3com 5500-ei pwr Instruccion De Instalación
1-5
Network diagram
Figure 1-3 Network diagram for dynamic DNS configuration
2.1.1.2/16
2.1.1.1
DNS server
Switch
DNS client
1.1.1/16
host. com
IP network
Host
/16
1.
3.1.1.1/ 16
Configuration procedure
Before doing the following configuration, make sure that:
z
The routes between the DNS server, Switch, and Host are reachable.
z
Necessary configurations are done on the devices. For the IP addresses of the interfaces, see the
figure above.
z
There is a mapping between domain name host and IP address 3.1.1.1/16 on the DNS server.
z
The DNS server works normally.
# Enable dynamic domain name resolution.
<Sysname> system-view
[Sysname] dns resolve
# Configure the IP address 2.1.1.2 for the DNS server.
[Sysname] dns server 2.1.1.2
# Configure com as the DNS suffix
[Sysname] dns domain com
Execute the ping host command on Switch to verify that the communication between Switch and Host
is normal and that the corresponding IP address is 3.1.1.1.
[Sysname] ping host
Trying DNS server (2.1.1.2)
PING host.com (3.1.1.1): 56 data bytes, press CTRL_C to break
Reply from 3.1.1.1: bytes=56 Sequence=1 ttl=125 time=4 ms
Reply from 3.1.1.1: bytes=56 Sequence=2 ttl=125 time=4 ms
Reply from 3.1.1.1: bytes=56 Sequence=3 ttl=125 time=4 ms
Reply from 3.1.1.1: bytes=56 Sequence=4 ttl=125 time=4 ms
Reply from 3.1.1.1: bytes=56 Sequence=5 ttl=125 time=5 ms
--- host.com ping statistics ---
5 packet(s) transmitted