here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 162193 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 265269 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 424108 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 628527 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 822255 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 990657 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 87555   | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 436325  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 559348  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 759649  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 848275  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1006978 | tester: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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 214470  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 250050  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 624425  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 862143  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 927320  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1004883 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 23057  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 294889 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 529505 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 769680 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 832129 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 977299 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#