here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 35350  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 122222 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 170158 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 249327 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 385710 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 414306 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 477595 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 566910 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 687313 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 724785 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 8973   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 168840 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 308241 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 355433 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 359083 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 578078 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 652453 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 809897 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 867486 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 882210 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 6211    | tester:6 | null  | null | unlabelled | local   | 0     |
 | 31841   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 277428  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 333830  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 538973  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 591534  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 716447  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 792424  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 892575  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 1018711 | tester: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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 17404   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 149063  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 164834  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 527054  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 553580  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 811105  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 814079  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 861735  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 882486  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1012617 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#