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Configuring multiple IP addresses for a WAN interface
You can assign multiple IP addresses to a single WAN interface that is configured to use frame
relay. Using this functionality, you can configure the Business Communications Manager as the
hub in a hub and spoke configuration. When Business Communications Manager is the hub or
central site, Business Communications Manager can provide at least two IP address classes on the
primary WAN interface. This allows the system to provide Direct Mode capability.
Note: Refer to
important information regarding additional IP addresses for the WAN
interface.
Examples of uses of multiple IP addresses
•
You can use a single WAN physical link to connect to both an intranet and the internet using
separate addressing schemes.
•
A network service provider can create a separate IP address for management functions over
the WAN interface.
In both of these examples, broadcast traffic destined for one IP address would not be transmitted
on the links associated with the other IP address.
Restrictions when using multiple IP addresses
•
Nortel Networks does not recommend using more than two IP address classes.
•
Multiple IP addresses supports RIP routing.
•
IPSec does not support the use of these multiple IP addresses for Branch Office Local
Endpoint Addresses, Remote Endpoint Addresses or the Destination IP Address for IPSec
VPN Clients
Adding an additional IP address
1
On the navigation tree, click the Resources key and click the WAN key.
2
Click the WAN1 or WAN2 heading.
The WAN Summary screen appears.
3
Click the Additional IP Address tab.
The Additional IP Address screen appears.
4
On the Configuration menu, click Add Additional IPAddress.
The Additional IP Address screen appears.
"Additional IP addresses are not blocked" on page 725
Configuring the WAN interfaces
Programming Operations Guide
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