here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 82828  | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 110937 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 189237 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 307869 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 396033 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 621845 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 292702  | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 325748  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 724005  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 859731  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 909374  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1033803 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 77809  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 402683 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 738137 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 792803 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 844906 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 894848 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 |________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 413099 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 525992 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 572596 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 721402 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 784039 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 854575 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#