here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 148625 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 149822 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 217351 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 288065 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 342192 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 354805 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 369325 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 468411 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 536490 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 664919 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 107611  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 293105  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 295576  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 363635  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 807963  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 852159  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 973787  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1007928 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1018617 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1019119 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 306727  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 370543  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 417963  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 548160  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 568909  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 608707  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 718175  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 763834  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 970284  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1020500 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 32116   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 96835   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 249687  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 332749  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 408499  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 412031  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 502079  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 959081  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 992299  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1010986 | tester:6 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#