Tunnel Setup Autentication

[Eric Vyncke]

At 13:40 10/08/1999 -0700, S Ramakrishnan wrote:
>
>My question pertains to setup of layer 2 tunnels (especially L2TP tunnels). 
>I understand
>that after a tunnel has been setup,
>a user may dialin to a LAC and be authenticated 
>by the LAC and/or the LNS using RADIUS
>or other means and creation a new session
>on that tunnel.
>
>What about tunnel setup itself?

Both ends of the tunnel, LNS and LAC, are authenticated based
on the L2TP protocol (it uses a schema similar to CHAP). This
'password' for the LNS and LAC termination points could be
stored in a RADIUS server

-eric

>What kind of authentication
>is performed during tunnel setup?
>
>Any info greatly appreciated.
>
>Thanks !
>
>Rk
>
>
>
>---
>S Ramakrishnan
>"... from the sunny shores of California ..."
>rk_ at mailcity.com, (408) 616.3100
>
>
>
>
>Get your FREE Email at http://mailcity.lycos.com
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Eric Vyncke                        
Consulting Engineer                Cisco Systems EMEA
Phone:  +32-2-778.4677             Fax:    +32-2-778.4300
E-mail: evyncke at cisco.com          Mobile: +32-75-312.458

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