Dhcp (Dynamic Host Configuration Protocol) Server - Panasonic KX-NS1000 Installation Manual

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8.1.2 DHCP (Dynamic Host Configuration Protocol) Server

To establish communication over a VoIP network, IP addresses must be assigned to IP telephones and the
PBX to identify their locations on the network. While these addresses can be assigned manually, it is also
possible to use a DHCP server to automatically assign IP address information. The KX-NS1000 has a DHCP
Server feature. Therefore, the PBX can act as a DHCP server or DHCP client depending on its settings. When
the PBX's DHCP Server feature is enabled, it allows you to centrally manage and automate the assignment
of IP addresses with Web Maintenance Console. For details, refer to "
Manual.
When the mother board is
connected to the network
1
Request IP address
information
Note
The DHCP Server feature is disabled by default. To enable the feature, refer to "5.4.2 Enabling the
DHCP Server Feature".
An IP telephone and the mother board/DSP cards cannot request IP addresses from a DHCP server
on another LAN (connected through an IP network). They can only receive IP addresses from a DHCP
server on the same LAN. Therefore, when IP telephones are located on several LANs, a DHCP server
is required on each LAN. If a DHCP server is not present on the LAN, IP addresses for IP telephones
and the mother board/DSP cards on that LAN must be assigned manually.
When the PBX has been set to act as a DHCP client, use an external DHCP server to assign IP address
information automatically.
When the KX-NS1000 is set as the DHCP client and cannot receive appropriate IP addressing
information from an external DHCP server, the PBX keeps using the previous effective IP addressing
information and checks whether any overlapping of IP addresses exists. If the IP address of the PBX
overlaps with another IP address, the PBX displays a warning to encourage changing the IP address
of the PBX.
The DHCP Server feature is available regardless of whether the built-in router feature is enabled. For
details, refer to "8.6.2 WAN Connection".
2
Assign IP address
information to the
DSP cards
8.1.2 DHCP (Dynamic Host Configuration Protocol) Server
DHCP Server" in the PC Programming
When an IP telephone is
PBX
connected to the network
(DHCP Server
feature enabled)
3
DSP Card
4
Assign IP address
information to an IP
telephone
Request IP address
information
IP Telephone
Installation Manual
309

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