Panasonic 7 User Manual

Page 94

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94 Chapter 5 Configuring the system

A host can send only enough packets to a public interface to establish a tunnel

connection. If the tunnel is not established before a preset maximum
number-of-packets-allowed counter is reached, then the packets from that host are
discarded.

Public indicates that this interface is attached to a public data network like the

Internet. The Nortel VPN Router rejects nontunneled protocols and only accepts

tunneled protocols like IPsec, PPTP, L2TP, L2F, and diagnostic ping on a public
interface. A host can send only enough packets to a public interface to establish a
tunnel connection. If the tunnel is not established before a preset maximum

number-of-packets-allowed counter is reached, then the packets from that host are
discarded.

When the public interface is configured to act as a DHCP client, the DHCP client

needs to correspond to an external DHCP server to acquire the IP address, subnet
mask and default route parameters. You can set a cost value to give preferential

routing when two or more public DHCP clients are configured. In this situation,
DSL and cable modem are the preferred choice for connections to the internet.

Private indicates that an interface is attached to the private network and it can

accept nontunneled networking protocols such as TCP/IP, FTP, and HTTP. The

Private interface also accepts tunneled protocols (for example, IPsec, PPTP, L2TP,
L2F) that can be used for secure management access to the Nortel VPN Router.

Note: The private LAN interface and the management IP address should

be on the same network, and the public LAN interface should be on a

different network, both physically and logically.

If you have one network only and want to position the Nortel VPN

Router behind the firewall and router, then you should use a private LAN
interface only (do not use a public LAN interface).

* •

From the System > LAN window, you can:

Click Add Multinet to add IP addresses.

Click Configure to modify the interface characteristics.

Click Statistics to view the Link Statistics.

NN46110-500

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