here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 140446 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 449985 | null     | null      | null    | unlabelled |         | 0     |
 | 449986 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 449987 | v1:6     | ethernet1 | 1234::2 | 569408     |         | 0     |
 | 449988 | v1:6     | ethernet1 | 1234::2 | 569409     |         | 0     |
 | 449989 | v1:6     | ethernet1 | 1234::2 | 569410     |         | 0     |
 | 449990 | null     | null      | null    | unlabelled |         | 0     |
 | 449991 | null     | null      | null    | unlabelled |         | 0     |
 | 449992 | null     | null      | null    | unlabelled |         | 0     |
 | 449993 | null     | null      | null    | unlabelled |         | 0     |
 | 449994 | null     | null      | null    | unlabelled |         | 0     |
 | 685561 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 717084 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 801347 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 864257 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 902596 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 998218 | null     | null      | null    | unlabelled |         | 0     |
 | 998219 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 998220 | v1:4     | ethernet1 | 1.1.1.2 | 140404     |         | 0     |
 | 998221 | v1:4     | ethernet1 | 1.1.1.2 | 140405     |         | 0     |
 | 998222 | v1:4     | ethernet1 | 1.1.1.2 | 140406     |         | 0     |
 | 998223 | null     | null      | null    | unlabelled |         | 0     |
 | 998224 | null     | null      | null    | unlabelled |         | 0     |
 | 998225 | null     | null      | null    | unlabelled |         | 0     |
 | 998226 | null     | null      | null    | unlabelled |         | 0     |
 | 998227 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 15217  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 82221  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 89751  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 140402 | null     | null      | null    | unlabelled |         | 0     |
 | 140403 | v1:4     | ethernet1 | 1.1.1.1 | 998219     |         | 1280  |
 | 140404 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 140405 | v1:4     | ethernet2 | 1.1.2.3 | 923979     |         | 640   |
 | 140406 | v1:4     | ethernet2 | 1.1.2.3 | 923980     |         | 640   |
 | 140407 | null     | null      | null    | unlabelled |         | 0     |
 | 140408 | null     | null      | null    | unlabelled |         | 0     |
 | 140409 | null     | null      | null    | unlabelled |         | 0     |
 | 140410 | null     | null      | null    | unlabelled |         | 0     |
 | 140411 | null     | null      | null    | unlabelled |         | 0     |
 | 282718 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 415239 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 455730 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 498355 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 569406 | null     | null      | null    | unlabelled |         | 0     |
 | 569407 | v1:6     | ethernet1 | 1234::1 | 449986     |         | 1280  |
 | 569408 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 569409 | v1:6     | ethernet2 | 1235::3 | 138207     |         | 640   |
 | 569410 | v1:6     | ethernet2 | 1235::3 | 138208     |         | 640   |
 | 569411 | null     | null      | null    | unlabelled |         | 0     |
 | 569412 | null     | null      | null    | unlabelled |         | 0     |
 | 569413 | null     | null      | null    | unlabelled |         | 0     |
 | 569414 | null     | null      | null    | unlabelled |         | 0     |
 | 569415 | null     | null      | null    | unlabelled |         | 0     |
 | 934315 | tester:4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 138204 | null     | null      | null    | unlabelled |         | 0     |
 | 138205 | v1:6     | ethernet1 | 1235::2 | 569407     |         | 640   |
 | 138206 | v1:6     | ethernet1 | 1235::2 | 569408     |         | 640   |
 | 138207 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 138208 | v1:6     | ethernet2 | 1236::4 | 187767     |         | 1280  |
 | 138209 | null     | null      | null    | unlabelled |         | 0     |
 | 138210 | null     | null      | null    | unlabelled |         | 0     |
 | 138211 | null     | null      | null    | unlabelled |         | 0     |
 | 138212 | null     | null      | null    | unlabelled |         | 0     |
 | 138213 | null     | null      | null    | unlabelled |         | 0     |
 | 153907 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 355148 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 380833 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 405189 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 430596 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 496511 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 640332 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 922367 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 923976 | null     | null      | null    | unlabelled |         | 0     |
 | 923977 | v1:4     | ethernet1 | 1.1.2.2 | 140403     |         | 640   |
 | 923978 | v1:4     | ethernet1 | 1.1.2.2 | 140404     |         | 640   |
 | 923979 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 923980 | v1:4     | ethernet2 | 1.1.3.4 | 296046     |         | 1280  |
 | 923981 | null     | null      | null    | unlabelled |         | 0     |
 | 923982 | null     | null      | null    | unlabelled |         | 0     |
 | 923983 | null     | null      | null    | unlabelled |         | 0     |
 | 923984 | null     | null      | null    | unlabelled |         | 0     |
 | 923985 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 187763  | null     | null      | null    | unlabelled |         | 0     |
 | 187764  | v1:6     | ethernet1 | 1236::3 | 138205     |         | 0     |
 | 187765  | v1:6     | ethernet1 | 1236::3 | 138206     |         | 0     |
 | 187766  | v1:6     | ethernet1 | 1236::3 | 138207     |         | 0     |
 | 187767  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 187768  | null     | null      | null    | unlabelled |         | 0     |
 | 187769  | null     | null      | null    | unlabelled |         | 0     |
 | 187770  | null     | null      | null    | unlabelled |         | 0     |
 | 187771  | null     | null      | null    | unlabelled |         | 0     |
 | 187772  | null     | null      | null    | unlabelled |         | 0     |
 | 296042  | null     | null      | null    | unlabelled |         | 0     |
 | 296043  | v1:4     | ethernet1 | 1.1.3.3 | 923977     |         | 0     |
 | 296044  | v1:4     | ethernet1 | 1.1.3.3 | 923978     |         | 0     |
 | 296045  | v1:4     | ethernet1 | 1.1.3.3 | 923979     |         | 0     |
 | 296046  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 296047  | null     | null      | null    | unlabelled |         | 0     |
 | 296048  | null     | null      | null    | unlabelled |         | 0     |
 | 296049  | null     | null      | null    | unlabelled |         | 0     |
 | 296050  | null     | null      | null    | unlabelled |         | 0     |
 | 296051  | null     | null      | null    | unlabelled |         | 0     |
 | 359970  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 428788  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 579259  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 951150  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 998606  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1033881 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#