here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 7456   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 200921 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 225592 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 329328 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 356059 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 459085 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 460954 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 528128 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 676714 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 695514 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 11457  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 50938  | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 211812 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 333011 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 502670 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 521155 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 643988 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 742761 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 791224 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 845809 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 79150  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 210041 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 323051 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 352588 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 557432 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 559077 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 706476 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 740255 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 756828 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 859149 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 |________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 45330   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 63472   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 76494   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 116626  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 345548  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 561891  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 573878  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 597880  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 830046  | v1:4     | null  | null | unlabelled | bier    | 832   |
 | 1024624 | tester:6 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#