PLANET IGS-10020HPT - Manual (Page 73)

User’s Manual
DNS Server
This setting controls the DNS name resolution done by the switch. The
following modes are supported:
 From any DHCP interfaces
The first DNS server offered from a DHCP lease to a DHCP-enabled
interface will be used.
 No DNS server
No DNS server will be used.
 Configured
Explicitly provide the IP address of the DNS Server in dotted decimal
notation.
 From this DHCP interface
Specify from which DHCP-enabled interface a provided DNS server
should be preferred.
When DNS proxy is enabled, system will relay DNS requests to the
currently configured DNS server, and reply as a DNS resolver to the client
devices on the network.
DNS Proxy
Delete
Select this option to delete an existing IP interface.
VLAN
The VLAN associated with the IP interface. Only ports in this VLAN will be
able to access the IP interface. This field is only available for input when
creating an new interface.
Enabled
Enable the DHCP client by checking this box.
Fallback
The number of seconds for trying to obtain a DHCP lease.
IPv4
DHCP
Current Lease For DHCP interfaces with an active lease, this column show the current
interface address, as provided by the DHCP server.
Address
Provide the IP address of this Industrial Managed Switch in dotted
decimal notation.
IPv4
Mask Length The IPv4 network mask, in number of bits (prefix length). Valid values are
between 0 and 30 bits for a IPv4 address.
Address
Provide the IP address of this Industrial Managed Switch. A IPv6 address
is in 128-bit records represented as eight fields of up to four hexadecimal
digits with a colon separating each field (:).

IP Address
IPv6
Mask Length
The IPv6 network mask, in number of bits (prefix length). Valid values are
between 1 and 128 bits for a IPv6 address.
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Delete
Select this option to delete an existing IP route. 
IP Routes
The destination IP network or host address of this route. Valid format is Network
dotted decimal notationor a valid IPv6 notation. A default route can use
the value 0.0.0.0or IPv6 :: notation.
Mask Length
The destination IP network or host mask, in number of bits (prefix length).
Gateway The IP address of the IP gateway. Valid format is dotted decimal notation
or a valid IPv6 notation. Gateway and Network must be of the same type.