here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 225132  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 420589  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 672222  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 832443  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 986366  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1005240 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 83348  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 172546 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 244192 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 299253 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 337819 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 593219 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 148988 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 265706 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 305252 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 572677 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 615483 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 749622 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 35468  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 498325 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 547843 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 635750 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 749542 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 980828 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#