BRI-to-BRI - 王朝网络宽屏版

maui-soho-01 (1600)

maui-soho-01#show running-config

Building configuration...

Current configuration : 1656 bytes

version 12.1

no service single-slot-reload-enable

service timestamps debug datetime msec

service timestamps log datetime msec

hostname maui-soho-01

logging rate-limit console 10 except errors

aaa new-model

aaa authentication login default local

aaa authentication login NO_AUTHEN none

aaa authentication ppp default local

!--- basic AAA configuration for PPP calls

enable secret 5

username admin password

username maui-nas-05 password cisco

!--- username for remote router (maui-nas-05) and shared secret

!--- (used for CHAP authentication)

!--- Shared secret must be the same on both sides.

ip subnet-zero

isdn switch-type basic-ni

interface Loopback0

ip address 172.17.1.1 255.255.255.0

!--- The loopback address will be used by OSPF for the router ID.

interface Ethernet0

ip address 172.16.1.1 255.255.255.0

interface Serial0

no ip address

shutdown

no fair-queue

interface BRI0

!--- BRI interface used for DDR dialout

ip address 172.20.10.2 255.255.255.0

!--- IP address

!--- The remote address is in the same subnet.

encapsulation ppp

ip ospf demand-circuit

!--- This forces OSPF to keep the routing table intact when the DDR link

!--- is down. This should only be configured on one router for a

!--- point-to-point circuit.

dialer idle-timeout 900

!--- Idle timeout is set to 900 seconds (15 minutes).

!--- The link will be disconnected if there is no interesting traffic

!--- for 900 secs.

dialer map ip 172.20.10.1 name maui-nas-05 broadcast 5551111

dialer map ip 172.20.10.1 name maui-nas-05 broadcast 5551112

!--- dialer map statements for the remote router

!--- The name must match the one used by the remote router to identify

!--- itself. The broadcast keyword is required to send broadcast traffic

!--- over the link(for OSPF). The two different phone numbers correspond

!--- to the b-channels of the remote side. The multiple statements allow

!--- the router to dial the second number if the first number is busy.

dialer load-threshold 80 outbound

!--- This set the load level for traffic at which additional connections

!--- will be added to the Multilink PPP bundle.!--- Load level values range from 1 (unloaded) to 255 (fully loaded).

!--- The threshold in this case is 80/255 = 32%.

dialer-group 1

!--- apply interesting traffic definition from dialer-list 1

isdn switch-type basic-ni

isdn spid1 51255522220101 5552222

isdn spid2 51255522230101 5552223

ppp authentication chap

!--- Use chap authentication.

ppp multilink

!--- Use multilink to bring up both BRI channels.

router ospf 5

log-adjacency-changes

network 172.16.1.0 0.0.0.255 area 0

network 172.17.1.0 0.0.0.255 area 0

network 172.20.10.0 0.0.0.255 area 0

ip classless

ip route 172.20.0.0 255.255.0.0 172.20.10.0

no ip http server

access-list 101 remark Define Interesting Traffic

access-list 101 deny ospf any any

!--- mark OSPF as uninteresting

!--- This will prevent OSPF hellos from keeping the link up.

access-list 101 permit ip any any

dialer-list 1 protocol ip list 101

!--- Interesting traffic is defined by access-list 101.

!--- This is applied to BRI0 using dialer-group 1.

line con 0

exec-timeout 0 0

transport input none

line vty 0 4

endmaui-nas-05 (3640)

maui-nas-05#show running-config

Building configuration...

Current configuration:

version 12.1

service timestamps debug datetime msec

service timestamps log datetime msec

hostname maui-nas-05

aaa new-model

aaa authentication login default local

aaa authentication login NO_AUTHEN none

aaa authentication ppp default local

!--- basic AAA configuration for PPP calls

enable secret 5

username admin password 7

username maui-soho-01 password 7 cisco

!--- username for remote router (maui-soho-01) and shared secret

!--- (used for CHAP authentication)

!--- Shared secret must be the same on both sides.

ip subnet-zero

isdn switch-type basic-ni

interface Loopback0

ip address 172.22.1.1 255.255.255.0

!--- The loopback address is used by OSPF for the router ID.

interface Ethernet0/0

ip address 172.22.53.105 255.255.255.0

interface Ethernet0/1

no ip address

shutdown

interface BRI1/0

!--- BRI interface used to accept dialin

ip address 172.20.10.1 255.255.255.0

!--- IP address

!--- The remote address is in the same subnet.

encapsulation ppp

dialer idle-timeout 900

!--- Idle timeout is set to 900 seconds (15 minutes).

!--- Set this value to be equal to or higher than the idle-timeout on the

!--- client side. A higher idle-timeout permits the client side to

!--- determine when to bring down the link.

dialer map ip 172.20.10.2 name maui-soho-01 broadcast

!--- dialer map statement for the BRI interface of the remote router

!--- The name must be the one used by the remote router to identify

!--- itself. The broadcast keyword is required to send broadcast traffic

!--- over the link(for OSPF). Note: There is no phone number, as we are

!--- not configuring this side to dial. If you want this router to dial,

!--- add the remote side phone number to the dialer map statement

dialer-group 1

!--- apply interesting traffic definition from dialer-list 1

isdn switch-type basic-ni

isdn spid1 51255511110101 5551111

isdn spid2 51255511120101 5551112

ppp authentication chap

ppp multilink

!--- allow multilink connections

router ospf 5

network 172.20.10.0 0.0.0.255 area 0

network 172.22.1.0 0.0.0.255 area 0

network 172.22.53.0 0.0.0.255 area 0

default-information originate always

!--- transmit OSPF default information

!--- This may be required for remote router to use the BRI DDR link.

ip classless

ip route 0.0.0.0 0.0.0.0 Ethernet0/0

ip route 172.22.0.0 255.255.0.0 172.22.53.0

no ip http server

dialer-list 1 protocol ip permit

!--- All IP traffic is defined interesting.

!--- This is applied to BRI0 using dialer-group 1.

line con 0

transport input none

line 97 102

line aux 0

line vty 0 4

end