here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 292698 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 316911 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 401817 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 857380 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 922513 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 938262 | tester:6 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 209095  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 302089  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 798087  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 875354  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 993652  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 1002031 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 61537  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 152019 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 195033 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 490651 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 892266 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 959311 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 4442   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 57336  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 66185  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 185015 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 328407 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 859956 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#