Cisco Router 800 Series Software Configuration Guide

 
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Chapter 8      Advanced Router Configuration
Configuring DHCP Server Import
Cisco SOHO 77, SOHO 77H, SOHO 78, SOHO 91, SOHO 96 and SOHO 97
Cisco 828
Follow the steps below to configure the Cisco router for DHCP server import:
Step 1Configure the asynchronous transfer mode (ATM) interface and the asymmetric 
digital subscriber line (ADSL) operating mode.
Step 2Create an ATM PVC for data traffic, enter virtual circuit configuration mode,...

 
Chapter 8      Advanced Router Configuration
Configuring DHCP Server Import
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Cisco 800 Series Software Configuration Guide
78-5372-06 service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname router-820
logging rate-limit console 10 except errors
!
username 3620-4 password 0 lab
mmi polling-interval 60
mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
ip subnet-zero
no ip finger
no ip domain-lookup
!
ip dhcp excluded-address 192.150.2.100
ip dhcp pool...

 
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Chapter 8      Advanced Router Configuration
Configuring DHCP Server Import
!
interface Dialer0
ip address negotiated
ip mtu 1492
ip nat outside
encapsulation ppp
dialer pool 1
dialer-group 1
ppp authentication chap
ppp ipcp dns request
ppp ipcp wins request
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer0
no ip http server
!
ip nat inside source list 101 interface Dialer0 overload
access-list 101 permit ip any any
dialer-list 1 protocol ip...

 
Chapter 8      Advanced Router Configuration
Configuring DHCP Server Import
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Cisco 800 Series Software Configuration Guide
78-5372-06 memory-size iomem 10
ip subnet-zero
!
no ip finger
!
ip address-pool dhcp-proxy-client
ip dhcp-server 192.150.1.101
vpdn enable
no vpdn logging
!
vpdn-group 1
accept-dialin
protocol pppoe
virtual-template 1
!
call rsvp-sync
cns event-service server
!
interface Ethernet0/0
ip address 192.150.1.100 255.255.255.0
half-duplex
!
interface Ethernet0/1
no ip address...

 
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Chapter 8      Advanced Router Configuration
Configuring DHCP Server Import
!
line con 0
exec-timeout 0 0
transport input none
line aux 0
line vty 0 4
login
end
The following example shows a configuration on the remote DHCP server on the 
Cisco 800 series and Cisco SOHO series routers.
2500ref-4#show run
version 12.1
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
service udp-small-servers
service...

 
Chapter 8      Advanced Router Configuration
Configuring IP Control Protocol Subnet Mask Delivery
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78-5372-06 shutdown
!
ip classless
ip route 0.0.0.0 0.0.0.0 1.1.1.1
ip route 0.0.0.0 0.0.0.0 Ethernet0
no ip http server
!
dialer-list 1 protocol ip permit
line con 0
exec-timeout 0 0
transport input none
line aux 0
transport input all
line vty 0 4
login
no scheduler max-task-time
end
Configuring IP Control Protocol Subnet Mask 
Delivery
The IP control...

 
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Chapter 8      Advanced Router Configuration
Configuring IP Control Protocol Subnet Mask Delivery
The provider edge or the edge router helps in providing the subnet through 
IPCP.
DHCP is no longer supported on the client side because the CPE can now receive 
both the IP address and the subnet mask during the PPP setup negotiation. If the 
CPE uses the DHCP servers to allocate addresses for its own network, subnets can 
be assigned through...

 
Chapter 8      Advanced Router Configuration
Configuring IP Control Protocol Subnet Mask Delivery
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Configuration Examples
The following example shows a IPCP configuration on the Cisco 827-4V router:
router-8274v-1# show run
Building configuration...
Current configuration :1247 bytes
version 12.2
no service single-slot-reload-enable
no service pad
service timestamps debug datetime msec
service timestamps log uptime
no service...

 
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Chapter 8      Advanced Router Configuration
Configuring IP Control Protocol Subnet Mask Delivery
interface Dialer0
ip unnumbered Ethernet0
encapsulation ppp
dialer pool 1
dialer-group 1
no cdp enable
ppp authentication chap callin
ppp chap hostname router-8274v-1
ppp chap password 7 12150415
ppp ipcp accept-address
ppp ipcp dns request
ppp ipcp wins request
ppp ipcp mask request
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer0
no ip http...

 
Chapter 8      Advanced Router Configuration
Configuring IP Control Protocol Subnet Mask Delivery
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78-5372-06 enable password lab
!
username router-8274v-1 password 0 lab
username TB2-8274v-2 password 0 lab
!
redundancy
main-cpu
auto-sync standard
no secondary console enable
ip subnet-zero
no ip finger
!
interface ATM0/0/0
no ip address
no atm ilmi-keepalive
hold-queue 500 in
!
interface ATM0/0/0.4 point-to-point
pvc 6/40 
encapsulation aal5mux ppp...