here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 4362    | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 431921  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 464606  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 580493  | null     | null      | null    | unlabelled |         | 0     |
 | 580494  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 580495  | v1:6     | ethernet1 | 1234::2 | 442335     |         | 0     |
 | 580496  | v1:6     | ethernet1 | 1234::2 | 442336     |         | 0     |
 | 580497  | v1:6     | ethernet1 | 1234::2 | 442337     |         | 0     |
 | 580498  | null     | null      | null    | unlabelled |         | 0     |
 | 580499  | null     | null      | null    | unlabelled |         | 0     |
 | 580500  | null     | null      | null    | unlabelled |         | 0     |
 | 580501  | null     | null      | null    | unlabelled |         | 0     |
 | 580502  | null     | null      | null    | unlabelled |         | 0     |
 | 743939  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 972076  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 980986  | null     | null      | null    | unlabelled |         | 0     |
 | 980987  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 980988  | v1:4     | ethernet1 | 1.1.1.2 | 102174     |         | 0     |
 | 980989  | v1:4     | ethernet1 | 1.1.1.2 | 102175     |         | 0     |
 | 980990  | v1:4     | ethernet1 | 1.1.1.2 | 102176     |         | 0     |
 | 980991  | null     | null      | null    | unlabelled |         | 0     |
 | 980992  | null     | null      | null    | unlabelled |         | 0     |
 | 980993  | null     | null      | null    | unlabelled |         | 0     |
 | 980994  | null     | null      | null    | unlabelled |         | 0     |
 | 980995  | null     | null      | null    | unlabelled |         | 0     |
 | 1005802 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 102172  | null     | null      | null    | unlabelled |         | 0     |
 | 102173  | v1:4     | ethernet1 | 1.1.1.1 | 980987     |         | 1280  |
 | 102174  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 102175  | v1:4     | ethernet2 | 1.1.2.3 | 241246     |         | 640   |
 | 102176  | v1:4     | ethernet2 | 1.1.2.3 | 241247     |         | 640   |
 | 102177  | null     | null      | null    | unlabelled |         | 0     |
 | 102178  | null     | null      | null    | unlabelled |         | 0     |
 | 102179  | null     | null      | null    | unlabelled |         | 0     |
 | 102180  | null     | null      | null    | unlabelled |         | 0     |
 | 102181  | null     | null      | null    | unlabelled |         | 0     |
 | 148693  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 331557  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 442333  | null     | null      | null    | unlabelled |         | 0     |
 | 442334  | v1:6     | ethernet1 | 1234::1 | 580494     |         | 1280  |
 | 442335  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 442336  | v1:6     | ethernet2 | 1235::3 | 160802     |         | 640   |
 | 442337  | v1:6     | ethernet2 | 1235::3 | 160803     |         | 640   |
 | 442338  | null     | null      | null    | unlabelled |         | 0     |
 | 442339  | null     | null      | null    | unlabelled |         | 0     |
 | 442340  | null     | null      | null    | unlabelled |         | 0     |
 | 442341  | null     | null      | null    | unlabelled |         | 0     |
 | 442342  | null     | null      | null    | unlabelled |         | 0     |
 | 605341  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 629812  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 759942  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 870088  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1009232 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 1034630 | v1:6     | ethernet1 | 1234::1 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 160799 | null     | null      | null    | unlabelled |         | 0     |
 | 160800 | v1:6     | ethernet1 | 1235::2 | 442334     |         | 640   |
 | 160801 | v1:6     | ethernet1 | 1235::2 | 442335     |         | 640   |
 | 160802 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 160803 | v1:6     | ethernet2 | 1236::4 | 98425      |         | 1280  |
 | 160804 | null     | null      | null    | unlabelled |         | 0     |
 | 160805 | null     | null      | null    | unlabelled |         | 0     |
 | 160806 | null     | null      | null    | unlabelled |         | 0     |
 | 160807 | null     | null      | null    | unlabelled |         | 0     |
 | 160808 | null     | null      | null    | unlabelled |         | 0     |
 | 191372 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 210301 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 241243 | null     | null      | null    | unlabelled |         | 0     |
 | 241244 | v1:4     | ethernet1 | 1.1.2.2 | 102173     |         | 640   |
 | 241245 | v1:4     | ethernet1 | 1.1.2.2 | 102174     |         | 640   |
 | 241246 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 241247 | v1:4     | ethernet2 | 1.1.3.4 | 627628     |         | 1280  |
 | 241248 | null     | null      | null    | unlabelled |         | 0     |
 | 241249 | null     | null      | null    | unlabelled |         | 0     |
 | 241250 | null     | null      | null    | unlabelled |         | 0     |
 | 241251 | null     | null      | null    | unlabelled |         | 0     |
 | 241252 | null     | null      | null    | unlabelled |         | 0     |
 | 277063 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 315365 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 374994 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 472763 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 605128 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 897178 | v1:4     | ethernet2 | 1.1.3.4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 15786  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 34649  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 40976  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 98421  | null     | null      | null    | unlabelled |         | 0     |
 | 98422  | v1:6     | ethernet1 | 1236::3 | 160800     |         | 0     |
 | 98423  | v1:6     | ethernet1 | 1236::3 | 160801     |         | 0     |
 | 98424  | v1:6     | ethernet1 | 1236::3 | 160802     |         | 0     |
 | 98425  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 98426  | null     | null      | null    | unlabelled |         | 0     |
 | 98427  | null     | null      | null    | unlabelled |         | 0     |
 | 98428  | null     | null      | null    | unlabelled |         | 0     |
 | 98429  | null     | null      | null    | unlabelled |         | 0     |
 | 98430  | null     | null      | null    | unlabelled |         | 0     |
 | 369408 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 409809 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 500575 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 627624 | null     | null      | null    | unlabelled |         | 0     |
 | 627625 | v1:4     | ethernet1 | 1.1.3.3 | 241244     |         | 0     |
 | 627626 | v1:4     | ethernet1 | 1.1.3.3 | 241245     |         | 0     |
 | 627627 | v1:4     | ethernet1 | 1.1.3.3 | 241246     |         | 0     |
 | 627628 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 627629 | null     | null      | null    | unlabelled |         | 0     |
 | 627630 | null     | null      | null    | unlabelled |         | 0     |
 | 627631 | null     | null      | null    | unlabelled |         | 0     |
 | 627632 | null     | null      | null    | unlabelled |         | 0     |
 | 627633 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#