Zyxel P8701T Router Manual PDF (Setup & Configuration Guide)

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Chapter 5 LAN Setup

Basic Home Station VDSL2 P8701T User’s Guide

106

5.2.1

Add DHCP Static IP Lease Screen

Click

Add Entries

in the

LAN Setup

screen to display the following screen.

Enable IGMP Snooping

Enable IGMP snooping to have the VDSL Router passively learn memberships in

multicast groups.

Select

Standard Mode

to have the VDSL Router forward multicast packets to a port

that joins the multicast group and broadcast unknown multicast packets from the

WAN to all LAN ports.

Select

Blocking Mode

to have the VDSL Router block all unknown multicast

packets from the WAN.

Disable DHCP Server

Select this to have the VDSL Router not provide DHCP services. Users must

configure LAN devices with manual network settings if you do not have another

DHCP server on the network.

Enable DHCP Server

Select this to have the VDSL Router serve as the DHCP server for the network to

assign IP addresses and provide subnet mask, gateway, and DNS server information

to LAN devices.

Start IP Address

This field specifies the first of the contiguous addresses in the IP address pool.

End IP Address

This field specifies the last of the contiguous addresses in the IP address pool.

DHCP Server Lease

Time

Specify for how many hours to assign an IP address to a LAN device before making

it available for reassignment to other systems.

Static IP Lease List

Use this table to assign IP addresses on the LAN to specific computers based on

their MAC Addresses.

MAC Address

The MAC (Media Access Control) of a LAN device to which the entry’s IP address is

assigned.

IP Address

This field displays the IP address reserved for the LAN device with the entry’s MAC.

Remove

Select entries and click the

Remove Entries

button to delete them.

Add Entries

Click this button to create a new static IP lease entry.

Obtain DNS info from

WAN

Select this to have the VDSL Router get the Domain Name System (DNS) server

addresses from the VDSL Router’s WAN interface.

Use Static DNS IP

address

Select this to have the VDSL Router use the DNS server addresses you configure

manually.

First DNS Server,

Second DNS Server

Enter the first and second DNS (Domain Name System) server IP address the VDSL

Router passes to the DHCP clients.

Configure the second IP

Address and Subnet

Mask for LAN interface

Select the check box to use IP alias to configure another LAN network for the VDSL

Router.

IP alias partitions a physical network into different logical networks over the same

Ethernet interface. The VDSL Router supports multiple logical LAN interfaces via its

physical Ethernet interface with the VDSL Router itself as the gateway for the LAN

network. You can also configure firewall rules to control access to the LAN's logical

network (subnet).

IP Address

Enter the second LAN IP address of your VDSL Router in dotted decimal notation.

Subnet Mask

Type the subnet mask of your network in dotted decimal notation, for example

255.255.255.0 (factory default).

Apply/Save

Click this button to save your changes.

Table 28

LAN Setup (continued)

LABEL

DESCRIPTION

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Chapter 5 LAN Setup

Basic Home Station VDSL2 P8701T User’s Guide

107

Figure 34

Static DHCP: Add/Edit

The following table describes the labels in this screen.

5.3

The IPv6 LAN Auto Configuration Screen

Click

Wireless network > Classic configuration > Advanced Setup > LAN >IPv6

Autoconfig

to open the

IPv6 LAN Auto Configuration

screen. Use this screen to set the Local

Area Network interface IPv6 settings.

Table 29

Static DHCP: Add/Edit

LABEL

DESCRIPTION

MAC Address

Enter the MAC address of a computer on your LAN.

Every Ethernet device has a unique MAC (Media Access Control) address. The MAC

address is assigned at the factory and consists of six pairs of hexadecimal characters, for

example, 00:A0:C5:00:00:02.

IP Address

Enter the IP address that you want to assign to the computer on your LAN with the MAC

address that you will also specify.

Apply/Save

Click this button to save your changes and go back to the previous screen.

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Chapter 5 LAN Setup

Basic Home Station VDSL2 P8701T User’s Guide

108

Figure 35

IPv6 LAN Auto Configuration

The following table describes the fields in this screen.

Table 30

IPv6 LAN Auto Configuration

LABEL

DESCRIPTION

Interface Address

To use a static IPv6 address, enter the IPv6 address prefix and prefix length that the

VDSL Router uses for the LAN IPv6 address.

The IPv6 prefix length specifies how many most significant bits (starting from the

left) in the address compose the network address. This field displays the bit number

of the IPv6 subnet mask.

