Huawei v200r001 user manual DDR Typical Configuration Example, Legacy DDR, Network requirements

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

1.6 DDR Typical Configuration Example

1.6.1Legacy DDR

I.Network requirements

In the following diagram, the local router XXX and the remote routers YYY and ZZZ are connected through DDR. Remote routers YYY and ZZZ can call the local router XXX, while XXX can only call YYY, not ZZZ.

II. Networking diagram

Figure DC-1-4Schematic diagram of a Legacy DDR configuration

III. Configuration procedure

! Create a dial interface

Quidway (config)# interface dialer 1

! Configure IP address of the dial interface

Quidway (config-if-Dialer1)# ip address 131.108.2.1 255.255.255.0

Quidway (config-if-Dialer1)# ip address 131.126.4.1 255.255.255.0 secondary

!Configure encapsulation PPP of the dial interface and CHAP authentication Quidway (config-if-Dialer1)# encapsulation ppp

Quidway (config-if-Dialer1)# ppp authentication chap

!Configure domain name XXX of the local router

Quidway (config-if-Dialer1)# ppp chap host XXX (this name is the same as the user name when the remote router configuration authenticates the local end. This will not be explained further in later examples).

!Configure password xxxsystem when the local router is authenticated by the remote router

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