here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 82058   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 222051  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 224658  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 266230  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 289031  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 401593  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 720384  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 767901  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 864816  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1020924 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 47039   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 110447  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 182933  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 305072  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 329722  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 378715  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 534079  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 609902  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 899601  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1036073 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 26895  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 95576  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 226128 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 268466 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 402728 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 410718 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 495202 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 787417 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 849511 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 893286 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 73683  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 118726 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 124402 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 137063 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 442585 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 507095 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 545181 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 588219 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 716378 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 857978 | v1:6     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#