here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 11094  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 543454 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 617854 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 646200 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 690961 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 707623 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 763222 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 783605 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 899596 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 926539 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 73848  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 106784 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 116558 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 194298 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 238306 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 458014 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 528599 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 586653 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 783398 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 884651 | v1:6     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 78923   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 104563  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 344376  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 450844  | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 748612  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 846587  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 860113  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 915902  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 963622  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1000497 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 1935    | tester:6 | null  | null | unlabelled | local   | 0     |
 | 97933   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 446035  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 502073  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 683546  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 718345  | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 812607  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 815532  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 964578  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1012521 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#