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The Mobile IP standard (IETF Standard-RFC 2002) within Cisco IOS Software provides the roaming architecture
that allows a Cisco 3200 Mobile Access Router to connect to its home network. Traditional mobile IP allows client
devicessuch as a laptopcomputerorpersonal digital assistant(PDA)tomaintain a singleIPaddressand roam among
multiple networks without losing their connection to the home network. Mobile IP is a network layer functionality,
eliminating the need to rewrite traditional applications.
The Cisco IOS Mobile Network feature allows mobile networks to scale, providing mobility management across the
network.CiscoIOS Mobile Network isanenhanced,standards-based implementation oftheMobileIPstandard that
transforms a Cisco 3200 Mobile Access Router from a mobile IP node into a mobile IP router. All client devices
connectedtothemobile access router can usetherouterIPaddressesfor mobility.Therouterandits subnets maintain
IP connectivity while the vehicle is in motion. Cisco IOS Mobile Network functionality makes connectivity
transparent to allhosts connectingthrough therouter, because client devices connected to the router requireno client
software. With Cisco IOS Mobile Network, mobility is scalable and easier to deploy and manage, and it requires
fewer IP addresses.
A key requirement in both military and public safety deployments is secure communications. Cisco IOS Software
includes a robust set of security features for identity management and confidentiality. Users authenticate themselves
toRADIUS-based identity management servers. Powerful,software-based encryption protectscommunications from
interception or spoofing. An integrated firewall provides stateful protection. Hardware encryption devices may also
be added externally through the available Ethernet ports on the MARC or FESMIC.
Comparison of Models
Features and Benefits
The Cisco 3200 Mobile AccessRouter offers three primary features andbenefits, which are detailed as follows (refer
also to Table 1):
• Seamless roaming IP availability, independent of location, movement, or infrastructure
• High performance in a compact, rugged design for use in vehicles or in remote field locations
• Advanced IP services and interoperability via Cisco IOS Software Mobile Networks
Cisco 3250 Mobile Access Router Cisco 3320 Mobile Access Router
• Targeted at Military and Command & Control
Environments in public safety
• Can provide higher density of Serial and/or Fast
Ethernet ports than the Cisco 3220 model
• Choices for configuration of Mobile Interface Cards
• Use of four ports on each SMIC or FESMIC
• Multiple SMICs supported
• Can be upgraded to future interface cards such as
future 802.11 card
• Options for Cisco IOS Software images
• Customers configure and order one or more SKUs for
MARC, SMIC, FESMIC, and Cisco IOS software
• Targeted at mass deployments in Commercial
Transportation and Public Safety markets
• Pre-configured model (MARC, 2 Port SMIC, 2 Port
FESMIC)
• Use of two ports on the single FESMIC or SMIC
• No additional FESMICs or SMICs can be added to the
model
• Can be upgraded to future interface cards such as
future 802.11 card
• Cisco IP PLUS image loaded by default (supports
3DES)
• Single SKU for customers to order
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