Nera SatLink 1000, Руководство пользователя

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Nera SatLink Terminal User Guide – Revision P
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A.1.4 DHCP information
The status of the DHCP server can be seen by choosing the "Status" page, and then clicking the DHCP
button.
General information about the status of the DHCP server and the DHCP client table is shown:
•
Server status : DHCP server enabled or disabled
•
Server IP address : The IP address of the DHCP server. The DHCP server IP address is equal to the
LAN IP address of the RCST.
•
Server IP address range : The pool of IP addresses that the DHCP server can lease to the DHCP
clients. The DHCP server is automatically allocated all IP addresses in the RCST's LAN subnet
except for the RCST's own LAN IP address and possible IP addresses manually excluded for use by
the DHCP server.
•
Number of IP addresses excluded : Number of IP addresses that are not allocated from the server's IP
address range. These addresses are typically used for hosts on the RCST's LAN that required static IP
addresses.
•
Excluded IP address range : It is a subrange of the server IP address range, containing IP addresses
that should not be allocated by the DHCP server. This range is an interval; it is defined with the help
of the starting IP address and the ending IP address for the excluded range. The excluded range of IP
addresses will be the upper range of the LAN subnet. As an example, if the RCST LAN is allocated
the IP addresses 10.10.10.1 to 10.10.10.254, and 2 IP addresses are excluded for use by the DHCP
server, then the DHCP server will have the IP address range 10.10.10.1 to 10.10.10.252 available.
•
Leasetime : Time period for which an IP address is leased to a DHCP client.
•
The DCHP client table shows information about the IP addresses that are currently leased from the
DHCP server: host name, IP address, MAC address, and lease time expiration. Please note that until
the terminal has acquired lock on the forward link and received the system time from the DVB-RCS
Gateway, it will have no information of the current time. The DHCP server will therefore only lease
IP addresses to the LAN hosts for 15 minutes until the system time is set.