here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 174516 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 209962 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 244774 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 333035 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 684037 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 706740 | v1:6     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 416978  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 477197  | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 484634  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 654567  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 808287  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1016539 | tester:4 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 208887 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 240956 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 274238 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 316567 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 474145 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 513342 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 73728   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 186562  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 268225  | v1:4     | null  | null | unlabelled | bier    | 832   |
 | 454736  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 630730  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1005613 | v1:6     | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#