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Example: mpls inspection

r1: 

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hostname r1
buggy
!
logging file debug ../binTmp/zzz44r1-log.run
!
access-list test4
 sequence 10 deny 1 any all any all
 sequence 20 permit all any all any all
 exit
!
access-list test6
 sequence 10 deny all 4321:: ffff:: all 4321:: ffff:: all
 sequence 20 permit all any all any all
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 label-mode per-prefix
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.1 255.255.255.255
 ipv6 address 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.1 255.255.255.0
 no ipv4 unreachables
 ipv4 access-group-in test4
 ipv6 address 1234:1::1 ffff:ffff::
 no ipv6 unreachables
 ipv6 access-group-in test6
 mpls enable
 mpls ldp4
 mpls ldp6
 no shutdown
 no log-link-change
 exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
ipv4 route v1 2.2.2.2 255.255.255.255 1.1.1.2
ipv4 route v1 2.2.2.3 255.255.255.255 1.1.1.2
!
ipv6 route v1 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234:1::2
ipv6 route v1 4321::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234:1::2
!
!
!
!
!
!
!
!
!
!
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

r2: 

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hostname r2
buggy
!
logging file debug ../binTmp/zzz44r2-log.run
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 label-mode per-prefix
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.2 255.255.255.255
 ipv6 address 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.2 255.255.255.0
 ipv6 address 1234:1::2 ffff:ffff::
 mpls enable
 mpls inspect mac
 mpls ldp4
 mpls ldp6
 no shutdown
 no log-link-change
 exit
!
interface ethernet2
 no description
 vrf forwarding v1
 ipv4 address 1.1.2.2 255.255.255.0
 ipv6 address 1234:2::2 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 no shutdown
 no log-link-change
 exit
!
!
!
!
!
!
!
!
!
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!
!
!
!
ipv4 route v1 2.2.2.1 255.255.255.255 1.1.1.1
ipv4 route v1 2.2.2.3 255.255.255.255 1.1.2.3
!
ipv6 route v1 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234:1::1
ipv6 route v1 4321::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234:2::3
!
!
!
!
!
!
!
!
!
!
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

r3: 

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hostname r3
buggy
!
logging file debug ../binTmp/zzz44r3-log.run
!
access-list test4
 sequence 10 deny 1 any all any all
 sequence 20 permit all any all any all
 exit
!
access-list test6
 sequence 10 deny all 4321:: ffff:: all 4321:: ffff:: all
 sequence 20 permit all any all any all
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 label-mode per-prefix
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.3 255.255.255.255
 ipv6 address 4321::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.2.3 255.255.255.0
 no ipv4 unreachables
 ipv4 access-group-in test4
 ipv6 address 1234:2::3 ffff:ffff::
 no ipv6 unreachables
 ipv6 access-group-in test6
 mpls enable
 mpls ldp4
 mpls ldp6
 no shutdown
 no log-link-change
 exit
!
!
!
!
!
!
!
!
!
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!
!
!
ipv4 route v1 2.2.2.1 255.255.255.255 1.1.2.2
ipv4 route v1 2.2.2.2 255.255.255.255 1.1.2.2
!
ipv6 route v1 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234:2::2
ipv6 route v1 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234:2::2
!
!
!
!
!
!
!
!
!
!
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end


