HEIDENHAIN TNC 640 User Manual page 816

20
DHCP server: Settings for automatic network configuration
Setting
DHCP server
816
Meaning
IP addresses from: Define the IP address
as of which the control is to derive the
pool of dynamic IP addresses. The control
transfers the values that appear dimmed
from the static IP address of the defined
Ethernet interface; these values cannot be
edited.
IP addresses to: Define the IP address up
to which the control is to derive the pool of
dynamic IP addresses.
Lease Time (hours): Time within which
the dynamic IP address is to remain
reserved for a client. If a client logs on
within this time, the control reassigns the
same dynamic IP address.
Domain name: Here you can define a
name for the machine network if required.
This is necessary if thesame names are
assigned in the machine network and in
the external network, for example.
Forward DNS to external: If IP
Forwarding is active (Interfaces tab) and
the option is active, you can specify that
the name resolution for devices in the
machine network can also be used by the
external network.
Forward DNS from external: If IP
Forwarding is active (Interfaces tab) and
the option is active, you can specify that
the control is to forward DNS inquiries
from devices within the machine network
to the name server of the external
network if the DNS server of the MC
cannot answer the inquiry.
Status button: Call an overview of the
devices that are provided with a dynamic
IP address in the machine network. You
can also select settings for these devices.
Advanced options button: Additional
settings for the DNS/DHCP server.
Set stan- dard values button: Set factory
settings.
MOD Functions | Ethernet interface
HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017