here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 155856 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 258786 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 390167 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 400467 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 401342 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 405495 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 411673 | null     | null      | null    | unlabelled |         | 0     |
 | 411674 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 411675 | v1:4     | ethernet1 | 1.1.1.2 | 793316     |         | 0     |
 | 411676 | v1:4     | ethernet1 | 1.1.1.2 | 793317     |         | 0     |
 | 411677 | v1:4     | ethernet1 | 1.1.1.2 | 793318     |         | 0     |
 | 411678 | null     | null      | null    | unlabelled |         | 0     |
 | 411679 | null     | null      | null    | unlabelled |         | 0     |
 | 411680 | null     | null      | null    | unlabelled |         | 0     |
 | 411681 | null     | null      | null    | unlabelled |         | 0     |
 | 411682 | null     | null      | null    | unlabelled |         | 0     |
 | 478233 | null     | null      | null    | unlabelled |         | 0     |
 | 478234 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 478235 | v1:6     | ethernet1 | 1234::2 | 373755     |         | 0     |
 | 478236 | v1:6     | ethernet1 | 1234::2 | 373756     |         | 0     |
 | 478237 | v1:6     | ethernet1 | 1234::2 | 373757     |         | 0     |
 | 478238 | null     | null      | null    | unlabelled |         | 0     |
 | 478239 | null     | null      | null    | unlabelled |         | 0     |
 | 478240 | null     | null      | null    | unlabelled |         | 0     |
 | 478241 | null     | null      | null    | unlabelled |         | 0     |
 | 478242 | null     | null      | null    | unlabelled |         | 0     |
 | 758269 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 769617 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 918140 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 924573 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 17754   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 80975   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 282676  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 325367  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 373753  | null     | null      | null    | unlabelled |         | 0     |
 | 373754  | v1:6     | ethernet1 | 1234::1 | 478234     |         | 1280  |
 | 373755  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 373756  | v1:6     | ethernet2 | 1235::3 | 834679     |         | 640   |
 | 373757  | v1:6     | ethernet2 | 1235::3 | 834680     |         | 640   |
 | 373758  | null     | null      | null    | unlabelled |         | 0     |
 | 373759  | null     | null      | null    | unlabelled |         | 0     |
 | 373760  | null     | null      | null    | unlabelled |         | 0     |
 | 373761  | null     | null      | null    | unlabelled |         | 0     |
 | 373762  | null     | null      | null    | unlabelled |         | 0     |
 | 506832  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 557993  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 592201  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 751092  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 776842  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 793314  | null     | null      | null    | unlabelled |         | 0     |
 | 793315  | v1:4     | ethernet1 | 1.1.1.1 | 411674     |         | 1280  |
 | 793316  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 793317  | v1:4     | ethernet2 | 1.1.2.3 | 255834     |         | 640   |
 | 793318  | v1:4     | ethernet2 | 1.1.2.3 | 255835     |         | 640   |
 | 793319  | null     | null      | null    | unlabelled |         | 0     |
 | 793320  | null     | null      | null    | unlabelled |         | 0     |
 | 793321  | null     | null      | null    | unlabelled |         | 0     |
 | 793322  | null     | null      | null    | unlabelled |         | 0     |
 | 793323  | null     | null      | null    | unlabelled |         | 0     |
 | 827510  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 993325  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 1002983 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 191032 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 255831 | null     | null      | null    | unlabelled |         | 0     |
 | 255832 | v1:4     | ethernet1 | 1.1.2.2 | 793315     |         | 640   |
 | 255833 | v1:4     | ethernet1 | 1.1.2.2 | 793316     |         | 640   |
 | 255834 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 255835 | v1:4     | ethernet2 | 1.1.3.4 | 141829     |         | 1280  |
 | 255836 | null     | null      | null    | unlabelled |         | 0     |
 | 255837 | null     | null      | null    | unlabelled |         | 0     |
 | 255838 | null     | null      | null    | unlabelled |         | 0     |
 | 255839 | null     | null      | null    | unlabelled |         | 0     |
 | 255840 | null     | null      | null    | unlabelled |         | 0     |
 | 391180 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 395053 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 456551 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 477093 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 533532 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 551576 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 590265 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 772218 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 832908 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 834634 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 834676 | null     | null      | null    | unlabelled |         | 0     |
 | 834677 | v1:6     | ethernet1 | 1235::2 | 373754     |         | 640   |
 | 834678 | v1:6     | ethernet1 | 1235::2 | 373755     |         | 640   |
 | 834679 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 834680 | v1:6     | ethernet2 | 1236::4 | 784638     |         | 1280  |
 | 834681 | null     | null      | null    | unlabelled |         | 0     |
 | 834682 | null     | null      | null    | unlabelled |         | 0     |
 | 834683 | null     | null      | null    | unlabelled |         | 0     |
 | 834684 | null     | null      | null    | unlabelled |         | 0     |
 | 834685 | null     | null      | null    | unlabelled |         | 0     |
 | 928485 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 42705   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 117029  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 141825  | null     | null      | null    | unlabelled |         | 0     |
 | 141826  | v1:4     | ethernet1 | 1.1.3.3 | 255832     |         | 0     |
 | 141827  | v1:4     | ethernet1 | 1.1.3.3 | 255833     |         | 0     |
 | 141828  | v1:4     | ethernet1 | 1.1.3.3 | 255834     |         | 0     |
 | 141829  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 141830  | null     | null      | null    | unlabelled |         | 0     |
 | 141831  | null     | null      | null    | unlabelled |         | 0     |
 | 141832  | null     | null      | null    | unlabelled |         | 0     |
 | 141833  | null     | null      | null    | unlabelled |         | 0     |
 | 141834  | null     | null      | null    | unlabelled |         | 0     |
 | 176327  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 262762  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 307455  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 551873  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 755698  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 760844  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 784634  | null     | null      | null    | unlabelled |         | 0     |
 | 784635  | v1:6     | ethernet1 | 1236::3 | 834677     |         | 0     |
 | 784636  | v1:6     | ethernet1 | 1236::3 | 834678     |         | 0     |
 | 784637  | v1:6     | ethernet1 | 1236::3 | 834679     |         | 0     |
 | 784638  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 784639  | null     | null      | null    | unlabelled |         | 0     |
 | 784640  | null     | null      | null    | unlabelled |         | 0     |
 | 784641  | null     | null      | null    | unlabelled |         | 0     |
 | 784642  | null     | null      | null    | unlabelled |         | 0     |
 | 784643  | null     | null      | null    | unlabelled |         | 0     |
 | 836385  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1014562 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#