here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 10457  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 74212  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 90340  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 324176 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 741399 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 889663 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 442174 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 647234 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 682297 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 725193 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 807287 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 855722 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 |________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 500460  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 535131  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 555814  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 666866  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 836180  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1039564 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 123124 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 189419 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 201695 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 208243 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 519429 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 533434 | v1:4     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#