here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 253041  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 704663  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 903755  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 948626  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 974865  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 1013460 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 26390  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 87582  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 220541 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 256644 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 931780 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 991450 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 2486   | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 98838  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 360233 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 623954 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 789074 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 890347 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 248300 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 387631 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 519583 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 606260 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 634353 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 783817 | v1:4     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#