Enable DHCPv6 Server

Select this to have the VDSL Router act as a DHCPv6 server and pass IPv6

addresses, DNS server and domain name information to DHCPv6 clients.

Stateless

Select this to have the VDSL Router use IPv6 stateless autoconfiguration.

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Chapter 5 LAN Setup

Basic Home Station VDSL2 P8701T User’s Guide

109

Network Connections: My Network Places: Properties: Example

5.4

Technical Reference

This section provides some technical background information about the topics covered in this

chapter.

Stateful

Select this to have the VDSL Router use IPv6 stateful autoconfiguration.

Start interface ID

: specify the first IPv6 address in the pool of addresses that can

be assigned to DHCPv6 clients.

End interface ID

: specify the last IPv6 address in the pool of addresses that can

be assigned to DHCPv6 clients.

Leased Time (hour)

: Specify for how many hours to assign an IPv6 address to a

DHCPv6 client before making it available for reassignment to other systems.

Assign DNS servers

by DHCPv6

Select this to have the VDSL Router pass DNS server information to DHCPv6 clients.

Enable RADVD

Select this to have the VDSL Router send router advertisement messages to the

LAN hosts.

Router advertisement is a response to a router solicitation or a periodical multicast

advertisement from a router to advertise its presence and other parameters, such

as IPv6 prefix and DNS information. Router solicitation is a request from a host to

locate a router that can act as the default router and forward packets.

Note: The LAN hosts neither generate global IPv6 addresses nor communicate with

other networks if you disable this feature.

Enable ULA Prefix

Select this to send Unique Local IPv6 Unicast Addresses (ULA) advertisement

messages to the LAN hosts.

Randomly Generate

Select this to automatically create a LAN IPv6 address prefix.

Statically Configure

Select this to send a fixed LAN IPv6 address prefix.

Prefix

: enter the IPv6 prefix and length the VDSL Router uses to generate the LAN

IPv6 address. The prefix length specifies how many most significant bits (starting

from the left) in the address compose the network address. This field displays the

bit number of the IPv6 subnet mask.

Preferred Life Time (hour)

: enter the preferred lifetime for the prefix.

Valid Life Time (hour)

: enter the valid lifetime for the prefix.

Enable MLD Snooping

Select this to have the VDSL Router check Multicast Listener Discovery (MLD)

packets to learn the multicast group membership. This helps reduce multicast

traffic.

Standard Mode

Select this to have the VDSL Router forward multicast packets to a port that joins

the multicast group and broadcast unknown multicast packets from the WAN to all

LAN ports.

Blocking Mode

Select this to have the VDSL Router block all unknown multicast packets from the

WAN.

Save/Apply

Click this button to save your changes.

Table 30

IPv6 LAN Auto Configuration (continued)

LABEL

DESCRIPTION

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Chapter 5 LAN Setup

Basic Home Station VDSL2 P8701T User’s Guide

110

5.4.1

LANs, WANs and the VDSL Router

The actual physical connection determines whether the VDSL Router ports are LAN or WAN ports.

There are two separate IP networks, one inside the LAN network and the other outside the WAN

network as shown next.

Figure 36

LAN and WAN IP Addresses

5.4.2

DHCP Setup

DHCP (Dynamic Host Configuration Protocol, RFC 2131 and RFC 2132) allows individual clients to

obtain TCP/IP configuration at start-up from a server. You can configure the VDSL Router as a DHCP

server or disable it. When configured as a server, the VDSL Router provides the TCP/IP

configuration for the clients. If you turn DHCP service off, you must have another DHCP server on

your LAN, or else the computer must be manually configured.

IP Pool Setup

The VDSL Router is pre-configured with a pool of IP addresses for the DHCP clients (DHCP Pool).

See the product specifications in the appendices. Do not assign static IP addresses from the DHCP

pool to your LAN computers.

5.4.3

DNS Server Addresses

DNS (Domain Name System) maps a domain name to its corresponding IP address and vice versa.

The DNS server is extremely important because without it, you must know the IP address of a

computer before you can access it. The DNS server addresses you enter when you set up DHCP are

passed to the client machines along with the assigned IP address and subnet mask.

There are two ways that an ISP disseminates the DNS server addresses.

•

The ISP tells you the DNS server addresses, usually in the form of an information sheet, when

you sign up. If your ISP gives you DNS server addresses, enter them in the

DNS Server

fields in

the

DHCP Setup

screen.

WAN

LAN

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