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Example: lapb over mpls

r1: 

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hostname r1
buggy
!
logging file debug ../binTmp/zzz83r1-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 2.2.2.1 255.255.255.255
 ipv6 address 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface dialer1
 no description
 encapsulation lapb
 lapb mode dce
 vrf forwarding v1
 ipv4 address 3.3.3.1 255.255.255.0
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.1 255.255.255.0
 ipv6 address 1234::1 ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 no shutdown
 no log-link-change
 exit
!
proxy-profile p1
 vrf v1
 source loopback0
 exit
!
vpdn atom
 interface dialer1
 proxy p1
 target 2.2.2.2
 mtu 1500
 vcid 1234
 control-word
 pwtype hdlc
 protocol pweompls
 exit
!
!
!
!
!
!
!
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!
!
!
ipv4 route v1 2.2.2.2 255.255.255.255 1.1.1.2
!
ipv6 route v1 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234::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/zzz83r2-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 dialer1
 no description
 encapsulation lapb
 lapb mode dte
 vrf forwarding v1
 ipv4 address 3.3.3.2 255.255.255.0
 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::2 ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 no shutdown
 no log-link-change
 exit
!
proxy-profile p1
 vrf v1
 source loopback0
 exit
!
vpdn atom
 interface dialer1
 proxy p1
 target 2.2.2.1
 mtu 1500
 vcid 1234
 control-word
 pwtype hdlc
 protocol pweompls
 exit
!
!
!
!
!
!
!
!
!
!
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!
!
!
!
ipv4 route v1 2.2.2.1 255.255.255.255 1.1.1.1
!
ipv6 route v1 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234::1
!
!
!
!
!
!
!
!
!
!
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end