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Tudor Davies

author Tudor is a techie turned manager who fights like mad to keep his tech skills honed and relevant. Everything from web hosting, networking, *nix and the like. Constantly developing and co-ordinating with others to make the web a better (and easier to use) place.

Cisco Bridging

Wednesday, 22nd Dec 2010  Posted @ 07:38

Reproduced from here just in case Cisco ever decide to move their pages around again!
This is the config needed to configure a Cisco DSL router (827/837, etc)in bridge mode, so that the assigned IP address (or subnet) are passed to the internal interface...
!
version 12.1
service timestamps debug datetime msec
service timestamps datetime msec
!
hostname R1
!
ip subnet-zero
!
ip dhcp excluded-address x.x.x.y

!--- the DHCP pool will not lease this address; its used by interface E0

!
ip dhcp pool
network x.x.x.x z.z.z.z

!--- you need to adjust this for your range of addresses

default-router x.x.x.y

!--- default gateway will be assigned to local devices

!
interface Ethernet0
ip address x.x.x.y z.z.z.z
no ip directed-broadcast
no ip mroute-cache
!
interface ATM0
no ip address
no ip directed-broadcast
no ip mroute-cache
no atm ilmi-keepalive
pvc 1/150
encapsulation aal5mux ppp dialer
dialer pool-member 1
!
hold-queue 224 in
!
interface Dialer0
ip unnumbered Ethernet0
no ip directed-broadcast
encapsulation ppp
dialer pool 1
dialer-group 1
ppp pap sent-username password

!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer0
no ip http server
!
dialer-list 1 protocol ip permit
!
end

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