here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 121588  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 151405  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 377766  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 671055  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 711248  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 739092  | null     | null      | null    | unlabelled |         | 0     |
 | 739093  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 739094  | v1:6     | ethernet1 | 1234::2 | 437423     |         | 0     |
 | 739095  | v1:6     | ethernet1 | 1234::2 | 437424     |         | 0     |
 | 739096  | v1:6     | ethernet1 | 1234::2 | 437425     |         | 0     |
 | 739097  | null     | null      | null    | unlabelled |         | 0     |
 | 739098  | null     | null      | null    | unlabelled |         | 0     |
 | 739099  | null     | null      | null    | unlabelled |         | 0     |
 | 739100  | null     | null      | null    | unlabelled |         | 0     |
 | 739101  | null     | null      | null    | unlabelled |         | 0     |
 | 848238  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1031317 | null     | null      | null    | unlabelled |         | 0     |
 | 1031318 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1031319 | v1:4     | ethernet1 | 1.1.1.2 | 100457     |         | 0     |
 | 1031320 | v1:4     | ethernet1 | 1.1.1.2 | 100458     |         | 0     |
 | 1031321 | v1:4     | ethernet1 | 1.1.1.2 | 100459     |         | 0     |
 | 1031322 | null     | null      | null    | unlabelled |         | 0     |
 | 1031323 | null     | null      | null    | unlabelled |         | 0     |
 | 1031324 | null     | null      | null    | unlabelled |         | 0     |
 | 1031325 | null     | null      | null    | unlabelled |         | 0     |
 | 1031326 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 84637  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 100455 | null     | null      | null    | unlabelled |         | 0     |
 | 100456 | v1:4     | ethernet1 | 1.1.1.1 | 1031318    |         | 1280  |
 | 100457 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 100458 | v1:4     | ethernet2 | 1.1.2.3 | 52564      |         | 640   |
 | 100459 | v1:4     | ethernet2 | 1.1.2.3 | 52565      |         | 640   |
 | 100460 | null     | null      | null    | unlabelled |         | 0     |
 | 100461 | null     | null      | null    | unlabelled |         | 0     |
 | 100462 | null     | null      | null    | unlabelled |         | 0     |
 | 100463 | null     | null      | null    | unlabelled |         | 0     |
 | 100464 | null     | null      | null    | unlabelled |         | 0     |
 | 122947 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 193824 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 261039 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 437421 | null     | null      | null    | unlabelled |         | 0     |
 | 437422 | v1:6     | ethernet1 | 1234::1 | 739093     |         | 1280  |
 | 437423 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 437424 | v1:6     | ethernet2 | 1235::3 | 733982     |         | 640   |
 | 437425 | v1:6     | ethernet2 | 1235::3 | 733983     |         | 640   |
 | 437426 | null     | null      | null    | unlabelled |         | 0     |
 | 437427 | null     | null      | null    | unlabelled |         | 0     |
 | 437428 | null     | null      | null    | unlabelled |         | 0     |
 | 437429 | null     | null      | null    | unlabelled |         | 0     |
 | 437430 | null     | null      | null    | unlabelled |         | 0     |
 | 696284 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 799580 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 845870 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 951746 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 24934   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 52561   | null     | null      | null    | unlabelled |         | 0     |
 | 52562   | v1:4     | ethernet1 | 1.1.2.2 | 100456     |         | 640   |
 | 52563   | v1:4     | ethernet1 | 1.1.2.2 | 100457     |         | 640   |
 | 52564   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 52565   | v1:4     | ethernet2 | 1.1.3.4 | 385568     |         | 1280  |
 | 52566   | null     | null      | null    | unlabelled |         | 0     |
 | 52567   | null     | null      | null    | unlabelled |         | 0     |
 | 52568   | null     | null      | null    | unlabelled |         | 0     |
 | 52569   | null     | null      | null    | unlabelled |         | 0     |
 | 52570   | null     | null      | null    | unlabelled |         | 0     |
 | 169798  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 259045  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 333234  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 416135  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 697267  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 733979  | null     | null      | null    | unlabelled |         | 0     |
 | 733980  | v1:6     | ethernet1 | 1235::2 | 437422     |         | 640   |
 | 733981  | v1:6     | ethernet1 | 1235::2 | 437423     |         | 640   |
 | 733982  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 733983  | v1:6     | ethernet2 | 1236::4 | 381768     |         | 1280  |
 | 733984  | null     | null      | null    | unlabelled |         | 0     |
 | 733985  | null     | null      | null    | unlabelled |         | 0     |
 | 733986  | null     | null      | null    | unlabelled |         | 0     |
 | 733987  | null     | null      | null    | unlabelled |         | 0     |
 | 733988  | null     | null      | null    | unlabelled |         | 0     |
 | 758216  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1039178 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 59360  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 121531 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 155581 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 381764 | null     | null      | null    | unlabelled |         | 0     |
 | 381765 | v1:6     | ethernet1 | 1236::3 | 733980     |         | 0     |
 | 381766 | v1:6     | ethernet1 | 1236::3 | 733981     |         | 0     |
 | 381767 | v1:6     | ethernet1 | 1236::3 | 733982     |         | 0     |
 | 381768 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 381769 | null     | null      | null    | unlabelled |         | 0     |
 | 381770 | null     | null      | null    | unlabelled |         | 0     |
 | 381771 | null     | null      | null    | unlabelled |         | 0     |
 | 381772 | null     | null      | null    | unlabelled |         | 0     |
 | 381773 | null     | null      | null    | unlabelled |         | 0     |
 | 385564 | null     | null      | null    | unlabelled |         | 0     |
 | 385565 | v1:4     | ethernet1 | 1.1.3.3 | 52562      |         | 0     |
 | 385566 | v1:4     | ethernet1 | 1.1.3.3 | 52563      |         | 0     |
 | 385567 | v1:4     | ethernet1 | 1.1.3.3 | 52564      |         | 0     |
 | 385568 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 385569 | null     | null      | null    | unlabelled |         | 0     |
 | 385570 | null     | null      | null    | unlabelled |         | 0     |
 | 385571 | null     | null      | null    | unlabelled |         | 0     |
 | 385572 | null     | null      | null    | unlabelled |         | 0     |
 | 385573 | null     | null      | null    | unlabelled |         | 0     |
 | 482789 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 550466 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 989441 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#