QX50/QX200/QX2000; (SW Version 6.0.x) 132
QX50/QX200/QX2000 Manual II: Administrator’s Guide
DHCP Settings for the VLAN Interface
DHCP Settings for the VLAN Interface is used to establish virtual networks in the QX IP PBX’s LAN or to integrate the QX IP PBX into the corporate
network’s virtual LAN/WAN. DHCP service can be activated both on LAN or WAN interfaces. VLAN is useful in corporate companies to divide large
networks into groups and to have devices like QX IP PBX s and IP phones in each network separated (for example, to separate networks for data and voice
transmission). Priorities may be assigned to the interfaces for packets prioritization.
With VLAN configuration, each virtual network will be characterized with a VLAN ID (tag). Packets addressed to that network will be checked towards the
ID and if the ID number defined in the incoming packets matched the corresponding network’s ID, the packets will be accepted. Otherwise, if the ID does
not match, the packets will be dropped. In the same way, if the QX IP PBX is integrated into the network that uses VLAN technology, outgoing packets
should have the ID number of the corresponding virtual network, for the remote party to accept the packets from the QX IP PBX.
DHCP Settings for the VLAN Interface
page contains a table
with all enabled VLAN interfaces created in VLAN Settings page
(see below) and the corresponding parameters (VLAN ID, IP
Address Range and WINS Server). This page contains the following
components:
Enable DHCP Server checkbox activates the DHCP server on QX
IP PBX for VLAN. With this checkbox enabled, QX IP PBX will be
able to assign dynamic IP addresses to the devices in its VLAN.
Activate functional button is used to activate DHCP service on one
of the VLAN interfaces in the list. Only one VLAN interface can
have DHCP service activated.
Edit functional button opens a page where the corresponding
VLAN interface can be configured and controlled. This page
contains all the same components as the
DHCP Server page does.
VLAN Settings link moves to the VLAN Configuration page where
virtual LAN/WAN interfaces may be created.
Fig.II- 211: DHCP Settings page for VLAN interface
DNS Settings
DNS Settings
page provides the option of setting up a name
server for the QX IP PBX. It offers the following components:
The Nameserver Assignment radio buttons are as follows:
• The Dynamically by provider selection automatically
configures the assignment of the name server address from
the provider party.
• Fixed Nameserver address is a manually selected name
server. The Nameserver text field requires the IP address
of an external name server. The Alternative Nameserver
text field requires the IP address of the secondary name
server. The Alternative Nameserver is used if the main
name server cannot be accessed.
Fig.II- 212: DNS Settings page
DNS Server Settings
The DNS Server on the QX IP PBX provides the services to the hosts in the QX IP PBX’s LAN. With this service, QX IP PBX returns the correct IP address to
the requested domain name, so that any device in the LAN can be accessed by its hostname or alternative alias name.
The DNS Server Settings page is used to configure DNS server settings on the QX IP PBX and to define a list of aliases for the devices in the QX IP PBX’s
LAN. This page contains the following components:
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