D-Link DES-3350SR User Manual - page 132
D-Link DES-3350SR Standalone Layer 3 Switch
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other DNS servers until the name is resolved. Iterative resolution specifies that if the DNS server cannot supply an answer, it
returns the address of the next DNS server the client should contact.
Each client must be able to contact at least one DNS server, and each DNS server must be able to contact at least one root server.
The address of the machine that supplies domain name service is often supplied by a DHCP or BOOTP server, or can be entered
manually and configured into the operating system at startup.
DNS Relay Information
To configure the DNS function on the Switch, click Configuration > Layer 3 IP Networking > DNS Relay > DNS Relay
Information, which will open the DNS Relay Global Settings window, as seen below:
Figure 9 - 39. DNS Relay Information window
The following fields can be set:
Parameters Description
DNS State
This field can be toggled between Disabled
and Enabled using the pull-down menu,
and is used to enable or disable the DNS
Relay service on the Switch.
Primary Name
Server
Allows the entry of the IP address of a
primary domain name server (DNS).
Secondary Name
Server
Allows the entry of the IP address of a
secondary domain name server (DNS).
DNSR Cache Status This can be toggled between Disabled and
Enabled. This determines if a DNS cache
will be enabled on the Switch.
DNSR Static Table
Status
This field can be toggled using the pull-
down menu between Disabled and
Enabled. This determines if the static DNS
table will be used or not.
Click Apply to implement changes made.
DNS Relay Static Settings
To view the DNS Relay Static Settings, click Configuration > Layer 3 IP Networking > DNS Relay > DNS Relay Static Settings,
which will open the DNS Relay Static Settings window, as seen below:
Figure 9 - 40. DNS Relay Static Setting Table