here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 233544 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 558479 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 569721 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 763463 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 852393 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 994928 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 245098  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 322651  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 499096  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 610195  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 946045  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1005041 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 246264 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 325446 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 480441 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 513079 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 585639 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 677180 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 178500 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 248891 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 491811 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 668361 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 778499 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 952873 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#