Micronet SP880B Router Manual PDF (Setup & Configuration Guide)

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(Usually, your ISP will provide some PPPoE software. This

software is no longer required, and should not be used.)

If this method is selected, you must complete the

PPPoE

dialup

fields.

•

PPTP Connection

– This is for

PPTP

users only.

1.

Enter the

Username

and

Password

provided by your ISP.

2.

If using PPTP, enable the

PPTP Connection

checkbox, and

enter the IP address of the PPTP server.

Note:

If using the PPTP connection method, select

Static IP

or

Dynamic IP

,

whichever is appropriate according to the IP address method used by

your ISP.

Address

Information

This is for

Static IP

users only. Enter the address information provided

by your ISP. If your ISP provided multiple IP addresses, you can use

the

Multi-DMZ

screen to assign the additional IP addresses.

DNS

(Optional for

dynamic IP)

If using a

Fixed IP

address, you MUST enter at least 1 DNS address.

If using

Dynamic IP

or

PPPoE

, DNS information is optional.

Optional

•

Host name

– This is required by some ISPs. If your ISP has

provided a Host Name, enter it here. Otherwise, you can use the

default value.

•

Domain name

– This is required by some ISPs. If your ISP has

provided a Domain Name, enter it here. Otherwise, you can use

the default value.

•

MAC address

– Some ISPs record your MAC address (also

called "Physical address" or "Network Adapter address"). If so,

you can enter the MAC address expected by your ISP in this field.

Otherwise, this should be left at the default value.

Setup of the Router is now completed. You must proceed to configure the PCs on your

LAN. See the following section for details.

3.2

LAN & DHCP

Select LAN & DHCP from the menu. You will see a screen like the example below.

These screens and settings are provided to deal with non-standard situations, or to

provide additional options for advanced users.

Existing DHCP Server

If your LAN already has a DHCP Server, and you wish to continue using it, the following

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17

configuration is required.

y

The DHCP Server function in the Router must be disabled.

y

Your DHCP Server must be configured to provide the Router's LAN IP address as the

"Default Gateway".

y

Your DHCP Server must provide correct DNS addresses to the PCs.

Figure: LAN & DHCP

Settings – LAN & DHCP

LAN IP

Configuration

•

IP address

–

This is the Router IP address to the local

LAN. Use the default value unless the address is already in

use or your LAN is using a different IP address range. In the

latter case, enter an unused IP Address from within the

range used by your LAN.

•

Subnet Mask

-

The default value 255.255.255.0 is

standard for small (class "C") networks. For other networks,

use the Subnet Mask for the LAN segment to which the

Router is attached (the same value as the PCs on that LAN

segment).

Optional

Configuration

y

DHCP Server Setup

- If

Enabled

, the Router will allocate

IP Addresses to PCs (DHCP clients) on your LAN when

they start up. The default and recommended value is

"Enabled". (Windows systems, by default, act as DHCP

clients. This setting is called

Obtain an IP address

automatically

.)

If you are already using a DHCP Server,

the DHCP Server setting must be

Disabled

, and the

existing DHCP server must be set to provide the IP address

of the Router as the

Default Gateway

.

y

LAN Any IP

–By default, it is disabled. If you enable “LAN

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Any IP”, it means no matter what static IP address the client

(your PC) has. It does not need to change the IP address,

even though it has a different IP segment than LAN

segment. It still can access Internet through NAT.

DHCP

Configuration

y

Lease Time

– It is a finite period of time for a DHCP server

lease an IP address to a client.

y

DNS Server IP for Client

– An IP address of the default

DNS server for the client requesting DHCP service.

y

Offered IP Range

fields set the values used by the DHCP

server when allocating IP Addresses to DHCP clients. This

range also determines the number of DHCP clients

supported.

View DHCP List

This table shows the IP addresses which have been allocated by

the DHCP Server. For each address which has been allocated,

the following related information is shown.

Free Entry

indicates how many DHCP entries are not currently

allocated, and still available.

•

Name

– The "hostname" of the PC. In some cases, this

may not be known.

•

MAC Address

– The physical address (network adapter

address) of the PC.

•

IP Address

– The IP address allocated to this PC.

•

Type

– Indicates IP address to be dynamic or static.

•

Status

– If

Dynamic

, the IP address was allocated by this

DHCP Server. If

Sniffed

, the IP address was detected by

examining the LAN, rather than allocated by the DHCP

Server. In this case, the

Name

is usually not known.

•

Time Left

– The leftover time after the IP address is leased.

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4. Advanced Port Setup

Overview

y

Port Options contains some options for the WAN port. For most situations, the default

values are satisfactory.

y

Advanced PPPoE setup is required if you wish to use multiple sessions on one or both

of the WAN ports. It can also be used to manually connect or disconnect a PPPoE

session. Otherwise, this screen can be ignored.

y

Advanced PPTP setup is required if using the PPTP connection method.

4.1

Port Options

Figure: Port Options

Settings – Port Options

Interface

•

WAN Ports

– To select the WAN port for option settings

•

MTU

– The largest amount of data that can be transferred

across a given physical network. Ethernet limits transfers to

1500

octets of data. Normally, you should leave this value at

its default value. Change it only if the ISP is providing a MTU.

Connection

Health Check

•

Method

–

±

ICMP:

The health checkup is performed by sending an

ICMP echo request

packet to the specific destination.

The specific destination ("Alive Indicator") could be either:

1. If the input box is filled (NAME or IP address): the host

is used.

2. If the input box is left blank: gateway of WAN interface

will be used. Then if one ICMP echo reply packet from

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Alive Indicator or gateway is received, the connection

is considered OK. If there is no response received after

4 tries, the connection is considered as failed.

±

HTTP:

The device gets TCP connection with the Alive

Indicator first. Then the device sends HTTP HEAD packet

to the Alive Indicator. If any HTTP DATA from the Alive

Indicator is received, the connection is considered OK. If

there are no responses received after 5 tries, the

connection is considered as failed.

±

Traffic:

If there is no traffic on the WAN port in the Interval

time, the connection is considered as failed

•

Interval

– The period to check if the WAN port is alive or not.

•

Alive Indicator

– This is used for the ICMP or HTTP Method

to determine if your Internet connection is active or not. (You

can enter either the IP address or host name

Transparent

Bridge

Option

•

Bridge Mode

– If Set to Enable, traffic from Lan hosts with

real IPs can go through the specific WAN port without NAT

translation. This device works like a bridge switch for that

specific WAN port.

•

NetBIOS Broadcast

– If enabled, NetBIOS Broadcast

packets are allowed to pass through the device.

•

ARP Table

– ARP Table is used by the device to determine

the bridge hosts location (eg. inside/outside WAN and which

WAN). Its size can be adjusted if needed.

4.2

Advanced PPPoE

In order to use multiple PPPoE sessions on the same WAN port, configuring the following

screen is required.

This can also be used to manually connect or disconnect a PPPoE session.

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