here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 94251   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 292076  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 361742  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 415077  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 442522  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 489804  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 531805  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 628662  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 758843  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1001418 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 19702   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 72765   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 169287  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 197056  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 457423  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 460237  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 463781  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 663201  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 833572  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1010544 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 10808  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 95130  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 308538 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 460519 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 550040 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 588520 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 630207 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 661597 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 672441 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 833214 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 |________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 23604   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 67378   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 244313  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 256370  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 283447  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 518401  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 954138  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1011239 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1017097 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1047740 | v1:4     | null  | null | unlabelled | bier    | 520   |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#