Cisco Systems DL-2159-05 manual Settings on the Local SA Bindings

Chapter 6 Configuring Proxy Mobile IP

The Proxy Mobile IP Setup Page

Local SA Bindings

Selecting the Local SA Bindings link takes you to the Local SA Bindings page (Figure 6-8). You use this page to identify valid clients that are able to establish contact with a foreign agent in another network segment or network other than the client’s home network.

Figure 6-8 Local SA Bindings Page

Settings on the Local SA Bindings Page

IP Address Range - Start

This field contains the beginning IP address of the range in which client devices must reside in order to be valid.

IP Address Range - End

This field contains the ending IP address of the range in which the client devices must reside in order be valid.

Group SPI

This field specifies the security parameter index of the IP address range entered in the IP Address Range

-Start and End fields. The SPI is a 32-bit number (8 hexadecimal digits) assigned to the initiator of the security association request by the receiving IPSec endpoint. On receiving a packet, the destination address, protocol, and SPI are used to determine the security association. The security association allows the node to authenticate or decrypt the packet according to the security policy configured for that security association.

Group Key

This field contains an authentication key, similar to a WEP key, that the group specified in the security association uses to access a foreign agent. The group key is a 128-bit key entered as 32 hexadecimal digits (0-9, a-f, or A-F).

Cisco Aironet 1200 Series Access Point Software Configuration Guide

OL-2159-05 6-15