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1-9 

As shown in 

, specify Switch A as the DNS server of Switch B (the DNS client). Switch A acts 

as a DNS proxy. The IP address of the real DNS server is 4.1.1.1. 

Switch B implements domain name resolution through Switch A. 

Figure 1-8 Network diagram for DNS proxy 

 

 

 

 

Before performing the following configuration, assume that Switch A, the DNS server, and the host are 

reachable to each other and the IP addresses of the interfaces are configured as shown in 

 

1)  Configure the DNS server 

This configuration may vary with different DNS servers. When a Windows server 2000 PC acts as the 

DNS server, refer to 

 for related 

configuration information. 

2)  Configure the DNS proxy 

# Specify the DNS server 4.1.1.1. 

<SwitchA> system-view 

[SwitchA] dns server 4.1.1.1 

# Enable DNS proxy. 

[SwitchA] dns proxy enable 

3)  Configure the DNS client 

# Enable the domain name resolution function. 

<SwitchB> system-view 

[SwitchB] dns resolve