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Release Notes for Cisco Multi-Processor WAN Application Module for Cisco IOS Release 12.2(9)ZA
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Introduction
Introduction
The Cisco Multi-Processor WAN Application Module (MWAM) is a Cisco IOS application module that 
you can install into the Catalyst 6500 series switch. The module allows you to run multiple instances of 
Cisco Mobile Wireless applications, such as the Cisco Packet Data Serving Node (PDSN), or the Cisco 
Mobile Wireless Home Agent (HA). Other applications will be added in future releases.
Each MWAM card contains three processor complexes (PCs), with two CPUs each, that are used to run 
IOS. Each CPU can be used to run an independent IOS image. The interfaces used by these IOS instances 
are gigabit ethernet 802.1Q trunk ports, which carry VLAN encapsulated traffic to and from the network 
through the Catalyst 6500 switch fabric. Each processor complex (housing two IOS instances) shares 
one gigabit ethernet interface. 
Currently, an MWAM card running either PDSN or HA can run up to five instances of IOS 
simultaneously. Each MWAM card is dedicated to run one function only, PDSN or HA. The Catalyst 
6500 chassis can house up to six MWAM cards. 
The implementation of the MWAM running the Cisco PDSN or Mobile Wireless Home Agent requires 
the following components:
Cisco Multi-Processor WAN Application Module
Cisco IOS Release 12.2(9)ZA on the Catalyst 6500 Series Supervisor 2/MSFC2
Cisco 6509 Catalyst Switch
A IPSec VPN Acceleration Services Module for IPSec services (required only for IPSec)
Cisco IOS Release 12.2(8)ZB that contains either the PDSN or Mobile Wireless Home Agent 
applications
Note
If you plan to deploy IPSec services, be aware that the IPSec VPN Acceleration Services Module 
requires 512-MB DRAM on the MSFC2
System Configuration Requirements 
The MWAM requires the following system configuration:
Cisco IOS 12.2(9)ZA Supervisor image be installed on the Supervisor Engine 2.
Refer to the Release Notes for Cisco IOS Release 12.2(9)ZA on the Catalyst 6500 Series and Cisco 
7600 Series Supervisor Engine and MSFC
 for specific information about the Supervisor Engine 2.
Refer to the Cisco Multi-Processor WAN Application Module Installation and Configuration Notes 
for specific information about configuring the MWAM.