here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 69124   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 132935  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 160198  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 364634  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 611190  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 755579  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 758082  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 762603  | null     | null      | null    | unlabelled |         | 0     |
 | 762604  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 762605  | v1:6     | ethernet1 | 1234::2 | 483384     |         | 0     |
 | 762606  | v1:6     | ethernet1 | 1234::2 | 483385     |         | 0     |
 | 762607  | v1:6     | ethernet1 | 1234::2 | 483386     |         | 0     |
 | 762608  | null     | null      | null    | unlabelled |         | 0     |
 | 762609  | null     | null      | null    | unlabelled |         | 0     |
 | 762610  | null     | null      | null    | unlabelled |         | 0     |
 | 762611  | null     | null      | null    | unlabelled |         | 0     |
 | 762612  | null     | null      | null    | unlabelled |         | 0     |
 | 832059  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 906481  | null     | null      | null    | unlabelled |         | 0     |
 | 906482  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 906483  | v1:4     | ethernet1 | 1.1.1.2 | 387972     |         | 0     |
 | 906484  | v1:4     | ethernet1 | 1.1.1.2 | 387973     |         | 0     |
 | 906485  | v1:4     | ethernet1 | 1.1.1.2 | 387974     |         | 0     |
 | 906486  | null     | null      | null    | unlabelled |         | 0     |
 | 906487  | null     | null      | null    | unlabelled |         | 0     |
 | 906488  | null     | null      | null    | unlabelled |         | 0     |
 | 906489  | null     | null      | null    | unlabelled |         | 0     |
 | 906490  | null     | null      | null    | unlabelled |         | 0     |
 | 997838  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1008172 | tester:6 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 34961   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 54189   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 55319   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 266197  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 272995  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 297647  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 384603  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 387970  | null     | null      | null    | unlabelled |         | 0     |
 | 387971  | v1:4     | ethernet1 | 1.1.1.1 | 906482     |         | 1280  |
 | 387972  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 387973  | v1:4     | ethernet2 | 1.1.2.3 | 227069     |         | 640   |
 | 387974  | v1:4     | ethernet2 | 1.1.2.3 | 227070     |         | 640   |
 | 387975  | null     | null      | null    | unlabelled |         | 0     |
 | 387976  | null     | null      | null    | unlabelled |         | 0     |
 | 387977  | null     | null      | null    | unlabelled |         | 0     |
 | 387978  | null     | null      | null    | unlabelled |         | 0     |
 | 387979  | null     | null      | null    | unlabelled |         | 0     |
 | 483382  | null     | null      | null    | unlabelled |         | 0     |
 | 483383  | v1:6     | ethernet1 | 1234::1 | 762604     |         | 1280  |
 | 483384  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 483385  | v1:6     | ethernet2 | 1235::3 | 1238       |         | 640   |
 | 483386  | v1:6     | ethernet2 | 1235::3 | 1239       |         | 640   |
 | 483387  | null     | null      | null    | unlabelled |         | 0     |
 | 483388  | null     | null      | null    | unlabelled |         | 0     |
 | 483389  | null     | null      | null    | unlabelled |         | 0     |
 | 483390  | null     | null      | null    | unlabelled |         | 0     |
 | 483391  | null     | null      | null    | unlabelled |         | 0     |
 | 534949  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 543870  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 908380  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 947416  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1025386 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 1235   | null     | null      | null    | unlabelled |         | 0     |
 | 1236   | v1:6     | ethernet1 | 1235::2 | 483383     |         | 640   |
 | 1237   | v1:6     | ethernet1 | 1235::2 | 483384     |         | 640   |
 | 1238   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1239   | v1:6     | ethernet2 | 1236::4 | 873417     |         | 1280  |
 | 1240   | null     | null      | null    | unlabelled |         | 0     |
 | 1241   | null     | null      | null    | unlabelled |         | 0     |
 | 1242   | null     | null      | null    | unlabelled |         | 0     |
 | 1243   | null     | null      | null    | unlabelled |         | 0     |
 | 1244   | null     | null      | null    | unlabelled |         | 0     |
 | 155299 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 171853 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 216802 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 227066 | null     | null      | null    | unlabelled |         | 0     |
 | 227067 | v1:4     | ethernet1 | 1.1.2.2 | 387971     |         | 640   |
 | 227068 | v1:4     | ethernet1 | 1.1.2.2 | 387972     |         | 640   |
 | 227069 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 227070 | v1:4     | ethernet2 | 1.1.3.4 | 249211     |         | 1280  |
 | 227071 | null     | null      | null    | unlabelled |         | 0     |
 | 227072 | null     | null      | null    | unlabelled |         | 0     |
 | 227073 | null     | null      | null    | unlabelled |         | 0     |
 | 227074 | null     | null      | null    | unlabelled |         | 0     |
 | 227075 | null     | null      | null    | unlabelled |         | 0     |
 | 244009 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 261844 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 338617 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 423141 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 490480 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 693017 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 831552 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 987268 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 991544 | v1:6     | ethernet2 | 1236::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 144702 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 182422 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 249207 | null     | null      | null    | unlabelled |         | 0     |
 | 249208 | v1:4     | ethernet1 | 1.1.3.3 | 227067     |         | 0     |
 | 249209 | v1:4     | ethernet1 | 1.1.3.3 | 227068     |         | 0     |
 | 249210 | v1:4     | ethernet1 | 1.1.3.3 | 227069     |         | 0     |
 | 249211 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 249212 | null     | null      | null    | unlabelled |         | 0     |
 | 249213 | null     | null      | null    | unlabelled |         | 0     |
 | 249214 | null     | null      | null    | unlabelled |         | 0     |
 | 249215 | null     | null      | null    | unlabelled |         | 0     |
 | 249216 | null     | null      | null    | unlabelled |         | 0     |
 | 277707 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 350361 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 580842 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 614661 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 767339 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 797792 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 859040 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 873413 | null     | null      | null    | unlabelled |         | 0     |
 | 873414 | v1:6     | ethernet1 | 1236::3 | 1236       |         | 0     |
 | 873415 | v1:6     | ethernet1 | 1236::3 | 1237       |         | 0     |
 | 873416 | v1:6     | ethernet1 | 1236::3 | 1238       |         | 0     |
 | 873417 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 873418 | null     | null      | null    | unlabelled |         | 0     |
 | 873419 | null     | null      | null    | unlabelled |         | 0     |
 | 873420 | null     | null      | null    | unlabelled |         | 0     |
 | 873421 | null     | null      | null    | unlabelled |         | 0     |
 | 873422 | null     | null      | null    | unlabelled |         | 0     |
 | 972956 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#