here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 183845  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 628052  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 806265  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 887064  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 900996  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1016085 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 34789  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 562334 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 585013 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 774231 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 819866 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 848754 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 29058  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 45859  | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 101036 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 237556 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 818064 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 921212 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 78662  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 230925 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 286033 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 383998 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 392436 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 856173 | v1:4     | null  | null | unlabelled | bier    | 936   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#