Avaya Configuring Routers and Protocols Manuel d'utilisateur télécharger pdf (Page 7)

Documentation Roadmap (308665-15.2 Rev 00) 7

Security

Depending on your security needs, you can configure your router with one or more of the

following security services and protocols.

• IPsec protects data while it travels over public networks.

• L2TP protects data by creating a virtual private network (VPN).

• RADIUS protects data by authorizing remote users before giving them access to a network.

Click on any of the following security services for a more detailed description:

Configuring IPsec Services

The IP Security (IPsec) standards were developed to ensure secure, private communications for the

remote access, extranet, and intranet virtual private networks (VPNs) used in enterprise

communications. This manual describes how to configure IPsec services on a Nortel Networks

router.

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Configuring L2TP Services

Layer 2 Tunneling Protocol (L2TP) provides remote users, such as telecommuters, mobile

professionals, and personnel in remote branch offices, with dial-in access to a corporate network.

L2TP enables users to create a virtual private network (VPN) over a public network, such as the

Internet, but offers the security and exclusivity of a private network. This manual describes how to

configure L2TP services on a Nortel Networks router.

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Configuring RADIUS

Remote Authentication Dial-In User Service (RADIUS) centralizes security and controls the

billing of services. RADIUS authentication identifies remote users before you give them access

to a central network site. RADIUS accounting collects data during a remote user’s dial-in session

so that you can determine billing charges. This manual describes how to configure RADIUS

services on a Nortel Networks router.

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IPsec L2TP RADIUS

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Avaya Configuring Routers and Protocols Manuel d'utilisateur Page 7