3Com 4210, 5500G Dynamic Domain, Name Resolution, Translate them into correct IP addresses

330CHAPTER 37: DNS CONFIGURATION GUIDE

	0.00% packet loss
	round-trip min/avg/max = 2/3/5 ms
Complete Configuration	#
	ip host host.com 10.1.1.2
Dynamic Domain	Domain Name System (DNS) is a distributed database used by TCP/IP applications
Name Resolution	to translate domain names into corresponding IP addresses. With DNS, you can
Configuration Guide	use easy-to-remember domain names in some applications and let the DNS server
	translate them into correct IP addresses.
Network Diagram	Figure 115 Network diagram for dynamic domain name resolution configuration
	IP network

Networking and

Configuration

Requirements

Applicable Products

2.1.1.2 /16

2.1.1.1/16 1.1.1.1/16 3.1.1.1/16

host.com

Switch

DNS serverHost

DNS client

■Switch serves as a DNS client to access the host at 3.1.1.1/16 through domain name host.

■The DNS server has the IP address 2.1.1.2/16. The domain name suffix is com.

Product series	Software version	Hardware version
Switch 5500	Release V03.02.04	All versions
Switch 5500G	Release V03.02.04	All versions
Switch 4500	Release V03.03.00	All versions

Configuration Procedure # Enable dynamic domain name resolution.

<3Com> system-view

[3Com] dns resolve

# Specify the DNS server 2.1.1.2.

[3Com] dns server 2.1.1.2

# Configure com as the DNS suffix.

[3Com] dns domain com

Execute the ping host command on Switch. The ping is successful and the corresponding IP address is 3.1.1.1.

[3Com] ping host

Trying DNS server (2.1.1.2)