here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 248017 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 369287 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 424351 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 681549 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 722228 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 760384 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 148644 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 164228 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 355685 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 443769 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 467163 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 991226 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 206588 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 213446 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 289657 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 325875 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 409392 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 608031 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 301022  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 425541  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 452231  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 676553  | v1:4     | null  | null | unlabelled | bier    | 832   |
 | 862904  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 1015317 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#