here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43229  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 54576  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 266184 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 338369 | null     | null      | null    | unlabelled |         | 0     |
 | 338370 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 338371 | v1:4     | ethernet1 | 1.1.1.2 | 251282     |         | 0     |
 | 338372 | v1:4     | ethernet1 | 1.1.1.2 | 251283     |         | 0     |
 | 338373 | v1:4     | ethernet1 | 1.1.1.2 | 251284     |         | 0     |
 | 338374 | null     | null      | null    | unlabelled |         | 0     |
 | 338375 | null     | null      | null    | unlabelled |         | 0     |
 | 338376 | null     | null      | null    | unlabelled |         | 0     |
 | 338377 | null     | null      | null    | unlabelled |         | 0     |
 | 338378 | null     | null      | null    | unlabelled |         | 0     |
 | 433308 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 673445 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 760271 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 952273 | null     | null      | null    | unlabelled |         | 0     |
 | 952274 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 952275 | v1:6     | ethernet1 | 1234::2 | 912283     |         | 0     |
 | 952276 | v1:6     | ethernet1 | 1234::2 | 912284     |         | 0     |
 | 952277 | v1:6     | ethernet1 | 1234::2 | 912285     |         | 0     |
 | 952278 | null     | null      | null    | unlabelled |         | 0     |
 | 952279 | null     | null      | null    | unlabelled |         | 0     |
 | 952280 | null     | null      | null    | unlabelled |         | 0     |
 | 952281 | null     | null      | null    | unlabelled |         | 0     |
 | 952282 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 50491   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 251280  | null     | null      | null    | unlabelled |         | 0     |
 | 251281  | v1:4     | ethernet1 | 1.1.1.1 | 338370     |         | 1280  |
 | 251282  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 251283  | v1:4     | ethernet2 | 1.1.2.3 | 29401      |         | 640   |
 | 251284  | v1:4     | ethernet2 | 1.1.2.3 | 29402      |         | 640   |
 | 251285  | null     | null      | null    | unlabelled |         | 0     |
 | 251286  | null     | null      | null    | unlabelled |         | 0     |
 | 251287  | null     | null      | null    | unlabelled |         | 0     |
 | 251288  | null     | null      | null    | unlabelled |         | 0     |
 | 251289  | null     | null      | null    | unlabelled |         | 0     |
 | 283992  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 298303  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 427899  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 468085  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 572488  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 912281  | null     | null      | null    | unlabelled |         | 0     |
 | 912282  | v1:6     | ethernet1 | 1234::1 | 952274     |         | 1280  |
 | 912283  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 912284  | v1:6     | ethernet2 | 1235::3 | 172731     |         | 640   |
 | 912285  | v1:6     | ethernet2 | 1235::3 | 172732     |         | 640   |
 | 912286  | null     | null      | null    | unlabelled |         | 0     |
 | 912287  | null     | null      | null    | unlabelled |         | 0     |
 | 912288  | null     | null      | null    | unlabelled |         | 0     |
 | 912289  | null     | null      | null    | unlabelled |         | 0     |
 | 912290  | null     | null      | null    | unlabelled |         | 0     |
 | 951523  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1022602 | v1:6     | ethernet2 | 1235::3 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 29398   | null     | null      | null    | unlabelled |         | 0     |
 | 29399   | v1:4     | ethernet1 | 1.1.2.2 | 251281     |         | 640   |
 | 29400   | v1:4     | ethernet1 | 1.1.2.2 | 251282     |         | 640   |
 | 29401   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 29402   | v1:4     | ethernet2 | 1.1.3.4 | 608715     |         | 1280  |
 | 29403   | null     | null      | null    | unlabelled |         | 0     |
 | 29404   | null     | null      | null    | unlabelled |         | 0     |
 | 29405   | null     | null      | null    | unlabelled |         | 0     |
 | 29406   | null     | null      | null    | unlabelled |         | 0     |
 | 29407   | null     | null      | null    | unlabelled |         | 0     |
 | 172728  | null     | null      | null    | unlabelled |         | 0     |
 | 172729  | v1:6     | ethernet1 | 1235::2 | 912282     |         | 640   |
 | 172730  | v1:6     | ethernet1 | 1235::2 | 912283     |         | 640   |
 | 172731  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 172732  | v1:6     | ethernet2 | 1236::4 | 507607     |         | 1280  |
 | 172733  | null     | null      | null    | unlabelled |         | 0     |
 | 172734  | null     | null      | null    | unlabelled |         | 0     |
 | 172735  | null     | null      | null    | unlabelled |         | 0     |
 | 172736  | null     | null      | null    | unlabelled |         | 0     |
 | 172737  | null     | null      | null    | unlabelled |         | 0     |
 | 286797  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 357457  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 438506  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 443511  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 522828  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 565415  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 717889  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 1014989 | v1:4     | ethernet1 | 1.1.2.2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 177221 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 409824 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 507603 | null     | null      | null    | unlabelled |         | 0     |
 | 507604 | v1:6     | ethernet1 | 1236::3 | 172729     |         | 0     |
 | 507605 | v1:6     | ethernet1 | 1236::3 | 172730     |         | 0     |
 | 507606 | v1:6     | ethernet1 | 1236::3 | 172731     |         | 0     |
 | 507607 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 507608 | null     | null      | null    | unlabelled |         | 0     |
 | 507609 | null     | null      | null    | unlabelled |         | 0     |
 | 507610 | null     | null      | null    | unlabelled |         | 0     |
 | 507611 | null     | null      | null    | unlabelled |         | 0     |
 | 507612 | null     | null      | null    | unlabelled |         | 0     |
 | 520264 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 575718 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 600523 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 608711 | null     | null      | null    | unlabelled |         | 0     |
 | 608712 | v1:4     | ethernet1 | 1.1.3.3 | 29399      |         | 0     |
 | 608713 | v1:4     | ethernet1 | 1.1.3.3 | 29400      |         | 0     |
 | 608714 | v1:4     | ethernet1 | 1.1.3.3 | 29401      |         | 0     |
 | 608715 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 608716 | null     | null      | null    | unlabelled |         | 0     |
 | 608717 | null     | null      | null    | unlabelled |         | 0     |
 | 608718 | null     | null      | null    | unlabelled |         | 0     |
 | 608719 | null     | null      | null    | unlabelled |         | 0     |
 | 608720 | null     | null      | null    | unlabelled |         | 0     |
 | 950617 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#