 992187     |         | 0     |
 | 826624 | v1:6     | ethernet1 | 1236::3 | 992188     |         | 0     |
 | 826625 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 826626 | null     | null      | null    | unlabelled |         | 0     |
 | 826627 | null     | null      | null    | unlabelled |         | 0     |
 | 826628 | null     | null      | null    | unlabelled |         | 0     |
 | 826629 | null     | null      | null    | unlabelled |         | 0     |
 | 826630 | null     | null      | null    | unlabelled |         | 0     |
 | 956943 | null     | null      | null    | unlabelled |         | 0     |
 | 956944 | v1:4     | ethernet1 | 1.1.3.3 | 651622     |         | 0     |
 | 956945 | v1:4     | ethernet1 | 1.1.3.3 | 651623     |         | 0     |
 | 956946 | v1:4     | ethernet1 | 1.1.3.3 | 651624     |         | 0     |
 | 956947 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 956948 | null     | null      | null    | unlabelled |         | 0     |
 | 956949 | null     | null      | null    | unlabelled |         | 0     |
 | 956950 | null     | null      | null    | unlabelled |         | 0     |
 | 956951 | null     | null      | null    | unlabelled |         | 0     |
 | 956952 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#