here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 184116 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 229313 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 546911 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 698011 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 835514 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 866072 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 4789   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 386365 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 450541 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 495573 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 865031 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 915027 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 228074 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 410804 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 562164 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 590767 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 809132 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 859233 | tester:4 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 327306  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 468469  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 495474  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 942991  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 988461  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1010929 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#