Prerequisites - Cisco 2800 Series Manual

Prerequisites

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Prerequisites
The following sections provide information important to understand this configuration example. Read
these sections before you continue with the configuration example:
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Requirements
There are no specific requirements for this document.
Components Used
The information in this document is based on these software and hardware versions:
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The information presented in this document was created from the devices in a specific lab environment.
All of the devices used in this document started with a cleared (default) configuration. If your network
is live, make sure that you understand the potential impact of any command.
Related Products
This configuration can also be used with the following hardware and software:
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OL-6573-01
2
One branch uses a Cisco 2800 series router and employs a serial interface, while another branch with
a Cisco 2800 Series router uses a Symmetrical High-Speed Digital Subscriber Line (SHDSL)
interface.
The various show commands demonstrate configurations for the Internet Security Association Key
Management Protocol (ISAKMP) and IP Security (IPSec) security associations (SA) on the
concentrator, as well as status on the clients.
Conventions
Requirements
Related Products
Components Used
At Headquarters, a Cisco 3845 router with a Cisco CallManager cluster, with ATM access to the
Internet
At Branch 1, a Cisco 2801 router with a WIC-SHDSL-V2 interface card installed, and with DSL
access to the Internet
At Branch 2, a Cisco 2811 router with a serial interface connection to the Internet
Cisco IOS Release 12.3(11)T or later releases
Advanced Enterprise Services feature set
Cisco 2800 series routers
Cisco 3800 series routers
For Cisco 2800 series routers, Cisco IOS Release 12.3(8)T4 or later releases. For Cisco 3800 series
routers, Cisco IOS Release 12.3(11)T and later releases.
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