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Proxy Mobile IP—Proxy Mobile IP supports Mobile IP for wireless nodes without requiring 
specialized software for those devices. The wireless access point acts as a proxy on behalf of 
wireless clients that are not aware of the fact that they have roamed onto a different Layer 3 network. 
The access point handles the IRDP communications to the foreign agent and handles registrations 
to the...

  
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Viewing the GRE Configuration Details
To view the Generic Routing Encapsulation (GRE) configuration details for a foreign agent:
Step 1Right-click the required device in the Vision client and choose Inventory.
Step 2In the Logical Inventory window, choose Logical Inventory > Context> Mobile > FA> A service> 
GRE. The details are displayed in the content pane.
Table 27-83 displays the GRE...

  
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Viewing the HA Configuration Details
To view the HA configuration details for a foreign agent:
Step 1Right-click the required device in the Vision client and choose Inventory.
Step 2In the Logical Inventory window, choose Logical Inventory > Context> Mobile > FA> FA service> 
HA. The details are displayed in the content pane.
Table 27-84 displays the HA configuration details.
Table 27-83...

  
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Table 27-84 HA Configuration Details
Field Description
HA Monitoring The HA monitoring status of the FA. This option is disabled by default.
AAA-HA Override Indicates whether AAA HA can override Mobile Node during call 
establishment for HA assignment.
Dynamic HAFailover Indicates whether failover during call establishment for Home Agent 
assignment is allowed.
HA Monitor Interval The time...

  
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Viewing the Proxy Mobile IP Configuration Details
To view the Proxy Mobile IP configuration details for a foreign agent:
Step 1Right-click the required device in the Vision client and choose Inventory.
Step 2In the Logical Inventory window, choose Logical Inventory > Context> Mobile > FA> FA service> 
Proxy Mobile IP. The details are displayed in the content pane.
Table 27-85 displays the...

  
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Configuration Commands for Foreign Agent
To enable Mobile IP services on your network, you must determine which home agents will facilitate the 
tunneling for selected IP address, and where these devices or router will be allowed to roam. The areas, 
or subnets, into which the hosts are allowed to roam determine where foreign agent services need to be 
set up.
Use the following commands to...

  
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Monitoring Evolved Packet Data Gateway (ePDG)
In today’s market, there are multiple access networks for mobile technologies. For example, the 
following access networks are available for 3rd Generation Partnership Project (3GPP) network:
General Packet Radio Service (GPRS). See GPRS/UMTS Networks, page 27-1. Modify SPI
Delete SPIExpand FA node> Expand FA 
service node > HA 
Configuration >...

  
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Global System for Mobile communication (GSM)
Universal Mobile Telecommunication System (UMTS). See GPRS/UMTS Networks, page 27-1.
The following access network are available for Non-3GPP network:
Worldwide Interoperability for Microwave Access (WiMAX)
CDMA2000
Wireless local area network (WLAN) 
Fixed networks
The Non-3GPP networks can be categorized into two—Trusted and Untrusted. While the...

  
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RFC 2406, IP Encapsulating Security Payload (ESP)
RFC 2409, The Internet Key Exchange (IKE)
RFC-3193, Securing L2TP using IPSEC, November 2001
IPSec can be implemented for the following applications:
PDN Access: Subscriber IP traffic is routed over an IPSec tunnel from the system to a secure 
gateway on the packet data network (PDN) as determined by access control list (ACL) criteria....

  
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Figure 27-15 Crypto Template Details
Table 27-88 displays the Crypto template details.
Table 27-88 Crypto Template Details
Field Description
Template Name The unique name of the template.
Control Don’t Fragment The Don’t Fragment (DF) bit in the IPSec tunnel data packet, which is 
encapsulated in the IPSec headers at both ends. The values for this field are:
clear-bit—Clear DF Bit...