here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 75322  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 288831 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 346256 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 683199 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 693917 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 951495 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 158432 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 204312 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 263613 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 466432 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 489653 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 674270 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 98095   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 423920  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 571210  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 749514  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 805480  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 1027278 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 111718 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 292565 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 689082 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 764297 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 818567 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 980348 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#