here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 240818 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 456130 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 474022 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 555874 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 595406 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 838506 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 93521  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 221819 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 357379 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 462629 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 729272 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 845741 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 |________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 82758   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 364749  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 546919  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 636108  | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 935677  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1014492 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 41370  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 131059 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 312620 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 377202 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 505452 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 908075 | v1:4     | null  | null | unlabelled | bier    | 936   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#