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r2#
r2#
r2#show mpls insp eth1 sess
r2#show mpls insp eth1 sess
 |~~~~~|~~~~~|~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~|~~~~|~~~~|~~~~|~~~~|~~~~~~~~~~|~~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~|
 |                 | source               | target               |      | packet  | byte    |          | mac                             |
 | dir | prt | tos | addr    | port       | addr    | port       | url  | rx | tx | rx | tx | time     | src            | trg            |
 |-----|-----|-----|---------|------------|---------|------------|------|----|----|----|----|----------|----------------|----------------|
 | rx  | 1   | 0   | 2.2.2.1 | 40705578   | 2.2.2.2 | 40705578   | null | 1  | 1  | 64 | 64 | 00:00:04 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 1   | 0   | 2.2.2.1 | 40705579   | 2.2.2.2 | 40705579   | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 1   | 0   | 2.2.2.1 | 40705580   | 2.2.2.2 | 40705580   | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 1   | 0   | 2.2.2.1 | 40705581   | 2.2.2.2 | 40705581   | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 1   | 0   | 2.2.2.1 | 40705582   | 2.2.2.2 | 40705582   | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 1   | 0   | 2.2.2.1 | 40705583   | 2.2.2.2 | 40705583   | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 1   | 0   | 2.2.2.1 | 40705584   | 2.2.2.3 | 40705584   | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 1   | 0   | 2.2.2.1 | 40705585   | 2.2.2.3 | 40705585   | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 1   | 0   | 2.2.2.1 | 40705586   | 2.2.2.3 | 40705586   | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 1   | 0   | 2.2.2.1 | 40705587   | 2.2.2.3 | 40705587   | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 1   | 0   | 2.2.2.1 | 40705588   | 2.2.2.3 | 40705588   | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | tx  | 1   | 0   | 2.2.2.3 | 455454486  | 2.2.2.1 | 455454486  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 1   | 0   | 2.2.2.3 | 455454487  | 2.2.2.1 | 455454487  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 1   | 0   | 2.2.2.3 | 455454488  | 2.2.2.1 | 455454488  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 1   | 0   | 2.2.2.3 | 455454489  | 2.2.2.1 | 455454489  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 1   | 0   | 2.2.2.3 | 455454490  | 2.2.2.1 | 455454490  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 1   | 0   | 2.2.2.2 | 1017813087 | 2.2.2.1 | 1017813087 | null | 1  | 1  | 64 | 64 | 00:00:01 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 1   | 0   | 2.2.2.2 | 1017813088 | 2.2.2.1 | 1017813088 | null | 1  | 1  | 64 | 64 | 00:00:01 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 1   | 0   | 2.2.2.2 | 1017813089 | 2.2.2.1 | 1017813089 | null | 1  | 1  | 64 | 64 | 00:00:01 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 1   | 0   | 2.2.2.2 | 1017813090 | 2.2.2.1 | 1017813090 | null | 1  | 1  | 64 | 64 | 00:00:01 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 1   | 0   | 2.2.2.2 | 1017813091 | 2.2.2.1 | 1017813091 | null | 1  | 1  | 64 | 64 | 00:00:01 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 58  | 0   | 4321::3 | 558889665  | 4321::1 | 558889665  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 58  | 0   | 4321::3 | 558889666  | 4321::1 | 558889666  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 58  | 0   | 4321::3 | 558889667  | 4321::1 | 558889667  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 58  | 0   | 4321::3 | 558889668  | 4321::1 | 558889668  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 58  | 0   | 4321::3 | 558889669  | 4321::1 | 558889669  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | rx  | 58  | 0   | 4321::1 | 654129173  | 4321::2 | 654129173  | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129174  | 4321::2 | 654129174  | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129175  | 4321::2 | 654129175  | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129176  | 4321::2 | 654129176  | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129177  | 4321::2 | 654129177  | null | 1  | 1  | 64 | 64 | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129178  | 4321::3 | 654129178  | null | 1  | 0  | 64 | 0  | 00:00:03 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129179  | 4321::3 | 654129179  | null | 1  | 1  | 64 | 64 | 00:00:02 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129180  | 4321::3 | 654129180  | null | 1  | 1  | 64 | 64 | 00:00:02 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129181  | 4321::3 | 654129181  | null | 1  | 1  | 64 | 64 | 00:00:02 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129182  | 4321::3 | 654129182  | null | 1  | 1  | 64 | 64 | 00:00:02 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129183  | 4321::3 | 654129183  | null | 1  | 1  | 64 | 64 | 00:00:01 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129184  | 4321::3 | 654129184  | null | 1  | 1  | 64 | 64 | 00:00:01 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129185  | 4321::3 | 654129185  | null | 1  | 1  | 64 | 64 | 00:00:01 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129186  | 4321::3 | 654129186  | null | 1  | 1  | 64 | 64 | 00:00:01 | 0000.0000.2222 | 0000.0000.1111 |
 | rx  | 58  | 0   | 4321::1 | 654129187  | 4321::3 | 654129187  | null | 1  | 1  | 64 | 64 | 00:00:01 | 0000.0000.2222 | 0000.0000.1111 |
 | tx  | 58  | 0   | 4321::2 | 683972202  | 4321::1 | 683972202  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 58  | 0   | 4321::2 | 683972203  | 4321::1 | 683972203  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 58  | 0   | 4321::2 | 683972204  | 4321::1 | 683972204  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 58  | 0   | 4321::2 | 683972205  | 4321::1 | 683972205  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 | tx  | 58  | 0   | 4321::2 | 683972206  | 4321::1 | 683972206  | null | 1  | 1  | 64 | 64 | 00:00:00 | 0000.0000.1111 | 0000.0000.2222 |
 |_____|_____|_____|_________|____________|_________|____________|______|____|____|____|____|__________|________________|________________|
r2#
r2#

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r2#
r2#
r2#show mpls insp eth1 top
r2#show mpls insp eth1 top
 |~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~~~~~|
 |         | packet  | byte        |          |
 | addr    | rx | tx | rx   | tx   | time     |
 |---------|----|----|------|------|----------|
 | 2.2.2.1 | 21 | 21 | 1344 | 1344 | 00:00:04 |
 | 2.2.2.2 | 11 | 11 | 704  | 704  | 00:00:04 |
 | 2.2.2.3 | 10 | 10 | 640  | 640  | 00:00:03 |
 | 4321::1 | 25 | 24 | 1600 | 1536 | 00:00:03 |
 | 4321::2 | 10 | 10 | 640  | 640  | 00:00:03 |
 | 4321::3 | 15 | 14 | 960  | 896  | 00:00:03 |
 |_________|____|____|______|______|__________|
r2#
r2#