here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 145928  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 373802  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 848840  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 865998  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 893804  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1034085 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 184426 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 235463 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 258953 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 509829 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 773197 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 906270 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 278690 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 366472 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 674809 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 722842 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 759057 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 905215 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 51986   | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 201622  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 474965  | v1:4     | null  | null | unlabelled | bier    | 624   |
 | 600249  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 948906  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1003262 | v1:6     | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#