Cisco Cisco SG300-28 28-Port Gigabit Managed Switch Maintenance Manual

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Cisco 300 Series Managed Switches Administration Guide

Click Apply. The Running Configuration file is updated.

DNS Server Table: The following fields are displayed for each DNS server 
configured:

•

DNS Server—The IP address of the DNS server. 

•

Preference—Each server has a preference value, a lower value means a 
higher chance of being used. 

•

Source—Source of the server’s IP address (static or DHCPv4 or DHCPv6)

•

Interface—Interface of the server’s IP address.

Up to eight DNS servers can be defined. To add a DNS server, click Add.

Enter the parameters.

•

IP Version—Select Version 6 for IPv6 or Version 4 for IPv4.

•

IPv6 Address Type—Select the IPv6 address type (if IPv6 is used). The 
options are:

-

Link Local—The IPv6 address uniquely identifies hosts on a single 
network link. A link local address has a prefix of FE80, is not routable, and 
can be used for communication only on the local network. Only one link 
local address is supported. If a link local address exists on the interface, 
this entry replaces the address in the configuration.

-

Global—The IPv6 address is a global Unicast IPV6 type that is visible and 
reachable from other networks. 

•

Link Local Interface—If the IPv6 address type is Link Local, select the 
interface through which it is received.

•

DNS Server IP Address—Enter the DNS server IP address.

•

Preference—Select a value that determines the order in which the domains 
are used (from low to high). This effectively determines the order in which 
unqualified names are completed during DNS queries. 

Click Apply. The DNS server is saved to the Running Configuration file.

The search list can contain one static entry defined by the user the DNS Settings 
page and dynamic entries received from DHCPv4 and DHCPv6 servers.