here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 47380   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 238437  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 286683  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 562078  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 587624  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 641110  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 696269  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 840421  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 849325  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 1034170 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 207544  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 220054  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 402855  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 552005  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 588844  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 734629  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 757531  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 918994  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1010184 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1021101 | tester:6 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 42219   | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 107850  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 264220  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 383273  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 475310  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 521417  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 669671  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 813306  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 928511  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1000729 | v1:4     | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 121212  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 176080  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 370027  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 460446  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 614234  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 643020  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 886303  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 953384  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 996425  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1046384 | tester:6 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#