here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 74884  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 153406 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 158577 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 244759 | null     | null      | null    | unlabelled |         | 0     |
 | 244760 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 244761 | v1:6     | ethernet1 | 1234::2 | 822310     |         | 0     |
 | 244762 | v1:6     | ethernet1 | 1234::2 | 822311     |         | 0     |
 | 244763 | v1:6     | ethernet1 | 1234::2 | 822312     |         | 0     |
 | 244764 | null     | null      | null    | unlabelled |         | 0     |
 | 244765 | null     | null      | null    | unlabelled |         | 0     |
 | 244766 | null     | null      | null    | unlabelled |         | 0     |
 | 244767 | null     | null      | null    | unlabelled |         | 0     |
 | 244768 | null     | null      | null    | unlabelled |         | 0     |
 | 466845 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 496241 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 658511 | null     | null      | null    | unlabelled |         | 0     |
 | 658512 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 658513 | v1:4     | ethernet1 | 1.1.1.2 | 371731     |         | 0     |
 | 658514 | v1:4     | ethernet1 | 1.1.1.2 | 371732     |         | 0     |
 | 658515 | v1:4     | ethernet1 | 1.1.1.2 | 371733     |         | 0     |
 | 658516 | null     | null      | null    | unlabelled |         | 0     |
 | 658517 | null     | null      | null    | unlabelled |         | 0     |
 | 658518 | null     | null      | null    | unlabelled |         | 0     |
 | 658519 | null     | null      | null    | unlabelled |         | 0     |
 | 658520 | null     | null      | null    | unlabelled |         | 0     |
 | 789196 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 7614    | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 119797  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 371729  | null     | null      | null    | unlabelled |         | 0     |
 | 371730  | v1:4     | ethernet1 | 1.1.1.1 | 658512     |         | 1280  |
 | 371731  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 371732  | v1:4     | ethernet2 | 1.1.2.3 | 107175     |         | 640   |
 | 371733  | v1:4     | ethernet2 | 1.1.2.3 | 107176     |         | 640   |
 | 371734  | null     | null      | null    | unlabelled |         | 0     |
 | 371735  | null     | null      | null    | unlabelled |         | 0     |
 | 371736  | null     | null      | null    | unlabelled |         | 0     |
 | 371737  | null     | null      | null    | unlabelled |         | 0     |
 | 371738  | null     | null      | null    | unlabelled |         | 0     |
 | 399988  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 502663  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 513875  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 822308  | null     | null      | null    | unlabelled |         | 0     |
 | 822309  | v1:6     | ethernet1 | 1234::1 | 244760     |         | 1280  |
 | 822310  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 822311  | v1:6     | ethernet2 | 1235::3 | 268702     |         | 640   |
 | 822312  | v1:6     | ethernet2 | 1235::3 | 268703     |         | 640   |
 | 822313  | null     | null      | null    | unlabelled |         | 0     |
 | 822314  | null     | null      | null    | unlabelled |         | 0     |
 | 822315  | null     | null      | null    | unlabelled |         | 0     |
 | 822316  | null     | null      | null    | unlabelled |         | 0     |
 | 822317  | null     | null      | null    | unlabelled |         | 0     |
 | 859130  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 918637  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 1025106 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 107172 | null     | null      | null    | unlabelled |         | 0     |
 | 107173 | v1:4     | ethernet1 | 1.1.2.2 | 371730     |         | 640   |
 | 107174 | v1:4     | ethernet1 | 1.1.2.2 | 371731     |         | 640   |
 | 107175 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 107176 | v1:4     | ethernet2 | 1.1.3.4 | 377002     |         | 1280  |
 | 107177 | null     | null      | null    | unlabelled |         | 0     |
 | 107178 | null     | null      | null    | unlabelled |         | 0     |
 | 107179 | null     | null      | null    | unlabelled |         | 0     |
 | 107180 | null     | null      | null    | unlabelled |         | 0     |
 | 107181 | null     | null      | null    | unlabelled |         | 0     |
 | 186771 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 230508 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 268699 | null     | null      | null    | unlabelled |         | 0     |
 | 268700 | v1:6     | ethernet1 | 1235::2 | 822309     |         | 640   |
 | 268701 | v1:6     | ethernet1 | 1235::2 | 822310     |         | 640   |
 | 268702 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 268703 | v1:6     | ethernet2 | 1236::4 | 150696     |         | 1280  |
 | 268704 | null     | null      | null    | unlabelled |         | 0     |
 | 268705 | null     | null      | null    | unlabelled |         | 0     |
 | 268706 | null     | null      | null    | unlabelled |         | 0     |
 | 268707 | null     | null      | null    | unlabelled |         | 0     |
 | 268708 | null     | null      | null    | unlabelled |         | 0     |
 | 337125 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 565307 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 582254 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 633896 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 776500 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 820705 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 68934  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 150692 | null     | null      | null    | unlabelled |         | 0     |
 | 150693 | v1:6     | ethernet1 | 1236::3 | 268700     |         | 0     |
 | 150694 | v1:6     | ethernet1 | 1236::3 | 268701     |         | 0     |
 | 150695 | v1:6     | ethernet1 | 1236::3 | 268702     |         | 0     |
 | 150696 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 150697 | null     | null      | null    | unlabelled |         | 0     |
 | 150698 | null     | null      | null    | unlabelled |         | 0     |
 | 150699 | null     | null      | null    | unlabelled |         | 0     |
 | 150700 | null     | null      | null    | unlabelled |         | 0     |
 | 150701 | null     | null      | null    | unlabelled |         | 0     |
 | 247063 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 269170 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 376998 | null     | null      | null    | unlabelled |         | 0     |
 | 376999 | v1:4     | ethernet1 | 1.1.3.3 | 107173     |         | 0     |
 | 377000 | v1:4     | ethernet1 | 1.1.3.3 | 107174     |         | 0     |
 | 377001 | v1:4     | ethernet1 | 1.1.3.3 | 107175     |         | 0     |
 | 377002 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 377003 | null     | null      | null    | unlabelled |         | 0     |
 | 377004 | null     | null      | null    | unlabelled |         | 0     |
 | 377005 | null     | null      | null    | unlabelled |         | 0     |
 | 377006 | null     | null      | null    | unlabelled |         | 0     |
 | 377007 | null     | null      | null    | unlabelled |         | 0     |
 | 423262 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 678121 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 767799 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#