Dns; Dns Global Settings - D-Link DGS-3630 Series Reference Manual
Layer 3 stackable managed switch web ui reference guide
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Also See for DGS-3630 Series:
- Reference manual (184 pages) ,
- Hardware installation manual (71 pages) ,
- User manual (9 pages)
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DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide
When the Switch uses Option 66 to get the TFTP server name, it resolves Option 6 first to get the DNS server IP
address. If the Switch fails to connect to the DNS server or Option 6 does not exist in the response message, the
Switch will try to connect the DNS server already configured in the system manually.
Option 67 is used to identify the bootfile when the 'file' field in the DHCP header has been used for DHCP options.
This can only be used in the DHCP auto-configuration mode and not the DHCP auto-image mode. For more
information refer to RFC 2132. When specifying the image file name, the DHCP Option 125 (RFC 3925) must be used.
The Switch needs to check the enterprise-number1 field. If the value is not the D-Link vendor ID (171), the Switch will
stop the process. If the Option contains more than one field, only the first entry enterprise-number1 will be used.
To view the following window, click Management > DHCP Auto Image Settings, as shown below:
The fields that can be configured are described below:
Parameter
DHCP Auto Image State
DHCP Auto Image Timeout
Click the Apply button to accept the changes made.
DNS
The Domain Name System (DNS) is used to map human-readable domain names to the IP addresses used by
computers to communicate. A DNS server performs name-to-address translation, and may need to contact several
name servers to translate a domain to an address. 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 Global Settings
This window is used to display and configure the global DNS settings.
To view the following window, click Management > DNS > DNS Global Settings, as shown below:
The fields that can be configured in DNS Global Settings are described below:
Figure 4-65 DHCP Auto Image Settings Window
Description
Select to enable or disable the DHCP auto-image feature here.
Enter the timeout value of the DHCP auto-image feature here. The range is from
1 to 65535 seconds.
Figure 4-66 DNS Global Settings Window
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