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Ddns configuration example, Network requirements – H3C Technologies H3C WX3000E Series Wireless Switches User Manual

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Item Description

Account

settings

Username

Specify the username used for logging in to the DDNS server.

Password

Specify the password used for logging in to the DDNS server.

Other
settings

Associated
Interface

Select an interface to which the DDNS policy is applied.
The IP address in the host name-to-IP address mapping for update is the primary
IP address of the interface.

IMPORTANT:

You can bind up to four DDNS entries to an interface.

FQDN

Specify the FQDN in the IP-to-FQDN mapping for update.
The FQDN is the only identification of a node in the network. An FQDN consists
of a local host name and a parent domain name and can be translated into an

IP address.

If the DDNS service is provided by www.3322.org, the FQDN must be

specified. Otherwise, DDNS update might fail.

If the DDNS server is a PeanutHull server and no FQDN is specified, the

DDNS server updates all the corresponding domain names of the DDNS

client account. If an FQDN is specified, the DDNS server updates only the

specified IP-to-FQDN mapping.

DDNS configuration example

Network requirements

The AC is a Web server with the domain name whatever.3322.org.
The AC acquires its IP address through DHCP. Through DDNS service provided by www.3322.org, the

AC informs the DNS server of the latest mapping between its domain name and IP address.
The IP address of the DNS server is 1.1.1.1. the AC uses the DNS server to translate www.3322.org into

the corresponding IP address.

Figure 217 Network diagram

AC

DDNS client

www.3322.org

DDNS server

DNS server

IP network

Dialer 1

1.1.1.1