here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 27273  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 281895 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 457937 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 535258 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 586560 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 685179 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 40771  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 128755 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 195250 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 561863 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 781610 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 846253 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 237447 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 352377 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 520217 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 738501 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 922843 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 955167 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 73483   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 81711   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 95225   | v1:4     | null  | null | unlabelled | bier    | 832   |
 | 211806  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 565171  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1014451 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#