here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 32606   | null     | null      | null    | unlabelled |         | 0     |
 | 32607   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 32608   | v1:6     | ethernet1 | 1234::2 | 256954     |         | 0     |
 | 32609   | v1:6     | ethernet1 | 1234::2 | 256955     |         | 0     |
 | 32610   | v1:6     | ethernet1 | 1234::2 | 256956     |         | 0     |
 | 32611   | null     | null      | null    | unlabelled |         | 0     |
 | 32612   | null     | null      | null    | unlabelled |         | 0     |
 | 32613   | null     | null      | null    | unlabelled |         | 0     |
 | 32614   | null     | null      | null    | unlabelled |         | 0     |
 | 32615   | null     | null      | null    | unlabelled |         | 0     |
 | 67459   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 209552  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 224045  | null     | null      | null    | unlabelled |         | 0     |
 | 224046  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 224047  | v1:4     | ethernet1 | 1.1.1.2 | 747070     |         | 0     |
 | 224048  | v1:4     | ethernet1 | 1.1.1.2 | 747071     |         | 0     |
 | 224049  | v1:4     | ethernet1 | 1.1.1.2 | 747072     |         | 0     |
 | 224050  | null     | null      | null    | unlabelled |         | 0     |
 | 224051  | null     | null      | null    | unlabelled |         | 0     |
 | 224052  | null     | null      | null    | unlabelled |         | 0     |
 | 224053  | null     | null      | null    | unlabelled |         | 0     |
 | 224054  | null     | null      | null    | unlabelled |         | 0     |
 | 240126  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 310685  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 362430  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 557739  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 756617  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 864697  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 950986  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1016551 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 26978   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 116322  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 189050  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 195187  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 200543  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 256952  | null     | null      | null    | unlabelled |         | 0     |
 | 256953  | v1:6     | ethernet1 | 1234::1 | 32607      |         | 1280  |
 | 256954  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 256955  | v1:6     | ethernet2 | 1235::3 | 325404     |         | 640   |
 | 256956  | v1:6     | ethernet2 | 1235::3 | 325405     |         | 640   |
 | 256957  | null     | null      | null    | unlabelled |         | 0     |
 | 256958  | null     | null      | null    | unlabelled |         | 0     |
 | 256959  | null     | null      | null    | unlabelled |         | 0     |
 | 256960  | null     | null      | null    | unlabelled |         | 0     |
 | 256961  | null     | null      | null    | unlabelled |         | 0     |
 | 286808  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 427550  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 747068  | null     | null      | null    | unlabelled |         | 0     |
 | 747069  | v1:4     | ethernet1 | 1.1.1.1 | 224046     |         | 1280  |
 | 747070  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 747071  | v1:4     | ethernet2 | 1.1.2.3 | 49805      |         | 640   |
 | 747072  | v1:4     | ethernet2 | 1.1.2.3 | 49806      |         | 640   |
 | 747073  | null     | null      | null    | unlabelled |         | 0     |
 | 747074  | null     | null      | null    | unlabelled |         | 0     |
 | 747075  | null     | null      | null    | unlabelled |         | 0     |
 | 747076  | null     | null      | null    | unlabelled |         | 0     |
 | 747077  | null     | null      | null    | unlabelled |         | 0     |
 | 772985  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 874737  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 900267  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 996477  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1012017 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 9407    | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 49802   | null     | null      | null    | unlabelled |         | 0     |
 | 49803   | v1:4     | ethernet1 | 1.1.2.2 | 747069     |         | 640   |
 | 49804   | v1:4     | ethernet1 | 1.1.2.2 | 747070     |         | 640   |
 | 49805   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 49806   | v1:4     | ethernet2 | 1.1.3.4 | 546706     |         | 1280  |
 | 49807   | null     | null      | null    | unlabelled |         | 0     |
 | 49808   | null     | null      | null    | unlabelled |         | 0     |
 | 49809   | null     | null      | null    | unlabelled |         | 0     |
 | 49810   | null     | null      | null    | unlabelled |         | 0     |
 | 49811   | null     | null      | null    | unlabelled |         | 0     |
 | 67803   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 204509  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 267157  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 325401  | null     | null      | null    | unlabelled |         | 0     |
 | 325402  | v1:6     | ethernet1 | 1235::2 | 256953     |         | 640   |
 | 325403  | v1:6     | ethernet1 | 1235::2 | 256954     |         | 640   |
 | 325404  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 325405  | v1:6     | ethernet2 | 1236::4 | 146154     |         | 1280  |
 | 325406  | null     | null      | null    | unlabelled |         | 0     |
 | 325407  | null     | null      | null    | unlabelled |         | 0     |
 | 325408  | null     | null      | null    | unlabelled |         | 0     |
 | 325409  | null     | null      | null    | unlabelled |         | 0     |
 | 325410  | null     | null      | null    | unlabelled |         | 0     |
 | 503947  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 556343  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 666156  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 728716  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 756776  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 831001  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 935730  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1045680 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43620  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 146150 | null     | null      | null    | unlabelled |         | 0     |
 | 146151 | v1:6     | ethernet1 | 1236::3 | 325402     |         | 0     |
 | 146152 | v1:6     | ethernet1 | 1236::3 | 325403     |         | 0     |
 | 146153 | v1:6     | ethernet1 | 1236::3 | 325404     |         | 0     |
 | 146154 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 146155 | null     | null      | null    | unlabelled |         | 0     |
 | 146156 | null     | null      | null    | unlabelled |         | 0     |
 | 146157 | null     | null      | null    | unlabelled |         | 0     |
 | 146158 | null     | null      | null    | unlabelled |         | 0     |
 | 146159 | null     | null      | null    | unlabelled |         | 0     |
 | 188623 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 218211 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 264312 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 367094 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 515055 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 546702 | null     | null      | null    | unlabelled |         | 0     |
 | 546703 | v1:4     | ethernet1 | 1.1.3.3 | 49803      |         | 0     |
 | 546704 | v1:4     | ethernet1 | 1.1.3.3 | 49804      |         | 0     |
 | 546705 | v1:4     | ethernet1 | 1.1.3.3 | 49805      |         | 0     |
 | 546706 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 546707 | null     | null      | null    | unlabelled |         | 0     |
 | 546708 | null     | null      | null    | unlabelled |         | 0     |
 | 546709 | null     | null      | null    | unlabelled |         | 0     |
 | 546710 | null     | null      | null    | unlabelled |         | 0     |
 | 546711 | null     | null      | null    | unlabelled |         | 0     |
 | 620975 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 724503 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 857272 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 870418 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#