3Com WX3000 operation manual Dynamic Domain Name Resolution Configuration Example

Figure 1-2Network diagram for static DNS configuration

	10.1 .1.1/24	10.1.1. 2/ 24
		host.com
Switch		Host

Configuration procedure

# Configure a mapping between host name host.com and IP address 10.1.1.2.

<device> system-view

[device] ip host host.com 10.1.1.2

#Execute the ping host.com command to verify that the device can use static domain name resolution to get the IP address 10.1.1.2 corresponding to host.com.

[device] ping host.com

PING host.com (10.1.1.2): 56 data bytes, press CTRL_C to break

Reply from 10.1.1.2: bytes=56 Sequence=1 ttl=127 time=3 ms

Reply from 10.1.1.2: bytes=56 Sequence=2 ttl=127 time=3 ms

Reply from 10.1.1.2: bytes=56 Sequence=3 ttl=127 time=2 ms

Reply from 10.1.1.2: bytes=56 Sequence=4 ttl=127 time=5 ms

Reply from 10.1.1.2: bytes=56 Sequence=5 ttl=127 time=3 ms

--- host.com ping statistics ---

5 packet(s) transmitted

5 packet(s) received

0.00% packet loss

round-trip min/avg/max = 2/3/5 ms

Dynamic Domain Name Resolution Configuration Example

Network requirements

As shown in Figure 1-3, Switch serving as a DNS client uses dynamic domain name resolution to access the host at 3.1.1.1/16 through its domain name host. The DNS server has the IP address 2.1.1.2/16. The DNS suffix is com.

Figure 1-3Network diagram for dynamic DNS configuration

			IP network
2.1.1.2/16		1.1.1.1/16
	2.1.1.1/16		3.1.1.1/ 16
			host. com
		Switch
DNS server			Host
	DNS client

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