here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 215789  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 452497  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 538448  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 624720  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 636940  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 739597  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 742511  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 817172  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1004693 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1024475 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 277519 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 282862 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 401501 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 449223 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 485508 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 663165 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 741050 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 783360 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 907634 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 926262 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 1013   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 8577   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 11662  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 255029 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 319639 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 423672 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 854164 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 902596 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 917752 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 982200 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 154146 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 172139 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 360573 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 390062 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 409025 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 424112 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 518098 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 562838 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 761345 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 942951 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#