here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 12158  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 143190 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 281050 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 322532 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 396698 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 929903 | v1:6     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 117069  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 141314  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 204803  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 394010  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 504986  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1005210 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 233666 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 293803 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 456254 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 570318 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 673834 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 944052 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 94659   | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 105051  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 185961  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 293662  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 743219  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1022260 | v1:6     | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#