Huawei v200r001 user manual Two Serial Ports for Dial-up and Remote Dial Connection Case

User Manual - Configuration Guide (Volume 3)	Chapter 1
Versatile Routing Platform	DDR Configuration

Quidway(config-if-Bri0)# dialer pool-member 1

Quidway(config-if-Bri0)# encapsulation ppp

Quidway(config-if-Bri0)# ppp authentication pap

1.6.10 Two Serial Ports for Dial-up and Remote Dial Connection – Case 3

Case 3: DDR in which one serial port is used for dial access to Internet and another for remote dial connection.

I. Networking requirements

One of the two B channels of ISDN BRI can be used for private line and the other for dial-up. As shown in the following diagram, router A and router B are interconnected with one B channel, the other B channel dial to router B.

II. Networking diagram

8810148		Router B
Router A	ISDN	8810152
		Router C

Figure DC-1-12Networking diagram of DDR – Case 3

III. Configuration procedure

Solution: use Legacy DDR configuration to realize:

1)Configure router A:

Quidway(config)# dialer-list 1 protocol ip permit

Quidway(config)# interface bri 0

Quidway(config-if-Bri0)# ip address 100.1.1.1 255.255.255.0

Quidway(config-if-Bri0)# dialer isdn-leased 1

Quidway(config-if-Bri0)# dialer-group 1

Quidway(config-if-Bri0)# dialer map ip 100.1.1.2 8810152

Quidway(config-if-Bri0)# dialer map ip 100.1.1.3

2)Configure router B:

Quidway(config)# dialer-list 1 protocol ip permit

Quidway(config)# interface bri 0

Quidway(config-if-Bri0)# ip address 100.1.1.2 255.255.255.0

Quidway(config-if-Bri0)# dialer-group 1

Quidway(config-if-Bri0)# dialer map ip 100.1.1.1 8810148

3)Configure router C:

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