Dns Proxy Configuration Example; Configuring Dns Proxy - 3Com 3C13636 Configuration Manual

3Com Router 3000 Ethernet Family
Configuration Guide

3.4.3 Configuring DNS Proxy

I. Configuration prerequisites
Before configuring DNS proxy, make sure that
IP addresses of DNS servers are available on the DNS proxy.
The gateway enabled with DNS proxy is specified as the DNS server on the DNS
client.
The DNS client and the DNS server are reachable to the DNS proxy.
II. Configuring DNS proxy
Configure DNS proxy on the router functioning as the gateway.
Table 3-9 Configure DNS proxy
Enter system view
Enable DNS proxy

3.4.4 DNS Proxy Configuration Example

I. Network requirements
PCs on network segment 10.1.1.0/24 where no DNS server is present may obtain DNS
service from an external DNS server, for example, the one with IP address
10.72.66.36/24. To this end, the gateway router must support DNS proxy.
II. Network diagram
Client
Client
Figure 3-3 Network diagram for DNX proxy configuration
Operation
system-view
dns-proxy enable
Client
LAN
Ethernet1/0/0
10.1.1.1/24
Client
3Com Corporation
Command
Router
Internet
Ethernet1/0/1
10.1.2.1/24
3-8
Chapter 3 DNS Configuration
Remarks
––
Required
10.72.66.36/24
DNS Server