DNS Configuration Examples 617round-trip min/avg/max = 1/1/3 ms--- host.com ping statistics ---5 packet(s) transmitted0 packet(s) received100.00% packet lossDNS ProxyConfiguration ExampleNetwork requirements■ Specify Device A as the DNS server of Device B (the DNS client).■ Device A acts as a DNS proxy. The IP address of the real DNS server is 4.1.1.1.■ Device B implements domain name resolution through Device A.Network diagramFigure 183 Network diagram for DNS proxyConfiguration proceduren Before performing the following configuration, assume that Device A, the DNSserver, and the host are reachable to each other and the IP addresses of theinterfaces are configured as shown in Figure 183.1 Configure the DNS serverThis configuration may vary with different DNS servers. When a Windows 2000server acts as the DNS server, refer to “Dynamic Domain Name ResolutionConfiguration Example” on page 613 for related configuration information.2 Configure the DNS proxy# Specify the DNS server 4.1.1.1. system-view[DeviceA] dns server 4.1.1.1# Enable DNS proxy.[DeviceA] dns proxy enable3 Configure the DNS client3.1.1 .1/24host.comDevice BDNS clientDevice ADNS proxyIP networkDNS server2.1.1.1 /242.1.1 .2/24 1.1 .1.1/244.1.1 .1/24Host
