Avaya Configuring Integrated IP Security Manuel d'utilisateur télécharger pdf (Page 19)

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Chapter 1

Overview

IP Security (IPsec) is the Bay Networks implementation of the Internet

Engineering Task Force (IETF) set of standards for security services for

communications over public networks. These standards were developed to ensure

secure, private communications for the remote access, extranet, and intranet

virtual private networks (VPNs) use in enterprise communications.

The Bay Networks implementation of the IETF standard provides network

(layer 3) security services for wide area network (WAN) communications on Bay

Networks routers.

How IPsec Works

IPsec services are bundled as an Internet Protocol (IP) encryption packet. In this

way, any IPsec packet can be delivered over the Internet like an ordinary IP packet

to branch offices, corporate partners, or other remote organizations. Unlike an

ordinary data packet, the IPsec packet is encrypted. Data traveling across the

Internet between IPsec-configured router interfaces can be secure, encrypted,

and private.

To configure a router with IPsec, you first configure the router interface as an

IP interface. Then you add the IPsec software to the IP interface, creating a

security gateway.

Network Considerations

To install the IP Security (IPsec) software, the router must be running BayRS

Version 13.10 and Site Manager Version 7.10.

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Avaya Configuring Integrated IP Security Manuel d'utilisateur Page 19