4 Configurations on Web Interface
DAG1000-1S/2S/4S User Manual
Copyright©2011-2017 Dinstar
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Note
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After the configurations are finished, you need to restart the device for the configurations
to take effect.
4.4.3
DHCP Option
When the DAG1000 device works as a DHCP client and applies for an IP address, DHCP
server will return packets which include an IP address as well as configuration information of
enabled option fields.
The following is the meaning of the option fields involved in DAG1000 (that means the
following option fields are enabled, DHCP server will return information of corresponding
option fields:
Option 15: to set a DNS suffix;
Option 42: to specify NTP server;
Option 60: to define VCI (vendor class identifier) of DAG1000 on the DHCP server;
Option 66: to specify TFTP server which will assign software version to DAG1000;
Option 120: to fetch SIP server address;
Option 121: to obtain classless static route. DAG1000 will add these static routes to the
static route table after it fetches them from DHCP server.
Figure 4-11 Configure DHCP Option
Network Interface: choose which VLAN to send request to DHCP server (or to receive
information from DHCP server).
4.4.4
QoS
The DAG1000 device can label QoS priority on the IP messages it sends out, so as to resolve
network delay or network congestion. Meanwhile, the device can give different QoS tags for
management-related packets of Web/Telnet, voice packets and signal packets.
