GW0017 User Manual
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Network Setting
Set a DHCP IP address or static IP address for a VLAN, and set
the IP address of the DNS server used by the VLAN.
Note
:
After the configurations are finished, you need to restart the device for the
configurations to take effect.
4.5.3
DHCP Option
When the GW0017 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 GW0017 (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 GW0017 on the DHCP server;
⚫
Option 66: to specify TFTP server which will assign software version to GW0017;
⚫
Option 120: to fetch SIP server address;
⚫
Option 121: to obtain classless static route. GW0017 will add these static routes to the
static route table after it fetches them from DHCP server.
Figure 4-8 Configure DHCP Option
Network Interface: choose which VLAN to send request to DHCP server (or to receive
information from DHCP server).