Linksys LRT214 Router Manual PDF (Setup & Configuration Guide)

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DHCP

Linksys

RA Flags:

When Managed is checked, IP information can be

found on the

DHCPv6 server in LAN.

When Other is checked, IP and other information,

such as DNS server, can be got from DHCPv6

server in LAN.

You can check or uncheck both options.

Router Preference:

If two routers are accessible, the one with the

higher preference will be chosen by the host.

Choose High, Medium or Low.

MTU:

(Maximum

Transmission Unit)

Input MTU value. MTU is the largest packet size

can be sent.

Router Lifetime

Router advertisements expire after a period

determined by you. Devices on the network will

not try to access a router at an expired address.

IP & MAC Binding (for IPv4 Only)

IP & MAC Binding assigns IP addresses to specific devices. In this way, you can

also make sure that users can not add extra PCs for Internet access or change

private IP addresses.

NOTE:

Remember to click Save before leaving the page. You can also click

Cancel to leave without any change.

IP & MAC Binding

•

Set up IP & MAC Binding from IP & MAC Table

Click

Show unknown MAC addresses

button, an IP address and MAC table

will appear. Input a name for the device and check

Enable

box to bind the IP

and MAC addresses.

Click

to save the configuration or

to leave without saving. You can

also click

Refresh

to update the table.

- Set up IP & MAC Binding Manually

Page 32 / 77

DHCP

Linksys

Static IP Address:

Input a specified static IP address. You can also input

0.0.0.0 in the boxes. The router will assign a static IP

address to the device.

MAC Address:

Input the static real MAC (the address on the network

card) for the server or PC.

Name:

For distinguishing devices, input the name or address of

the client that is to be bound to the server.

Enabled:

Activate this configuration.

Add to list:

Add the configuration or modification to the list.

Delete:

Remove the selected binding from the list.

Add New:

Add new binding.

•

Block MAC address on the list with wrong IP address

Check the box to enable the function. The device listed with wrong IP address

will be blocked by the router.

•

Block MAC address not on the list

Click the box to enable. The device which is not listed on the list will be blocked

by the router.

You can configure your router to function as a DNS server for your intranet

devices. It provides much faster domain name matching service than using

external DNS servers. If the requested domain name is not found in the

database, the DNS sever for WAN ports still can provide matching service.

NOTE:

Remember to click

Save

to save your settings before leaving the page. You

can also click

Cancel

to leave without any change.

Host Name:

Input the domain name, i.e. abc.com.

IP Address:

Input the IP address of the domain.

Add to list:

Add the configuration or modification to the list.

Delete:

Remove the selected entry from the list.

Add New:

Add new entry.

NOTE:

When you enable DNS local database, you have to set the IP address of

the router as DNS server for your computer. It will be “Obtain DNS server

address automatically” by default.

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DHCP

Linksys

Page 34 / 77

System Management

Linksys

System Management

You can configure advanced setting in System Management category, please

refer to following items:

•

Dual WAN (LRT224 Only) / Network Service Detection

•

Bandwidth Management

•

Session Control

•

SNMP

•

SSL Certificate

Dual WAN (LRT224 Only) / Network

Service Detection

Dual WAN

You can choose

Link Failover

Load Balance

mode when you use the Dual

WAN setting° Go to

Configuration > System Management > Dual WAN

NOTE:

Remember to click Save before leaving the page° You can also click

Cancel to undo the changes°

Mode

You can configure two Internet connections by using the WAN and the WAN/DMZ port°

Two modes can be selected:

Link Failover:

Only the primary WAN port works in normal time; the

other WAN is a backup port°

If the primary WAN connection is unavailable, the backup

WAN connection will take over the traffic°

Load Balance:

Two WAN ports will work simultaneously° The router will

balance traffic between the two ports°

Network Service Detection

This is a detection system for network external services° If this option is selected,

information such

Retry

Retry Timeout

will be displayed° If two WANs are

used for external connection, be sure to activate the NSD system, so as to avoid

any unwanted break caused by the device misjudgment of the overload traffic

for the WAN°

Page 35 / 77

System Management

Linksys

Protocol Binding (Only Dual-WAN Mode supports this

function)

Users can define specific IP addresses or specific application service ports

to go through a user-assigned WAN for external connections° For any other

unassigned IP addresses and services, WAN load balancing will still be carried

out°

NOTE:

In the load balance mode of Assigned Routing, the first WAN (WAN1) cannot

be assigned° It is to be saved for the IP addresses and the application Service

Ports that are not assigned to WAN2 for external connections° In other words,

the first WAN (WAN1) cannot be configured with the Protocol Binding rule°

This is to avoid a condition where all WANs are assigned to specific Intranet IP

or Service Ports and destination IP, resulting in no more WAN ports available

for other IP addresses and Service Ports°

Enable Network

Service Detection:

Click to enable Network Service Detection°

Retry count:

Input

the

retry

times

for

network

service

detection° If there is no feedback from the Internet

in the configured retry times, the router will rule

“External Connection Disconnected°” The default

is five retry times°

Retry Timeout:

The default is 30 seconds° After the retry timeout,

external service detection will restart°

When Fail:

(1)

Prohibit WAN2 from handling traffic for WAN1

when WAN1 connection fails°

(2)

Allow WAN2 to accept traffic from WAN2

when WAN1 connection fails°

Detecting Feedback Servers

Default Gateway:

If you check the box, the router will ping the default

gateway of your ISP to check network connectivity°

ISP Host:

Router will attempt to ping the specified ISP

address to determine whether network service is

available°

Remote Host:

Router will attempt to ping the specified IP

address and determine whether network service

is available°

DNS Lookup Host:

Router will attempt to ping the specified host/

domain name to determine whether network

service is available°

If you check multiple boxes, the router will detect internet connectivity if a ping

to any of the IP addresses is successful° If the router can ping none of them, it

will declare that the internet connectivity associated with the given WAN port

is not available° This will trigger the router to redirect all traffic to the WAN port

that has internet connectivity according to NSD°

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