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Page 126 / 241 Scroll up to view Page 121 - 125
Vigor2130 Series User’s Guide
118
Current Tx: indicates whether pause frames on the port are
transmitted.
Maximum Frame
This module offers 1518~9600 (Bytes) length to make the long
packet for data transmission.
Excessive Collision Mode
There are two modes for you to choose when excessive
collision happened in half-duplex condition.
Discard
- It determines whether the MAC drops frames after an
excessive collision has occurred. If yes, a frame is dropped after
excessive collision. This is IEEE Standard 802.3 half-duplex
flow control operation.
Restart
- It determines whether the MAC retransmits frames
after an excessive collision has occurred. If set, a frame is not
dropped after excessive collisions, but the backoff sequence is
restarted. This is a violation of IEEE Standard 802.3, but is
useful in non-dropping half-duplex flow control operation.
Power Control
The
Configured column allows for changing the power savings
mode parameters per port.
Disabled
: All power savings mechanisms disabled.
ActiPHY
: Link down power savings enabled.
PerfectReach
: Link up power savings enabled.
Enabled
: Both link up and link down power savings enabled.
Refresh
Click this button to refresh the information for WAN port.
After finishing all the settings here, please click
OK
to activate them.
4.1.3 3G Backup
This page is used to setup 3G backup function. If you enable 3G backup, make sure your
WAN connection type is not in 3G mode. When the WAN connection is broken, router will
try to keep the connection with 3G mode. After WAN connection is recovered, router will
disconnect the 3G connection automatically.
Page 127 / 241
Vigor2130 Series User’s Guide
119
SIM PIN code
Type PIN code of the SIM card that will be used to access
Internet.
Modem Initial String1/2
Such value is used to initialize USB modem. Please use the
default value. If you have any question, please contact to your
ISP.
APN Name
APN means Access Point Name which is provided and
required by some ISPs.
Modem Dial String
Such value is used to dial through USB mode. Please use the
default value. If you have any question, please contact to your
ISP.
PPP Username
Type the PPP username (optional).
PPP Password
Type the PPP password (optional).
Clone MAC Address
It is available when the box of Enable is checked. Click
Clone
MAC Address
. The result will be displayed in the field of
MAC Address.
Page 128 / 241
Vigor2130 Series User’s Guide
120
4.2 LAN
Local Area Network (LAN) is a group of subnets regulated and ruled by router. The design of
network structure is related to what type of public IP addresses coming from your ISP.
Basics of LAN
The most generic function of Vigor router is NAT. It creates a private subnet of your own. As
mentioned previously, the router will talk to other public hosts on the Internet by using public
IP address and talking to local hosts by using its private IP address. What NAT does is to
translate the packets from public IP address to private IP address to forward the right packets
to the right host and vice versa. Besides, Vigor router has a built-in DHCP server that assigns
private IP address to each local host. See the following diagram for a briefly understanding.
In some special case, you may have a public IP subnet from your ISP such as
220.135.240.0/24. This means that you can set up a public subnet or call second subnet that
each host is equipped with a public IP address. As a part of the public subnet, the Vigor router
will serve for IP routing to help hosts in the public subnet to communicate with other public
hosts or servers outside. Therefore, the router should be set as the gateway for public hosts.
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Vigor2130 Series User’s Guide
121
What is Routing Information Protocol (RIP)
Vigor router will exchange routing information with neighboring routers using the RIP to
accomplish IP routing. This allows users to change the information of the router such as IP
address and the routers will automatically inform for each other.
What is Static Route
When you have several subnets in your LAN, sometimes a more effective and quicker way for
connection
is the
Static routes
function rather than other method. You may simply set rules to
forward data from one specified subnet to another specified subnet without the presence of
RIP.
What are Virtual LANs and Rate Control
You can group local hosts by physical ports and create up to 4 virtual LANs. To manage the
communication between different groups, please set up rules in Virtual LAN (VLAN) function
and the rate of each.
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Vigor2130 Series User’s Guide
122
4.2.1 General Setup
This page provides you the general settings for LAN.
Click
LAN
to open the LAN settings page and choose
General Setup
.
IP Address
Type in private IP address for connecting to a local private
network (Default: 192.168.1.1).
Subnet Mask
Type in an address code that determines the size of the network.
(Default: 255.255.255.0/ 24)
Enable DHCP
DHCP stands for Dynamic Host Configuration Protocol. The
router by factory default acts a DHCP server for your network
so it automatically dispatch related IP settings to any local user
configured as a DHCP client. It is highly recommended that you
leave the router enabled as a DHCP server if you do not have a
DHCP server for your network.
You can configure the router to serve as a DHCP server for the
2nd subnet. Check the box to enable DHCP server setting.
Start IP Address
Enter a value of the IP address pool for the DHCP server to start
with when issuing IP addresses. If the 2nd IP address of your
router is 220.135.240.1, the starting IP address must be
220.135.240.2 or greater, but smaller than 220.135.240.254.
IP Pool Counts
Enter the number of IP addresses in the pool. The maximum is
10. For example, if you type 3 and the 2nd IP address of your
router is 220.135.240.1, the range of IP address by the DHCP
server will be from 220.135.240.2 to 220.135.240.11.
Lease Time
It allows you to set the leased time for the specified PC.
Force DNS manual setting
Force router to use DNS servers in this page instead of DNS
servers given by the Internet Access server (PPPoE, PPTP,
L2TP or DHCP server).
Primary IP Address
You must specify a DNS server IP address here because your
ISP should provide you with usually more than one DNS Server.
If your ISP does not provide it, the router will automatically
apply default DNS Server IP address: 194.109.6.66 to this field.

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