Cisco Cisco IOS Software Release 12.3(4)T
SSG L2TP Dial-Out
Restrictions for SSG L2TP Dial-Out
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Cisco IOS Releases 12.2(16)B and 12.3(4)T
Restrictions for SSG L2TP Dial-Out
SSG L2TP Dial-Out does not support the following functionality:
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Layer 2 Tunneling Protocol (L2TP) dial-out as a primary service for PPP users
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Challenge Handshake Authentication Protocol (CHAP) authentication for dial-out tunnel services
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A single user connecting to two overlapping services
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Dial-out tunnels support for protocols other than L2TP protocols
Information About SSG L2TP Dial-Out
To configure the SSG L2TP Dial-Out feature, you should understand the following concepts:
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Overview of SSG
Service Selection Gateway (SSG) is a switching solution for service providers who offer intranet,
extranet, and Internet connections to subscribers using broadband access technology such as xDSL,
cable modems, or wireless to allow simultaneous access to network services.
extranet, and Internet connections to subscribers using broadband access technology such as xDSL,
cable modems, or wireless to allow simultaneous access to network services.
For more information about SSG, see the
.
SSG L2TP Dial-Out
The SSG L2TP Dial-Out feature provides mobile users with a way to securely connect to their SOHOs
through the PSTN.
through the PSTN.
To provide SSG L2TP Dial-Out, SSG requires a digital number identification service (DNIS) number for
the SOHO to which the user wants to connect, the address of the L2TP Access Concentrator (LAC)
closest to the SOHO, and configured tunnel parameters to establish a tunnel to the LAC.
the SOHO to which the user wants to connect, the address of the L2TP Access Concentrator (LAC)
closest to the SOHO, and configured tunnel parameters to establish a tunnel to the LAC.