here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 110127 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 217252 | null     | null      | null    | unlabelled |         | 0     |
 | 217253 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 217254 | v1:6     | ethernet1 | 1234::2 | 839359     |         | 0     |
 | 217255 | v1:6     | ethernet1 | 1234::2 | 839360     |         | 0     |
 | 217256 | v1:6     | ethernet1 | 1234::2 | 839361     |         | 0     |
 | 217257 | null     | null      | null    | unlabelled |         | 0     |
 | 217258 | null     | null      | null    | unlabelled |         | 0     |
 | 217259 | null     | null      | null    | unlabelled |         | 0     |
 | 217260 | null     | null      | null    | unlabelled |         | 0     |
 | 217261 | null     | null      | null    | unlabelled |         | 0     |
 | 343540 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 395788 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 536350 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 547662 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 642593 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 659177 | null     | null      | null    | unlabelled |         | 0     |
 | 659178 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 659179 | v1:4     | ethernet1 | 1.1.1.2 | 647601     |         | 0     |
 | 659180 | v1:4     | ethernet1 | 1.1.1.2 | 647602     |         | 0     |
 | 659181 | v1:4     | ethernet1 | 1.1.1.2 | 647603     |         | 0     |
 | 659182 | null     | null      | null    | unlabelled |         | 0     |
 | 659183 | null     | null      | null    | unlabelled |         | 0     |
 | 659184 | null     | null      | null    | unlabelled |         | 0     |
 | 659185 | null     | null      | null    | unlabelled |         | 0     |
 | 659186 | null     | null      | null    | unlabelled |         | 0     |
 | 661189 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 694554 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 831332 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 883842 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 81320   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 130962  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 155983  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 375994  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 410523  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 421578  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 471680  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 647599  | null     | null      | null    | unlabelled |         | 0     |
 | 647600  | v1:4     | ethernet1 | 1.1.1.1 | 659178     |         | 1280  |
 | 647601  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 647602  | v1:4     | ethernet2 | 1.1.2.3 | 431682     |         | 640   |
 | 647603  | v1:4     | ethernet2 | 1.1.2.3 | 431683     |         | 640   |
 | 647604  | null     | null      | null    | unlabelled |         | 0     |
 | 647605  | null     | null      | null    | unlabelled |         | 0     |
 | 647606  | null     | null      | null    | unlabelled |         | 0     |
 | 647607  | null     | null      | null    | unlabelled |         | 0     |
 | 647608  | null     | null      | null    | unlabelled |         | 0     |
 | 758003  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 778268  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 839357  | null     | null      | null    | unlabelled |         | 0     |
 | 839358  | v1:6     | ethernet1 | 1234::1 | 217253     |         | 1280  |
 | 839359  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 839360  | v1:6     | ethernet2 | 1235::3 | 343373     |         | 640   |
 | 839361  | v1:6     | ethernet2 | 1235::3 | 343374     |         | 640   |
 | 839362  | null     | null      | null    | unlabelled |         | 0     |
 | 839363  | null     | null      | null    | unlabelled |         | 0     |
 | 839364  | null     | null      | null    | unlabelled |         | 0     |
 | 839365  | null     | null      | null    | unlabelled |         | 0     |
 | 839366  | null     | null      | null    | unlabelled |         | 0     |
 | 905123  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 932157  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1002945 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 15717  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 206399 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 278761 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 333004 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 343370 | null     | null      | null    | unlabelled |         | 0     |
 | 343371 | v1:6     | ethernet1 | 1235::2 | 839358     |         | 640   |
 | 343372 | v1:6     | ethernet1 | 1235::2 | 839359     |         | 640   |
 | 343373 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 343374 | v1:6     | ethernet2 | 1236::4 | 286602     |         | 1280  |
 | 343375 | null     | null      | null    | unlabelled |         | 0     |
 | 343376 | null     | null      | null    | unlabelled |         | 0     |
 | 343377 | null     | null      | null    | unlabelled |         | 0     |
 | 343378 | null     | null      | null    | unlabelled |         | 0     |
 | 343379 | null     | null      | null    | unlabelled |         | 0     |
 | 431679 | null     | null      | null    | unlabelled |         | 0     |
 | 431680 | v1:4     | ethernet1 | 1.1.2.2 | 647600     |         | 640   |
 | 431681 | v1:4     | ethernet1 | 1.1.2.2 | 647601     |         | 640   |
 | 431682 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 431683 | v1:4     | ethernet2 | 1.1.3.4 | 247053     |         | 1280  |
 | 431684 | null     | null      | null    | unlabelled |         | 0     |
 | 431685 | null     | null      | null    | unlabelled |         | 0     |
 | 431686 | null     | null      | null    | unlabelled |         | 0     |
 | 431687 | null     | null      | null    | unlabelled |         | 0     |
 | 431688 | null     | null      | null    | unlabelled |         | 0     |
 | 436479 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 610069 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 648919 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 697934 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 765736 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 800736 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 816318 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 861817 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 171622 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 206961 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 247049 | null     | null      | null    | unlabelled |         | 0     |
 | 247050 | v1:4     | ethernet1 | 1.1.3.3 | 431680     |         | 0     |
 | 247051 | v1:4     | ethernet1 | 1.1.3.3 | 431681     |         | 0     |
 | 247052 | v1:4     | ethernet1 | 1.1.3.3 | 431682     |         | 0     |
 | 247053 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 247054 | null     | null      | null    | unlabelled |         | 0     |
 | 247055 | null     | null      | null    | unlabelled |         | 0     |
 | 247056 | null     | null      | null    | unlabelled |         | 0     |
 | 247057 | null     | null      | null    | unlabelled |         | 0     |
 | 247058 | null     | null      | null    | unlabelled |         | 0     |
 | 286598 | null     | null      | null    | unlabelled |         | 0     |
 | 286599 | v1:6     | ethernet1 | 1236::3 | 343371     |         | 0     |
 | 286600 | v1:6     | ethernet1 | 1236::3 | 343372     |         | 0     |
 | 286601 | v1:6     | ethernet1 | 1236::3 | 343373     |         | 0     |
 | 286602 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 286603 | null     | null      | null    | unlabelled |         | 0     |
 | 286604 | null     | null      | null    | unlabelled |         | 0     |
 | 286605 | null     | null      | null    | unlabelled |         | 0     |
 | 286606 | null     | null      | null    | unlabelled |         | 0     |
 | 286607 | null     | null      | null    | unlabelled |         | 0     |
 | 332403 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 462595 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 504325 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 712844 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 717843 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 783613 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 929063 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 942220 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#