here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 424068 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 463005 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 637015 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 715882 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 773188 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 869090 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 122674 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 199750 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 207223 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 351577 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 725864 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 825269 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 191723  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 441781  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 511018  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 740527  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 887282  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1027200 | tester:4 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 109814 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 217239 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 501466 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 600638 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 856014 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 958424 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#