H3C Technologies H3C SecPath F1000-E - Manual (Page 264)

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NOTE:
•
If the DDNS service is provided by www.3322.org, the FQDN of the mapping to be updated must be
specified; otherwise, DDNS update may fail.
• If the DDNS server is a PeanutHull server and no FQDN is specified, the DDNS server will update all the
corresponding domain names of the DDNS client account; if an FQDN is specified, the DDNS server
will update only the mapping between the specified FQDN and the primary IP address.
Displaying and maintaining DDNS
Task Command Remark
Display information of the DDNS
policy. display ddns policy [ policy-name ] [ | { begin |
exclude | include } regular-expression ]
Available in any view
DDNS configuration example I
Network requirements
As shown in Figure 148 , the SecPath is a Web server with the domain name whatever.3322.org.
The SecPath acquires the IP address through DHCP. Through DDNS service provided by www.3322.org,
the SecPath 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 SecPath uses the DNS server to translate www.3322.org
into the corresponding IP address.
Figure 148 Network diagram
Configuration procedure
NOTE:
Before configuring DDNS on the SecPath, register with username steven and password nevets at
http://www.3322.org/, add the SecPath's host name-to-IP address mapping to the DNS server, and
make sure that the devices are reachable to each other.
SecPath
DDNS client
www.3322.org
DDNS server
DNS server
IP network
GE0/1
1.1.1.1