Setup > one-to-one nat, One-to-one nat, Setup > mac clone – Cisco 4-Port SSL/IPSec VPN Router RVL200 User Manual

Page 24: Chapter 4, Advanced configuration

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Chapter 4

Advanced Configuration



4-Port SSL/IPSec VPN Router

UPnP Forwarding Table List

Click Refresh to update the on-screen information. Click

Close to exit this screen and return to the UPnP screen.
On the UPnP screen, click Save Settings to save your

changes, or click Cancel Changes to undo them.

Setup > One-to-One NAT

One-to-One NAT (Network Address Translation) creates

a relationship that maps valid external IP addresses to

internal IP addresses hidden by NAT. A device with an

internal IP address may be accessed at the corresponding

external valid IP address.
To create this relationship, define internal and external

IP address ranges of equal length. Once the relationship

is defined, the device with the first internal IP address is

accessible at the first IP address in the external IP address

range, and so forth.
For example, you have a Local Area Network (LAN) for which

the ISP has assigned the IP address range of 209.19.28.16

to 209.19.28.31, with 209.19.28.16 used as the Wide Area

Network (WAN) or NAT public IP address of the Router.

The address range of 192.168.168.1 to 192.168.168.255 is

used for the devices on the LAN. With One-to-One NAT,

the devices with the internal IP addresses of 192.168.168.2

to 192.168.168.15 may be accessed at the corresponding

external IP addresses.

NOTE:

The Router’s WAN IP address should not

be included in the range you specify.

Setup > One-to-One NAT

One-to-One NAT

One-to-One NAT

Select Enable to use the One-to-One

NAT function.

Private Range Begin

Enter the starting IP address of the

internal IP address range. This is the IP address of the first

device that

Public Range Begin

Enter the starting IP address of the

public IP address range. This IP address is provided by the

ISP. (Do not include the Router’s WAN IP Address.)

Range Length

Enter the number of IP addresses in the

range. The range length cannot exceed the number of

valid IP addresses. To map a single address, enter .
Click Add to List, and configure as many entries as you

would like, up to a maximum of 64. To delete an entry,

select it and click Delete selected range.

NOTE:

One-to-One NAT affects how the firewall

functions work. Access to LAN devices from the

Internet is allowed unless access rules are set.

Click Save Settings to save your changes, or click Cancel

Changes to undo them.

Setup > MAC Clone

Some ISPs require that you register a MAC address, which

is a 12-digit code assigned to a unique piece of hardware

for identification. The MAC Clone feature “clones” your

network adapter’s MAC address onto the Router, so you

don’t have to call your ISP to change the registered MAC

address to the Router’s MAC address.
For the WAN port, you can assign or clone a MAC address.

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