here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 31390  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 254715 | null     | null      | null    | unlabelled |         | 0     |
 | 254716 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 254717 | v1:4     | ethernet1 | 1.1.1.2 | 655313     |         | 0     |
 | 254718 | v1:4     | ethernet1 | 1.1.1.2 | 655314     |         | 0     |
 | 254719 | v1:4     | ethernet1 | 1.1.1.2 | 655315     |         | 0     |
 | 254720 | null     | null      | null    | unlabelled |         | 0     |
 | 254721 | null     | null      | null    | unlabelled |         | 0     |
 | 254722 | null     | null      | null    | unlabelled |         | 0     |
 | 254723 | null     | null      | null    | unlabelled |         | 0     |
 | 254724 | null     | null      | null    | unlabelled |         | 0     |
 | 324740 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 385611 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 439567 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 742467 | null     | null      | null    | unlabelled |         | 0     |
 | 742468 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 742469 | v1:6     | ethernet1 | 1234::2 | 582713     |         | 0     |
 | 742470 | v1:6     | ethernet1 | 1234::2 | 582714     |         | 0     |
 | 742471 | v1:6     | ethernet1 | 1234::2 | 582715     |         | 0     |
 | 742472 | null     | null      | null    | unlabelled |         | 0     |
 | 742473 | null     | null      | null    | unlabelled |         | 0     |
 | 742474 | null     | null      | null    | unlabelled |         | 0     |
 | 742475 | null     | null      | null    | unlabelled |         | 0     |
 | 742476 | null     | null      | null    | unlabelled |         | 0     |
 | 776280 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 881177 | v1:6     | ethernet1 | 1234::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 191645 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 203378 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 342714 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 403711 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 582711 | null     | null      | null    | unlabelled |         | 0     |
 | 582712 | v1:6     | ethernet1 | 1234::1 | 742468     |         | 1280  |
 | 582713 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 582714 | v1:6     | ethernet2 | 1235::3 | 968928     |         | 640   |
 | 582715 | v1:6     | ethernet2 | 1235::3 | 968929     |         | 640   |
 | 582716 | null     | null      | null    | unlabelled |         | 0     |
 | 582717 | null     | null      | null    | unlabelled |         | 0     |
 | 582718 | null     | null      | null    | unlabelled |         | 0     |
 | 582719 | null     | null      | null    | unlabelled |         | 0     |
 | 582720 | null     | null      | null    | unlabelled |         | 0     |
 | 611617 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 629920 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 655311 | null     | null      | null    | unlabelled |         | 0     |
 | 655312 | v1:4     | ethernet1 | 1.1.1.1 | 254716     |         | 1280  |
 | 655313 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 655314 | v1:4     | ethernet2 | 1.1.2.3 | 226803     |         | 640   |
 | 655315 | v1:4     | ethernet2 | 1.1.2.3 | 226804     |         | 640   |
 | 655316 | null     | null      | null    | unlabelled |         | 0     |
 | 655317 | null     | null      | null    | unlabelled |         | 0     |
 | 655318 | null     | null      | null    | unlabelled |         | 0     |
 | 655319 | null     | null      | null    | unlabelled |         | 0     |
 | 655320 | null     | null      | null    | unlabelled |         | 0     |
 | 687671 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 819371 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 60068   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 122323  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 159883  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 226800  | null     | null      | null    | unlabelled |         | 0     |
 | 226801  | v1:4     | ethernet1 | 1.1.2.2 | 655312     |         | 640   |
 | 226802  | v1:4     | ethernet1 | 1.1.2.2 | 655313     |         | 640   |
 | 226803  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 226804  | v1:4     | ethernet2 | 1.1.3.4 | 508477     |         | 1280  |
 | 226805  | null     | null      | null    | unlabelled |         | 0     |
 | 226806  | null     | null      | null    | unlabelled |         | 0     |
 | 226807  | null     | null      | null    | unlabelled |         | 0     |
 | 226808  | null     | null      | null    | unlabelled |         | 0     |
 | 226809  | null     | null      | null    | unlabelled |         | 0     |
 | 249043  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 368476  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 795789  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 968925  | null     | null      | null    | unlabelled |         | 0     |
 | 968926  | v1:6     | ethernet1 | 1235::2 | 582712     |         | 640   |
 | 968927  | v1:6     | ethernet1 | 1235::2 | 582713     |         | 640   |
 | 968928  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 968929  | v1:6     | ethernet2 | 1236::4 | 266301     |         | 1280  |
 | 968930  | null     | null      | null    | unlabelled |         | 0     |
 | 968931  | null     | null      | null    | unlabelled |         | 0     |
 | 968932  | null     | null      | null    | unlabelled |         | 0     |
 | 968933  | null     | null      | null    | unlabelled |         | 0     |
 | 968934  | null     | null      | null    | unlabelled |         | 0     |
 | 970647  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1036940 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 215954 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 266297 | null     | null      | null    | unlabelled |         | 0     |
 | 266298 | v1:6     | ethernet1 | 1236::3 | 968926     |         | 0     |
 | 266299 | v1:6     | ethernet1 | 1236::3 | 968927     |         | 0     |
 | 266300 | v1:6     | ethernet1 | 1236::3 | 968928     |         | 0     |
 | 266301 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 266302 | null     | null      | null    | unlabelled |         | 0     |
 | 266303 | null     | null      | null    | unlabelled |         | 0     |
 | 266304 | null     | null      | null    | unlabelled |         | 0     |
 | 266305 | null     | null      | null    | unlabelled |         | 0     |
 | 266306 | null     | null      | null    | unlabelled |         | 0     |
 | 508473 | null     | null      | null    | unlabelled |         | 0     |
 | 508474 | v1:4     | ethernet1 | 1.1.3.3 | 226801     |         | 0     |
 | 508475 | v1:4     | ethernet1 | 1.1.3.3 | 226802     |         | 0     |
 | 508476 | v1:4     | ethernet1 | 1.1.3.3 | 226803     |         | 0     |
 | 508477 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 508478 | null     | null      | null    | unlabelled |         | 0     |
 | 508479 | null     | null      | null    | unlabelled |         | 0     |
 | 508480 | null     | null      | null    | unlabelled |         | 0     |
 | 508481 | null     | null      | null    | unlabelled |         | 0     |
 | 508482 | null     | null      | null    | unlabelled |         | 0     |
 | 560536 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 568070 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 671608 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 749461 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 787033 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#