here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 376726 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 389000 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 451680 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 746735 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 859266 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 864981 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 308965  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 529530  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 603400  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 725849  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 916725  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 1038257 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 327915  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 403892  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 434897  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 647243  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 670145  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1001169 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 208399 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 374257 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 446575 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 564935 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 573401 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 631643 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#