here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 35380  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 71501  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 99319  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 172302 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 352140 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 398406 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 673585 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 717440 | null     | null      | null    | unlabelled |         | 0     |
 | 717441 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 717442 | v1:4     | ethernet1 | 1.1.1.2 | 945081     |         | 0     |
 | 717443 | v1:4     | ethernet1 | 1.1.1.2 | 945082     |         | 0     |
 | 717444 | v1:4     | ethernet1 | 1.1.1.2 | 945083     |         | 0     |
 | 717445 | null     | null      | null    | unlabelled |         | 0     |
 | 717446 | null     | null      | null    | unlabelled |         | 0     |
 | 717447 | null     | null      | null    | unlabelled |         | 0     |
 | 717448 | null     | null      | null    | unlabelled |         | 0     |
 | 717449 | null     | null      | null    | unlabelled |         | 0     |
 | 800717 | null     | null      | null    | unlabelled |         | 0     |
 | 800718 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 800719 | v1:6     | ethernet1 | 1234::2 | 650058     |         | 0     |
 | 800720 | v1:6     | ethernet1 | 1234::2 | 650059     |         | 0     |
 | 800721 | v1:6     | ethernet1 | 1234::2 | 650060     |         | 0     |
 | 800722 | null     | null      | null    | unlabelled |         | 0     |
 | 800723 | null     | null      | null    | unlabelled |         | 0     |
 | 800724 | null     | null      | null    | unlabelled |         | 0     |
 | 800725 | null     | null      | null    | unlabelled |         | 0     |
 | 800726 | null     | null      | null    | unlabelled |         | 0     |
 | 824825 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 887563 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 937539 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 112001  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 211242  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 349096  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 374759  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 440947  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 516261  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 576094  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 650056  | null     | null      | null    | unlabelled |         | 0     |
 | 650057  | v1:6     | ethernet1 | 1234::1 | 800718     |         | 1280  |
 | 650058  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 650059  | v1:6     | ethernet2 | 1235::3 | 856496     |         | 640   |
 | 650060  | v1:6     | ethernet2 | 1235::3 | 856497     |         | 640   |
 | 650061  | null     | null      | null    | unlabelled |         | 0     |
 | 650062  | null     | null      | null    | unlabelled |         | 0     |
 | 650063  | null     | null      | null    | unlabelled |         | 0     |
 | 650064  | null     | null      | null    | unlabelled |         | 0     |
 | 650065  | null     | null      | null    | unlabelled |         | 0     |
 | 765453  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 945079  | null     | null      | null    | unlabelled |         | 0     |
 | 945080  | v1:4     | ethernet1 | 1.1.1.1 | 717441     |         | 1280  |
 | 945081  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 945082  | v1:4     | ethernet2 | 1.1.2.3 | 200604     |         | 640   |
 | 945083  | v1:4     | ethernet2 | 1.1.2.3 | 200605     |         | 640   |
 | 945084  | null     | null      | null    | unlabelled |         | 0     |
 | 945085  | null     | null      | null    | unlabelled |         | 0     |
 | 945086  | null     | null      | null    | unlabelled |         | 0     |
 | 945087  | null     | null      | null    | unlabelled |         | 0     |
 | 945088  | null     | null      | null    | unlabelled |         | 0     |
 | 946373  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 964318  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 995963  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1010516 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 91749  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 98326  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 200601 | null     | null      | null    | unlabelled |         | 0     |
 | 200602 | v1:4     | ethernet1 | 1.1.2.2 | 945080     |         | 640   |
 | 200603 | v1:4     | ethernet1 | 1.1.2.2 | 945081     |         | 640   |
 | 200604 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 200605 | v1:4     | ethernet2 | 1.1.3.4 | 1041180    |         | 1280  |
 | 200606 | null     | null      | null    | unlabelled |         | 0     |
 | 200607 | null     | null      | null    | unlabelled |         | 0     |
 | 200608 | null     | null      | null    | unlabelled |         | 0     |
 | 200609 | null     | null      | null    | unlabelled |         | 0     |
 | 200610 | null     | null      | null    | unlabelled |         | 0     |
 | 243360 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 303120 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 412515 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 419233 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 523700 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 549429 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 559893 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 729024 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 733033 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 813608 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 856493 | null     | null      | null    | unlabelled |         | 0     |
 | 856494 | v1:6     | ethernet1 | 1235::2 | 650057     |         | 640   |
 | 856495 | v1:6     | ethernet1 | 1235::2 | 650058     |         | 640   |
 | 856496 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 856497 | v1:6     | ethernet2 | 1236::4 | 694516     |         | 1280  |
 | 856498 | null     | null      | null    | unlabelled |         | 0     |
 | 856499 | null     | null      | null    | unlabelled |         | 0     |
 | 856500 | null     | null      | null    | unlabelled |         | 0     |
 | 856501 | null     | null      | null    | unlabelled |         | 0     |
 | 856502 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 229838  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 283238  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 306273  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 314982  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 359124  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 462332  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 484829  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 554941  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 694512  | null     | null      | null    | unlabelled |         | 0     |
 | 694513  | v1:6     | ethernet1 | 1236::3 | 856494     |         | 0     |
 | 694514  | v1:6     | ethernet1 | 1236::3 | 856495     |         | 0     |
 | 694515  | v1:6     | ethernet1 | 1236::3 | 856496     |         | 0     |
 | 694516  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 694517  | null     | null      | null    | unlabelled |         | 0     |
 | 694518  | null     | null      | null    | unlabelled |         | 0     |
 | 694519  | null     | null      | null    | unlabelled |         | 0     |
 | 694520  | null     | null      | null    | unlabelled |         | 0     |
 | 694521  | null     | null      | null    | unlabelled |         | 0     |
 | 974981  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 996294  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1041176 | null     | null      | null    | unlabelled |         | 0     |
 | 1041177 | v1:4     | ethernet1 | 1.1.3.3 | 200602     |         | 0     |
 | 1041178 | v1:4     | ethernet1 | 1.1.3.3 | 200603     |         | 0     |
 | 1041179 | v1:4     | ethernet1 | 1.1.3.3 | 200604     |         | 0     |
 | 1041180 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1041181 | null     | null      | null    | unlabelled |         | 0     |
 | 1041182 | null     | null      | null    | unlabelled |         | 0     |
 | 1041183 | null     | null      | null    | unlabelled |         | 0     |
 | 1041184 | null     | null      | null    | unlabelled |         | 0     |
 | 1041185 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#