here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 277323 | null     | null      | null    | unlabelled |         | 0     |
 | 277324 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 277325 | v1:6     | ethernet1 | 1234::2 | 608388     |         | 0     |
 | 277326 | v1:6     | ethernet1 | 1234::2 | 608389     |         | 0     |
 | 277327 | v1:6     | ethernet1 | 1234::2 | 608390     |         | 0     |
 | 277328 | null     | null      | null    | unlabelled |         | 0     |
 | 277329 | null     | null      | null    | unlabelled |         | 0     |
 | 277330 | null     | null      | null    | unlabelled |         | 0     |
 | 277331 | null     | null      | null    | unlabelled |         | 0     |
 | 277332 | null     | null      | null    | unlabelled |         | 0     |
 | 411654 | null     | null      | null    | unlabelled |         | 0     |
 | 411655 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 411656 | v1:4     | ethernet1 | 1.1.1.2 | 564494     |         | 0     |
 | 411657 | v1:4     | ethernet1 | 1.1.1.2 | 564495     |         | 0     |
 | 411658 | v1:4     | ethernet1 | 1.1.1.2 | 564496     |         | 0     |
 | 411659 | null     | null      | null    | unlabelled |         | 0     |
 | 411660 | null     | null      | null    | unlabelled |         | 0     |
 | 411661 | null     | null      | null    | unlabelled |         | 0     |
 | 411662 | null     | null      | null    | unlabelled |         | 0     |
 | 411663 | null     | null      | null    | unlabelled |         | 0     |
 | 414482 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 443459 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 499994 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 630579 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 677999 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 926158 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 144766 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 175972 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 278326 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 508631 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 526880 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 564492 | null     | null      | null    | unlabelled |         | 0     |
 | 564493 | v1:4     | ethernet1 | 1.1.1.1 | 411655     |         | 1280  |
 | 564494 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 564495 | v1:4     | ethernet2 | 1.1.2.3 | 549326     |         | 640   |
 | 564496 | v1:4     | ethernet2 | 1.1.2.3 | 549327     |         | 640   |
 | 564497 | null     | null      | null    | unlabelled |         | 0     |
 | 564498 | null     | null      | null    | unlabelled |         | 0     |
 | 564499 | null     | null      | null    | unlabelled |         | 0     |
 | 564500 | null     | null      | null    | unlabelled |         | 0     |
 | 564501 | null     | null      | null    | unlabelled |         | 0     |
 | 608386 | null     | null      | null    | unlabelled |         | 0     |
 | 608387 | v1:6     | ethernet1 | 1234::1 | 277324     |         | 1280  |
 | 608388 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 608389 | v1:6     | ethernet2 | 1235::3 | 843104     |         | 640   |
 | 608390 | v1:6     | ethernet2 | 1235::3 | 843105     |         | 640   |
 | 608391 | null     | null      | null    | unlabelled |         | 0     |
 | 608392 | null     | null      | null    | unlabelled |         | 0     |
 | 608393 | null     | null      | null    | unlabelled |         | 0     |
 | 608394 | null     | null      | null    | unlabelled |         | 0     |
 | 608395 | null     | null      | null    | unlabelled |         | 0     |
 | 697997 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 817474 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 974878 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 184077 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 187784 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 260804 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 345893 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 549323 | null     | null      | null    | unlabelled |         | 0     |
 | 549324 | v1:4     | ethernet1 | 1.1.2.2 | 564493     |         | 640   |
 | 549325 | v1:4     | ethernet1 | 1.1.2.2 | 564494     |         | 640   |
 | 549326 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 549327 | v1:4     | ethernet2 | 1.1.3.4 | 951194     |         | 1280  |
 | 549328 | null     | null      | null    | unlabelled |         | 0     |
 | 549329 | null     | null      | null    | unlabelled |         | 0     |
 | 549330 | null     | null      | null    | unlabelled |         | 0     |
 | 549331 | null     | null      | null    | unlabelled |         | 0     |
 | 549332 | null     | null      | null    | unlabelled |         | 0     |
 | 650649 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 679002 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 843101 | null     | null      | null    | unlabelled |         | 0     |
 | 843102 | v1:6     | ethernet1 | 1235::2 | 608387     |         | 640   |
 | 843103 | v1:6     | ethernet1 | 1235::2 | 608388     |         | 640   |
 | 843104 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 843105 | v1:6     | ethernet2 | 1236::4 | 863801     |         | 1280  |
 | 843106 | null     | null      | null    | unlabelled |         | 0     |
 | 843107 | null     | null      | null    | unlabelled |         | 0     |
 | 843108 | null     | null      | null    | unlabelled |         | 0     |
 | 843109 | null     | null      | null    | unlabelled |         | 0     |
 | 843110 | null     | null      | null    | unlabelled |         | 0     |
 | 958656 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 972680 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 246890  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 545610  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 632079  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 863797  | null     | null      | null    | unlabelled |         | 0     |
 | 863798  | v1:6     | ethernet1 | 1236::3 | 843102     |         | 0     |
 | 863799  | v1:6     | ethernet1 | 1236::3 | 843103     |         | 0     |
 | 863800  | v1:6     | ethernet1 | 1236::3 | 843104     |         | 0     |
 | 863801  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 863802  | null     | null      | null    | unlabelled |         | 0     |
 | 863803  | null     | null      | null    | unlabelled |         | 0     |
 | 863804  | null     | null      | null    | unlabelled |         | 0     |
 | 863805  | null     | null      | null    | unlabelled |         | 0     |
 | 863806  | null     | null      | null    | unlabelled |         | 0     |
 | 907755  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 939576  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 951190  | null     | null      | null    | unlabelled |         | 0     |
 | 951191  | v1:4     | ethernet1 | 1.1.3.3 | 549324     |         | 0     |
 | 951192  | v1:4     | ethernet1 | 1.1.3.3 | 549325     |         | 0     |
 | 951193  | v1:4     | ethernet1 | 1.1.3.3 | 549326     |         | 0     |
 | 951194  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 951195  | null     | null      | null    | unlabelled |         | 0     |
 | 951196  | null     | null      | null    | unlabelled |         | 0     |
 | 951197  | null     | null      | null    | unlabelled |         | 0     |
 | 951198  | null     | null      | null    | unlabelled |         | 0     |
 | 951199  | null     | null      | null    | unlabelled |         | 0     |
 | 1019323 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#