Planet IGS-5225 Series User Manual page 83

DNS Proxy
IP Interface Delete
•
VLAN
DHCPv4
IPv4
 Configured IPv6
 From any DHCPv4 interfaces
 From this DHCPv4 interface
 From any DHCPv6 interfaces
The first DNS server offered from a DHCPv6 lease to a
DHCPv6-enabled interface will be used.
 From this DHCPv6 interface
Specify from which DHCPv6-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.
Select this option to delete an existing IP interface.
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 a new interface.
Enabled Enable the DHCPv4 client by checking this box. If this option is enabled,
the system will configure the IPv4 address and mask of the interface
using the DHCPv4 protocol. The DHCPv4 client will announce the
configured System Name as hostname to provide DNS lookup.
The number of seconds for trying to obtain a DHCP lease. After this
Fallback
period expires, a configured IPv4 address will be used as IPv4 interface
address. A value of zero disables the fallback mechanism, such that
DHCP will keep retrying until a valid lease is obtained. Legal values are
0 to 4294967295 seconds.
Current For DHCP interfaces with an active lease, this column show the current
Lease
interface address, as provided by the DHCP server.
The IPv4 address of the interface in dotted decimal notation.
Address
If DHCP is enabled, this field configures the fallback address. The field
may be left blank if IPv4 operation on the interface is not desired - or no
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User's Manual of IGS-5225 series
reachable (e.g. via PING) for activating DNS service.
Explicitly provide the valid IPv6 unicast (except
linklocal) address of the DNS Server.
Make sure the configured DNS server could be
reachable (e.g. via PING6) for activating DNS service.
The first DNS server offered from a DHCPv4 lease to
a DHCPv4-enabled interface will be used.
Specify from which DHCPv4-enabled interface a
provided DNS server should be preferred.