here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 45696  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 264593 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 375793 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 949430 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 968062 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 988527 | v1:4     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 30305   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 513074  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 533274  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 771446  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 940415  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 1002542 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 88122  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 340803 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 615495 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 652015 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 757073 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 784836 | tester: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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 111984  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 273482  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 453936  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 486904  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 615355  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1023361 | tester:6 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#