here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 60665  | null     | null      | null    | unlabelled |         | 0     |
 | 60666  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 60667  | v1:6     | ethernet1 | 1234::2 | 14158      |         | 0     |
 | 60668  | v1:6     | ethernet1 | 1234::2 | 14159      |         | 0     |
 | 60669  | v1:6     | ethernet1 | 1234::2 | 14160      |         | 0     |
 | 60670  | null     | null      | null    | unlabelled |         | 0     |
 | 60671  | null     | null      | null    | unlabelled |         | 0     |
 | 60672  | null     | null      | null    | unlabelled |         | 0     |
 | 60673  | null     | null      | null    | unlabelled |         | 0     |
 | 60674  | null     | null      | null    | unlabelled |         | 0     |
 | 327177 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 334774 | null     | null      | null    | unlabelled |         | 0     |
 | 334775 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 334776 | v1:4     | ethernet1 | 1.1.1.2 | 595013     |         | 0     |
 | 334777 | v1:4     | ethernet1 | 1.1.1.2 | 595014     |         | 0     |
 | 334778 | v1:4     | ethernet1 | 1.1.1.2 | 595015     |         | 0     |
 | 334779 | null     | null      | null    | unlabelled |         | 0     |
 | 334780 | null     | null      | null    | unlabelled |         | 0     |
 | 334781 | null     | null      | null    | unlabelled |         | 0     |
 | 334782 | null     | null      | null    | unlabelled |         | 0     |
 | 334783 | null     | null      | null    | unlabelled |         | 0     |
 | 626495 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 632585 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 885591 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 907427 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 943426 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 14156   | null     | null      | null    | unlabelled |         | 0     |
 | 14157   | v1:6     | ethernet1 | 1234::1 | 60666      |         | 1280  |
 | 14158   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 14159   | v1:6     | ethernet2 | 1235::3 | 297125     |         | 640   |
 | 14160   | v1:6     | ethernet2 | 1235::3 | 297126     |         | 640   |
 | 14161   | null     | null      | null    | unlabelled |         | 0     |
 | 14162   | null     | null      | null    | unlabelled |         | 0     |
 | 14163   | null     | null      | null    | unlabelled |         | 0     |
 | 14164   | null     | null      | null    | unlabelled |         | 0     |
 | 14165   | null     | null      | null    | unlabelled |         | 0     |
 | 158923  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 253959  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 507403  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 595011  | null     | null      | null    | unlabelled |         | 0     |
 | 595012  | v1:4     | ethernet1 | 1.1.1.1 | 334775     |         | 1280  |
 | 595013  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 595014  | v1:4     | ethernet2 | 1.1.2.3 | 184830     |         | 640   |
 | 595015  | v1:4     | ethernet2 | 1.1.2.3 | 184831     |         | 640   |
 | 595016  | null     | null      | null    | unlabelled |         | 0     |
 | 595017  | null     | null      | null    | unlabelled |         | 0     |
 | 595018  | null     | null      | null    | unlabelled |         | 0     |
 | 595019  | null     | null      | null    | unlabelled |         | 0     |
 | 595020  | null     | null      | null    | unlabelled |         | 0     |
 | 694945  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 870800  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 952421  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 983068  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1034306 | v1:4     | ethernet2 | 1.1.2.3 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 71021  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 129196 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 184827 | null     | null      | null    | unlabelled |         | 0     |
 | 184828 | v1:4     | ethernet1 | 1.1.2.2 | 595012     |         | 640   |
 | 184829 | v1:4     | ethernet1 | 1.1.2.2 | 595013     |         | 640   |
 | 184830 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 184831 | v1:4     | ethernet2 | 1.1.3.4 | 626301     |         | 1280  |
 | 184832 | null     | null      | null    | unlabelled |         | 0     |
 | 184833 | null     | null      | null    | unlabelled |         | 0     |
 | 184834 | null     | null      | null    | unlabelled |         | 0     |
 | 184835 | null     | null      | null    | unlabelled |         | 0     |
 | 184836 | null     | null      | null    | unlabelled |         | 0     |
 | 225034 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 264140 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 297122 | null     | null      | null    | unlabelled |         | 0     |
 | 297123 | v1:6     | ethernet1 | 1235::2 | 14157      |         | 640   |
 | 297124 | v1:6     | ethernet1 | 1235::2 | 14158      |         | 640   |
 | 297125 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 297126 | v1:6     | ethernet2 | 1236::4 | 729608     |         | 1280  |
 | 297127 | null     | null      | null    | unlabelled |         | 0     |
 | 297128 | null     | null      | null    | unlabelled |         | 0     |
 | 297129 | null     | null      | null    | unlabelled |         | 0     |
 | 297130 | null     | null      | null    | unlabelled |         | 0     |
 | 297131 | null     | null      | null    | unlabelled |         | 0     |
 | 305683 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 413688 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 728545 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 870268 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 505345  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 626297  | null     | null      | null    | unlabelled |         | 0     |
 | 626298  | v1:4     | ethernet1 | 1.1.3.3 | 184828     |         | 0     |
 | 626299  | v1:4     | ethernet1 | 1.1.3.3 | 184829     |         | 0     |
 | 626300  | v1:4     | ethernet1 | 1.1.3.3 | 184830     |         | 0     |
 | 626301  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 626302  | null     | null      | null    | unlabelled |         | 0     |
 | 626303  | null     | null      | null    | unlabelled |         | 0     |
 | 626304  | null     | null      | null    | unlabelled |         | 0     |
 | 626305  | null     | null      | null    | unlabelled |         | 0     |
 | 626306  | null     | null      | null    | unlabelled |         | 0     |
 | 667909  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 729604  | null     | null      | null    | unlabelled |         | 0     |
 | 729605  | v1:6     | ethernet1 | 1236::3 | 297123     |         | 0     |
 | 729606  | v1:6     | ethernet1 | 1236::3 | 297124     |         | 0     |
 | 729607  | v1:6     | ethernet1 | 1236::3 | 297125     |         | 0     |
 | 729608  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 729609  | null     | null      | null    | unlabelled |         | 0     |
 | 729610  | null     | null      | null    | unlabelled |         | 0     |
 | 729611  | null     | null      | null    | unlabelled |         | 0     |
 | 729612  | null     | null      | null    | unlabelled |         | 0     |
 | 729613  | null     | null      | null    | unlabelled |         | 0     |
 | 743615  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 839417  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 855088  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1031237 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#