l2tp-tunnel#show run
Building configuration...

Current configuration : 1465 bytes
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version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname l2tp-tunnel
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boot-start-marker
boot-end-marker
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no aaa new-model
memory-size iomem 5
ip cef
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multilink bundle-name authenticated
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vpdn enable
vpdn multihop
vpdn logging
vpdn logging local
vpdn search-order domain
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vpdn-group PPPoEClient
 request-dialin
  protocol l2tp
  domain example.net
 initiate-to ip 192.0.2.5
 source-ip 192.0.2.4
 local name l2tp-tunnel
 no l2tp tunnel authentication
 l2tp tunnel receive-window 1024
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archive
 log config
  hidekeys
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bba-group pppoe global
 virtual-template 1
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interface Loopback0
 ip address 192.0.2.4 255.255.255.255
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interface FastEthernet0/0
 no ip address
 duplex auto
 speed auto
 pppoe enable group global
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interface FastEthernet0/1
 no ip address
 duplex auto
 speed auto
 pppoe enable group global
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interface FastEthernet1/0
 description Link to LNS [f1/0]
 ip address 192.0.2.8 255.255.255.254
 duplex auto
 speed auto
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interface FastEthernet2/0
 no ip address
 shutdown
 duplex auto
 speed auto
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interface Virtual-Template1
 description PPPoE Test
 no ip address
 no peer default ip address
 keepalive 30
 ppp authentication chap
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ip forward-protocol nd
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ip http server
no ip http secure-server
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control-plane
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line con 0
line aux 0
line vty 0 4
 login
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end