ZyXEL Communications EX3510-B1, Руководство пользователя

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Chapter 6 Broadband
EX3510-B1 User’s Guide
81
Obtain an IP
Address
Automatically A static IP address is a fixed IP that your ISP gives you. A dynamic IP address is not fixed; the ISP
assigns you a different one each time you connect to the Internet. Select this if you have a
dynamic IP address.
Static IP Address Select this option If the ISP assigned a fixed IP address.
IP Address Enter the static IP address provided by your ISP.
Subnet Mask Enter the subnet mask provided by your ISP.
This is available only when you set the Encapsulation to IPoE .
Gateway IP
Address Enter the gateway IP address provided by your ISP.
This is available only when you set the Encapsulation to IPoE .
DNS Server (This is available only when you select IPv4 Only or IPv4 IPv6 DualStack in the IPv4/IPv6 Mode field.)
Select Obtain DNS Info Automically if you want the Zyxel Device to use the DNS server addresses
assigned by your ISP.
Select Use Following Static DNS Address if you want the Zyxel Device to use the DNS server
addresses you configure manually.
Primary DNS
Server Enter the first DNS server address assigned by the ISP.
Secondary DNS
Server Enter the second DNS server address assigned by the ISP.
Routing Feature (This is available only when you select IPv4 Only or IPv4 IPv6 DualStack in the IPv4/IPv6 Mode field.)
NAT Click this switch to activate or deactivate NAT on this connection. When the switch goes to the
right
, the function is enabled. Otherwise, it is not.
IGMP Proxy Internet Group Multicast Protocol (IGMP) is a network-layer protocol used to establish
membership in a Multicast group - it is not used to carry user data.
Click this switch to have the Zyxel Device act as an IGMP proxy on this connection. When the
switch goes to the right
, the function is enabled. Otherwise, it is not.
This allows the Zyxel Device to get subscribing information and maintain a joined member list for
each multicast group. It can reduce multicast traffic significantly.
Apply as Default
Gateway Click this switch to have the Zyxel Device use the WAN interface of this connection as the system
default gateway. When the switch goes to the right
, the function is enabled. Otherwise, it is
not.
Fullcone NAT
Enable Click this switch to enable or disable full cone NAT on this connection. When the switch goes to
the right
, the function is enabled. Otherwise, it is not.
This field is available only when you activate NAT .
In full cone NAT, the Zyxel Device maps all outgoing packets from an internal IP address and port
to a single IP address and port on the external network. The Zyxel Device also maps packets
coming to that external IP address and port to the internal IP address and port.
DHCPC Options (This is available only when you set the Encapsulation to IPoE and select IPv4 Only or IPv4 IPv6
DualStack in the IPv4/IPv6 Mode field.)
Request Options Select Option 43 to have the Zyxel Device automatically add vendor specific information in the
DHCP packets to request the vendor specific options from the DHCP server.
Select Option 121 to have the Zyxel Device push static routes to clients.
Sent Options
option 60 Select this and enter the device identity you want the Zyxel Device to add in the DHCP discovery
packets that go to the DHCP server.
Vendor ID Enter the Vendor Class Identifier, such as the type of the hardware or firmware.
option 61 Select this and enter any string that identifies the device.
Table 17 Network Setting > Broadband > Add/Edit New WAN Interface (Routing Mode) (continued)
LABEL DESCRIPTION