here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 123370  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 368271  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 382719  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 439040  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 481352  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 530006  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 537902  | null     | null      | null    | unlabelled |         | 0     |
 | 537903  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 537904  | v1:6     | ethernet1 | 1234::2 | 378463     |         | 0     |
 | 537905  | v1:6     | ethernet1 | 1234::2 | 378464     |         | 0     |
 | 537906  | v1:6     | ethernet1 | 1234::2 | 378465     |         | 0     |
 | 537907  | null     | null      | null    | unlabelled |         | 0     |
 | 537908  | null     | null      | null    | unlabelled |         | 0     |
 | 537909  | null     | null      | null    | unlabelled |         | 0     |
 | 537910  | null     | null      | null    | unlabelled |         | 0     |
 | 537911  | null     | null      | null    | unlabelled |         | 0     |
 | 564782  | null     | null      | null    | unlabelled |         | 0     |
 | 564783  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 564784  | v1:4     | ethernet1 | 1.1.1.2 | 240361     |         | 0     |
 | 564785  | v1:4     | ethernet1 | 1.1.1.2 | 240362     |         | 0     |
 | 564786  | v1:4     | ethernet1 | 1.1.1.2 | 240363     |         | 0     |
 | 564787  | null     | null      | null    | unlabelled |         | 0     |
 | 564788  | null     | null      | null    | unlabelled |         | 0     |
 | 564789  | null     | null      | null    | unlabelled |         | 0     |
 | 564790  | null     | null      | null    | unlabelled |         | 0     |
 | 564791  | null     | null      | null    | unlabelled |         | 0     |
 | 650056  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 724304  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 955372  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1004790 | tester:4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 222674  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 231491  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 240359  | null     | null      | null    | unlabelled |         | 0     |
 | 240360  | v1:4     | ethernet1 | 1.1.1.1 | 564783     |         | 1280  |
 | 240361  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 240362  | v1:4     | ethernet2 | 1.1.2.3 | 375070     |         | 640   |
 | 240363  | v1:4     | ethernet2 | 1.1.2.3 | 375071     |         | 640   |
 | 240364  | null     | null      | null    | unlabelled |         | 0     |
 | 240365  | null     | null      | null    | unlabelled |         | 0     |
 | 240366  | null     | null      | null    | unlabelled |         | 0     |
 | 240367  | null     | null      | null    | unlabelled |         | 0     |
 | 240368  | null     | null      | null    | unlabelled |         | 0     |
 | 255682  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 325317  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 378461  | null     | null      | null    | unlabelled |         | 0     |
 | 378462  | v1:6     | ethernet1 | 1234::1 | 537903     |         | 1280  |
 | 378463  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 378464  | v1:6     | ethernet2 | 1235::3 | 608763     |         | 640   |
 | 378465  | v1:6     | ethernet2 | 1235::3 | 608764     |         | 640   |
 | 378466  | null     | null      | null    | unlabelled |         | 0     |
 | 378467  | null     | null      | null    | unlabelled |         | 0     |
 | 378468  | null     | null      | null    | unlabelled |         | 0     |
 | 378469  | null     | null      | null    | unlabelled |         | 0     |
 | 378470  | null     | null      | null    | unlabelled |         | 0     |
 | 548800  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 602598  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 727822  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 734226  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 790829  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 871813  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 880843  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1027874 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 206148 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 257484 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 361795 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 375067 | null     | null      | null    | unlabelled |         | 0     |
 | 375068 | v1:4     | ethernet1 | 1.1.2.2 | 240360     |         | 640   |
 | 375069 | v1:4     | ethernet1 | 1.1.2.2 | 240361     |         | 640   |
 | 375070 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 375071 | v1:4     | ethernet2 | 1.1.3.4 | 161456     |         | 1280  |
 | 375072 | null     | null      | null    | unlabelled |         | 0     |
 | 375073 | null     | null      | null    | unlabelled |         | 0     |
 | 375074 | null     | null      | null    | unlabelled |         | 0     |
 | 375075 | null     | null      | null    | unlabelled |         | 0     |
 | 375076 | null     | null      | null    | unlabelled |         | 0     |
 | 406226 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 425171 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 456955 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 608760 | null     | null      | null    | unlabelled |         | 0     |
 | 608761 | v1:6     | ethernet1 | 1235::2 | 378462     |         | 640   |
 | 608762 | v1:6     | ethernet1 | 1235::2 | 378463     |         | 640   |
 | 608763 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 608764 | v1:6     | ethernet2 | 1236::4 | 651943     |         | 1280  |
 | 608765 | null     | null      | null    | unlabelled |         | 0     |
 | 608766 | null     | null      | null    | unlabelled |         | 0     |
 | 608767 | null     | null      | null    | unlabelled |         | 0     |
 | 608768 | null     | null      | null    | unlabelled |         | 0     |
 | 608769 | null     | null      | null    | unlabelled |         | 0     |
 | 652181 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 694539 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 730225 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 834769 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 898626 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 931597 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 117113  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 161452  | null     | null      | null    | unlabelled |         | 0     |
 | 161453  | v1:4     | ethernet1 | 1.1.3.3 | 375068     |         | 0     |
 | 161454  | v1:4     | ethernet1 | 1.1.3.3 | 375069     |         | 0     |
 | 161455  | v1:4     | ethernet1 | 1.1.3.3 | 375070     |         | 0     |
 | 161456  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 161457  | null     | null      | null    | unlabelled |         | 0     |
 | 161458  | null     | null      | null    | unlabelled |         | 0     |
 | 161459  | null     | null      | null    | unlabelled |         | 0     |
 | 161460  | null     | null      | null    | unlabelled |         | 0     |
 | 161461  | null     | null      | null    | unlabelled |         | 0     |
 | 205147  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 214453  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 257673  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 336130  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 400912  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 651939  | null     | null      | null    | unlabelled |         | 0     |
 | 651940  | v1:6     | ethernet1 | 1236::3 | 608761     |         | 0     |
 | 651941  | v1:6     | ethernet1 | 1236::3 | 608762     |         | 0     |
 | 651942  | v1:6     | ethernet1 | 1236::3 | 608763     |         | 0     |
 | 651943  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 651944  | null     | null      | null    | unlabelled |         | 0     |
 | 651945  | null     | null      | null    | unlabelled |         | 0     |
 | 651946  | null     | null      | null    | unlabelled |         | 0     |
 | 651947  | null     | null      | null    | unlabelled |         | 0     |
 | 651948  | null     | null      | null    | unlabelled |         | 0     |
 | 816307  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 831116  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 938202  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 1030513 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#