HI
Sorry i can speak English very well so let screenshot tell the story
Router 1
Router>
Router>en
Router#show run
Building configuration...
Current configuration : 1259 bytes
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version 15.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
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hostname Router
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ip cef
no ipv6 cef
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username a password 0 a
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license udi pid CISCO2811/K9 sn FTX1017K0LR-
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spanning-tree mode pvst
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bba-group pppoe ISP
virtual-template 1
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interface Loopback0
ip address 10.0.10.1 255.255.255.0
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interface Loopback1
no ip address
shutdown
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interface Virtual-Template1
peer default ip address pool ISP
ppp authentication chap
ip unnumbered FastEthernet0/1
encapsulation ppp
ppp authentication chap
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interface FastEthernet0/0
ip address 20.0.0.1 255.255.255.0
duplex auto
speed auto
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interface FastEthernet0/1
ip address 10.0.0.1 255.255.255.0
pppoe enable group ISP
duplex auto
speed auto
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interface Vlan1
no ip address
shutdown
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router ospf 1
log-adjacency-changes
network 10.0.0.0 0.0.0.255 area 0
network 20.0.0.0 0.0.0.255 area 0
network 10.0.10.0 0.0.0.255 area 0
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ip local pool ISP 10.0.10.100 10.0.10.200
ip classless
ip route 10.0.0.0 255.255.255.0 10.0.10.0
ip route 10.0.0.0 255.255.255.0 10.0.0.0
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ip flow-export version 9
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line con 0
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line aux 0
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line vty 0 4
login
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end
