here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 92107   | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 135317  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 153112  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 232412  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 281542  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 445781  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 832104  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 964646  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 998691  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1040431 | v1:6     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 74908   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 87223   | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 274401  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 667321  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 697643  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 751534  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 835485  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 997459  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1021962 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 1047257 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 43518  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 312972 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 390942 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 428463 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 664181 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 742663 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 772902 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 865104 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 894182 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 904230 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 143583  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 180200  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 368853  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 427840  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 430382  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 504625  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 570794  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 582285  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 822286  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1010649 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#