Avaya Business Secure Router 222 Configuration - Basics Bedienungsanleitung PDF herunterladen (Seite 116)

116 Chapter 7 WAN screens

NN47922-500

Table 22 describes the fields in this Figure 27.

Table 22 WAN: IP

Label Description

Get automatically

from ISP

Select this option if your ISP did not assign you a fixed IP address.

This is the default selection.

Use fixed IP

address

Select this option if your ISP assigned a fixed IP address.

IP Address Enter your WAN IP address in this field if you selected Use Fixed

IP Address.

IP Subnet Mask Enter the IP subnet mask (if your ISP gave you one) in this field if

you selected Use Fixed IP Address.

Gateway IP

Address

Enter the gateway IP address (if your ISP gave you one) in this field

if you selected Use Fixed IP Address.

Network Address

Translation

With Network Address Translation (NAT), the router translations an

Internet protocol address used within one network (for example, a

private IP address used in a local network) to a different IP address

known within another network (for example, a public IP address

used on the Internet).

Choose None to disable NAT.

Choose SUA Only if you have a single public IP address. SUA

(Single User Account) is a subset of NAT that supports two types of

mapping: Many-to-One and Server.

Choose Full Feature if you have multiple public IP addresses. Full

Feature mapping types include: One-to-One, Many-to-One (SUA/

PAT), Many-to-Many Overload, Many- One-to-One and Server.

After you select Full Feature, you must configure at least one

address-mapping set.

Metric (PPPoE and

PPTP only)

This field sets this route's priority among the routes the Business

Secure Router uses.

The metric represents the cost of transmission. A router determines

the best route for transmission by choosing a path with the lowest

cost. RIP routing uses hop count as the measurement of cost, with

a minimum of 1 for directly connected networks. The number must

be between 1 and 15; a number greater than 15 means the link is

down. The smaller the number, the lower the cost.

Private (PPPoE and

PPTP only)

This parameter determines if the Business Secure Router includes

the route to this remote node in its RIP broadcasts. If set to Yes, this

route is kept private and not included in RIP broadcast. If No, the

route to this remote node is propagated to other hosts through RIP

broadcasts.

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