User's Manual

Chapter 5 Broadband
ADSL Series User’s Guide
95
MTU The Maximum Transmission Unit (MTU) defines the size of the largest packet allowed
on an interface or connection. Enter the MTU in this field.
For IPoE, the MTU value is 1500.
IP Address This section is available only when you select Routing in the Mode field and IPoE in
the WAN Service Type field.
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.
Enable DHCP Option
60
Select this to identify the vendor and functionality of the ZyXEL Device in DHCP
requests that the ZyXEL 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.
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.
Gateway IP Address Enter the gateway IP address provided by your ISP.
Routing Feature
NAT Enable Select this option to activate NAT on this connection.
IGMP Proxy Enable 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.
Select this option to have the ZyXEL Device act as an IGMP proxy on this connection.
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
Select this option to have the ZyXEL Device use the WAN interface of this connection
as the system default gateway.
DNS Server This is available only when you select Apply as Default Gateway in the Routing
Feature field.
Obtain DNS info
Automatically
Select this to have the ZyXEL Device get the DNS server addresses from the ISP
automatically.
Use the following
Static DNS IP
Address
Select this to have the ZyXEL Device 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.
RIP
RIP Version RIP (Routing Information Protocol) allows a router to exchange routing information
with other routers. This field is not configurable if you select disable in the RIP
Operation field.
Select the RIP version from RIPv1, RIPv2 and RIPv1v2.
RIP Operation Use this field to control how much routing information the ZyXEL Device sends and
receives on the subnet.
Select the RIP operation from disable, passive and enable.
Apply Click Apply to save your changes.
Back Click Back to return to the previous screen.
Table 12 Broadband Add/Edit: Routing- IPoE (continued)
Label
DESCRIPTION