Huawei v200r001 user manual One Serial Port for Dial-up and Remote Dial Connection Case

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

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

Quidway(config)# interface bri 0

Quidway(config-if-Bri0)# ip address 100.1.1.3 255.255.255.0

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

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

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

1.6.11 One Serial Port for Dial-up and Remote Dial Connection – Case 4

Case 4: DDR in which one serial port is used both for dial access to Internet and for remote dial connection.

I. networking requirements

Using Dialer Profile, we can configure a serial port to dial-up and dial to the remote end. As shown in the following diagram, router A can dial-up and dial to router B at the same time. We assume user access Internet with 163 Special Service number (user name: user163, password: pass163).

PC A

PC B

Ethernet Internet

163

PSTN

	8810052	8810048
Router A	Modem	Modem
		Router B

Figure DC-1-13Networking diagram of DDR – Case 4

Solution: use Dialer Profile configuration to realize:

1)Configure router A Quidway(config)# access-list 1 deny any

Quidway(config)# access-list 1 permit 10.110.10.0 0.0.0.255

Quidway(config)# nat pool 202.110.10.10 202.110.10.11 pool 1 Quidway(config)# dialer-list 1 protocol ip permit Quidway(config)# user userb password 0 passb Quidway(config)# interface dialer 0 Quidway(config-if-Dialer0)# ip address 100.1.1.1 255.255.255.0 Quidway(config-if-Dialer0)# dialer remote-name userb

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