ZyXEL Communications PMG5318-B20A, Руководство пользователя

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Chapter 4 WAN
PMG5318-B20A User’s Guide
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WAN service type Select which type of traffic (Data, VoIP, Management, and/or IPTV) can use this
WAN interface.
Enable WAN
Connection Limit Select Enable WAN Connection Limit to limit the number of connections for a
service type.
Connection Number If you select Enable WAN Connection Limit, you can specify the maximum number
of connections. For a low priority service type, you can set this number to a lower
value.
IGMP Proxy
Configuration
LAN IGMP version Select the IGMP version to be used for IGMP messages originating from the LAN.
WAN IGMP version Select the IGMP version to be used for IGMP messages originating from the WAN.
Query Interval Enter the time period in seconds between general queries. A general query is a
message sent to learn the multicast reception state of the device attached to the
interface.
Feature
Enable NAT Select this check box to activate NAT on this connection.
Enable ICMP Internet Control Message Protocol is a message control and error-reporting protocol
between a host server and a gateway to the Internet. ICMP uses Internet Protocol
(IP) datagrams, but the messages are processed by the TCP/IP software and directly
apparent to the application user.
Select this check box to reply to incoming WAN Ping requests. If this is not enabled,
the GPON Device will not respond to any incoming Ping requests.
Enable IP Conflict
Detection Select this to have the GPON Device detect if the IP address assigned to this WAN
interface conflicts with other WAN IP addresses.
IPv4 IP Address
Obtain an IP Address
Automatically A dynamic IP address is not fixed; the ISP assigns a different one each time you
connect to the Internet.
Select Obtain an IP Address Automatically to get a dynamic IPv4 address for this
WAN.
The following DHCP Option 60, 61, and 125 fields are available only when you select
IP in the WAN interface type field above.
Enable DHCP Option
60 Select this to identify the vendor and functionality of the GPON Device in DHCP
requests that the GPON Device sends to a DHCP server when getting a WAN IP
address.
Vendor Class
Identifier
Enter the Vendor Class Identifier (Option 60), such as the type of the hardware or
firmware.
Enable DHCP Option
61 Select this to identify the GPON Device in DHCP requests that the GPON Device sends
to a DHCP server when getting a WAN IP address.
Client Identifier If Hexadecimal is selected, you can enter the GPON Device’s hardware address, that
is the MAC address in this field using hexadecimal characters.
If String is selected, enter a string to identify the GPON Device using alphanumeric
characters.
Enable DHCP Option
125 Select this to add vendor specific information to DHCP requests that the GPON Device
sends to a DHCP server when getting a WAN IP address.
Static IP Address A static IP address is a fixed IP that the ISP provides.
Select Static IP Address and type the ISP assigned information in the field below.
IPv4 DNS Server
Table 6
Internet Access Setup - IP (continued)
LABEL DESCRIPTION