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IP Configuration
Domain Name System
Cisco Small Business SG200 Series 8-port Smart Switch 143
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See the following topics for more information on the configuration pages available
in the IP Configuration > Domain Name System menu.
• Configuring DNS Servers
• Hostname Mapping
Configuring DNS Servers
To resolve a hostname to an IP address, the client contacts one or more DNS
servers. DNS servers can be learned dynamically if the management interface is
configured as a DHCP client (see Management Interface). You can also use the
DNS Servers page to statically configure DNS servers.
DNS client functionality is enabled by default.
Configuring Global DNS Settings
To configure the DNS server mode and global settings:
STEP 1 Click IP Configuration > Domain Name System > DNS Servers in the navigation
window.
STEP 2 Select Enable to implement DNS client functionality on the switch, if it is not
already enabled.
STEP 3 Enter the following parameters:
• Default Domain Name—Specify a domain name to be used to complete an
unqualified hostname. For example, finance.yahoo.com is a fully qualified
domain name. If only the unqualified hostname, finance, is specified, the
default domain name yahoo.com would be appended, with a period in
between. In your entry, do not include the period that separates the
unqualified hostname from the domain name. The range is 1–255
alphanumeric characters.
• Domain retry—Specify the number of times to retry sending DNS queries.
The range is 0–100 and the default value is 2 times.
• Domain timeout—Specify the time in seconds that the switch waits for a
response to a DNS query. The range is 0–3600 seconds and the default is
3seconds.